ALIGNMENT POINTS OF VARIOUS RADIOS

Model: Cobra 18 Ultra (Newer weather model made in Taiwan)
VR101=RX "S" Meter Adjust VR30I= TX Meter Adjust VR501=Modulation AMC Adjust
VR102=Receive IF Gain Adjust VR102= Squelch Range Adjust
Receive Adjust=1,101, L102, L103. L104, L105
Transmit Adjust=L301, 1,302, L303, L304, L306, L305
The 18 Ultra has two VR102 adjustments. The Squelch VR102 is located in the front left corner of radio board.
Model: Cobra 19PLUS (Plastic Case)
RV1=Receive Meter RV3=Squelch RV4= Modulation AMC
RV2=Transmit Meter
Model: Cobra 19GTL
VR3=Squelch Adj. VR5=Transmit Meter VR6=Modulation AMC
VR4=Receive Meter
Model: 21LTD Classic (Newer model made in China. NOT Uniden Chassis)
VR1=TX Meter adjust VR3=Squelch Range Adjust TC1=10.240 Xtal Adjust
VR2=RX "S" Meter Adjust VR4=Modulation AMC Adjust
Receive Adjust=L1, 1,2, L3, L4, L5
Transmit Adjust= L12, 1,11, L10, L8
Model: Cobra 25LTD CLASSIC
VR1=Squelch Adj. VR4=Squelch VC1=10.240 Xtal Adj.
VR3=Transmit Meter VR5=Mod. Meter Adj.
Model: Cobra 25LTD WX Classic (Newer model made in China.  Not Uniden Chassis.)
VRl=RX "S" Meter Adjust VR3=TX Meter Adjust VR5=Modulation AMC Adjust
VR2=Receive "IF" Gain Adjust VR4=Squelch Range Adjust VC1=10.210 Xtal Adjust
Receive Adjust=L1, L2, L3, L4, L5, L6, L7
Transmit Adjust=L18, L14, L10
Model: 25PLUS
VR1=Receive LED Level VR2=Squelch Adjust VR3=Transmit Led Level
Receive Adjust=L2,L3,L4,L5,L6,L7
Transmit Adjust=L18,L17,L16,L15
Model: Cobra 29LTD CLASSIC
VR2=Receive Meter VR4=Modulation AMC VR6=AWI
VR3=Squelch VR5=Transmit Meter.
Model:  Cobra 29 LTD WX Classic (Newer model made in China.  Not Uniden Chassis.)
VR1=Receive "IF" Gain Adjust VR3=Squelch Range Adjust VR5=TX Meter Adjust
VR2=RX "S" Meter Adjust VR4=Modulation AMC Adjust VR6=Ant. Warning Indicator Adjust
Receive Adjust=L1, L2, L3, L4, L5, L6, L7, L8, L9
Transmit Adjust=L20, L21, L17, L14, L13, L12
Model: Cobra 31 PLUS
VR1=Receive Meter VR4=SWR Mtr Cal. VR7=Modulation (AMC)
VR2=Receive Level Adj. VR5=Squelch
VR3=Transmit Meter VR6=Modulation Meter
Model: Cobra 33 PLUS
VR1=Squelch VR3=Receive Meter VR4=Modulation (AMC)
VR2=Transmit Meter
Model: Cobra 40X
RV101= Squelch Adjust RV201=Modulation AMC (Or remove C215)
RV 102=Receive Meter RV202=Transmit Meter
Receive Adjust=L101,L102,L103,L104,L105,L106,L108
Transmit Adjust=L301,L302,L303,L304,L305,L306
Model: Cobra 78X
VR3=Squelch VR5=Transmit Meter VR7=Receive IF GAIN
VR4=Receive Meter VR6=Modulation AMC
Model: Cobra 86XLR
R4= Transmit Meter R37=Squelch R73=Power Supply13.8V
R17= Receive Meter
Model: Cobra 140GTL, 142GTL, President P-400, Uniden Washington
VR1-"S" Meter VR5-Carrier Balance VR9-Final Bias (45 ma TP7)
VR2-Squelch VR6-AM Power VR10-TX PWR Meter
VR3-TX Frequency VR7-SSB Power (ALC) VR12-Modulation Meter
VR4-N/A VR8-Driver Bias(35 ma TP8)

Model: Cobra I48GTL-DX (Early Production Model)
VR1-Squelch VR5-Modulation (AMC) VR11-AM Power
VR2-CW Squelch VR6-Transmit Frequency VR12-CW Sidetone Level
VR3-Fin Deviation VR7-SSB Power (ALC)
VR4-Carrier Balance VR8-Transmit Meter
Model: Cobra 148GTL-DX (Late Prod. Model), Superstar 360FM
       (PBO10 Chassis Board)
VR1-AM/FM "S" Meter VR5-FM Deviation VR12-SSB Transmit Power
VR2-SSB/CW Meter VR6-TX Frequency VR13-AM Transmit Power
VR3-SSB/CW Squelch VR7-Carrier Bal. VR14-AM Modulation
VR4-AM/FM Squelch VR8-TX Meter VR15-CW Audio Volume
Models: Cobra 148GTL-DX (Fake), Colt 1600DX & 2000DX, Colt 2400,
	Falcon 2000, HyGain 8795(V), Lafayette 1800, 2400,
	Midland 7001 (Export), Mongoose 2000, Nato 2000,
	Pacific 160, Palomar 2400, 5000, StaRFire DX,
	Superstar 2000, Superstar 2200, Thunder 2000,
	Tristar 777, Tristar 797, Tristar 848.
RV1-FM Deviation RV5-Carrier Balance RV9-SSB "S" Meter
RV2-Final Bias RV6-SSB Mic Gain RV10-Squelch Range
RV3-SSB TX Power RV7-SSB AGC RV11-AM Transmit Power
RV4-RF Transmit Meter RV8-AM "S" Meter RV12-AM Modulation
Model: Cobra 2000GTL
VR1-AM Signal Meter VR5-TX Frequency VR9-Driver Bias (25 ma.)
VR2-SSB Signal Meter VR6-TX Meter VR10-AM Power
VR3-Squelch VR7-Modulation Meter VR11-SSB Power (ALC)
VR4-Carrier Balance VR8-Final Bias (50 ma.) VR12-Modulation
Model: Cobra HH-70
RVI=RX "S" Meter Adjust RV3=Squelch Range Adjust RV4=Modulation AMC Adjust
RV2=TX Meter Adjust
Receive Adjust=L1, L2, L3
Transmit Adjust=L5, L6, L801
Model: Colt 357
RV1=Receive LED Level RV2=Squelch Adjust RV3=Modulation AMC
Receive Adjust=HT101,HT102,HT103,HT104,HT105
Transmit Adjust=LX18,LX19,LX20
Model: Colt 359
RV1-Squelch' RV3-AMC Adjust T2-27Mhz Rx Sens. Adjust
RV2-RX Meter TC1-Synth Xtal Adjust T3-455Khz Rx Sens. Adj
T1-27Mhz Rx Sens. Adjust T4-455KhzRxSens.Adj
(Located in left hand front of radio next to C40)

Model: Colt 444, Superstar 95, Tristar 727
VR1-TX Meter VR11-Hi PWR Modulation VR14-Mid RF PWR
VR2-Squelch VR12-Mid PWR Modulation VR15-Low RF PWR
VR3-Rx Meter VR13-Low PWR Modulation
Model: Colt 480, Colt 1000
and all Cybernet US and Canadian SSB, PTBM048A0X, PTBM058COX
RV1(1)=Antenna Warning Ind. AWI RV4=Carrier Balance #1 RV8=SSB Receive Gain AGC
RV1(2)= Final Bias Adjust RV5=Carrier Balance #2 RV9=AM Squelch Range Adjust
RV2=SSB Power ALC RV6=AM Receive Meter RV10=SSB Squelch Range Adjust
RV3=Transmit Meter RV7=SSB Receive Meter RV11=SSB Modulation
RV12=AM Modulation AMC
1. RV1 located on the power supply board RV501= SWR Pre-Cal Adjust
2. RV1 located on the main board.
VR4=AM Transmit Power (Large white pot mounted to the radio's side case.)
AM Receive Adjust=T7, T8, T9, T10, T13, T14, T15
SSB Receive Adjust=T12 (Adjust after aligning AM receive)
Transmit Adjust=T4, T5, T11, T6, L7,L11, L13 (Adjust in SSB mode only for proper alignment.)

Model: Commtron CXX
RV101- Squelch RV201-AM Modulation RV501-FM Deviation
RV103- Rx "S" Meter RV202- Transmit Rf Meter
Model: Connex 3300
VR1=Receive Meter VR8=Transmit Meter VR14=Hi Power Modulation AMC
VR4=Squelch Range Adjust VR12=Lo Power Modulation AMC VR16=AM Lo power Adjust
VR5=FM Deviation VR13=AM Hi Power Adjust
Receive Adjust=L3, L4, L5, L7, L8, L10, 1,11, L12
Transmit Adjust=L40, L42, L43, L44, L33
Model: Courier Centurion PLL40
RT1=RF Gain Range Adjust RT8=SSB Carrier Balance RT15=Transmit RF Meter Adjust
RT2=AM AGC Adjust RT9=SSB ALC (Modulation) Adjust RT19=TX Frequency Adjust
RT4=AM Receive "S" Meter RT11=SSB Squelch Range Adjust RT20=Final Bias (35mA)
RT6=SSB Receive "S" Meter RT12=AM Squelch Range Adjust RT21=SSB Rx Sensitivity
CT3=SSB RF ALC (Power) Adjust RT14=AM Power Adjust RT22=Driver Bias (20 mA)
Receive Adjust SSB=L3,L4,L5,L6,L7,L28,L29,FT1 (Adjust Receive In SSB Mode for Maximum performance)
Transmit Adjust SSB=L15,L19,L24,L26 (Adjust Transmit In SSB Mode for Maximum performance)
Model: Craig L101
R128=RX "S" Meter Adjust R319=Tx Meter Adjust R226=Modulation AMC adjust
R501=Dim Adjust (Minimum) R117=Squelch Range Adjust
Receive Adjust=T107, T10G, T105. T104, T103, T102, T101
Transmit Adjust=T301, L302, L303, L302, L305
Model: Craig L102
R308=TX Meter Adjust R376=RX "S" Meter Adjust R501=SWR Meter
R348=Modulation AMC Adjust R415=Squelch Range Adjust
Receive Adjust=T305, T304,T302, T301, T307, L302, L301, R306, R313
Transmit Adjust= L306, L307, L308, ,L309, L311, L313, L314, L315, L316
Model: Craig L103
VRI=Squelch Range Adjust VR2=RX "S" Meter Adjust VR3=TX Meter Adjust
Receive Adjust=L1, L2,L3, L4, L6, L7, L8
Transmit Adjust=L10, L12, L13, L16
Model: Craig L104
VR1=RX "S" Meter Adjust VR3=TX Meter Adjust VR5=Modulation AMC adjust
VR2=RX IF GAIN Adjust VR4=Squelch Range Adjust
Receive Adjust=L1, L2, L3, L4, L6, L7
Transmit Adjust=L18, L17, L14, L10
Model: Craig L131
R10G=TX Meter Adjust R307= RF GAIN Range Adjust R401= SSB Carrier Balance (1)
8130= ALC SSB Power R309= RX AGC Adjust R414= SSB Carrier Balance (2)
R229= AM RX "S" Meter Adjust R315= Squelch Range Adjust R605= Modulation AMC Adjust
R240= SSB RX "S" Meter Adjust
Receive Adjust=T206, T205, T204, T203, T202, T201, T301, T302, T303
Transmit Adjust=T103, T102, T101, l111, L109, L106
Model: Craig L231
R106= Transmit Meter R309= Receive AGC R605=Modulation AMC
R130= SSB Power ALC R315= Squelch Adjust R711=Channel Display
R229= Am Receive Meter R401= Carrier Balance#1
R240= SSB Receive Meter R414= Carrier Balance#2
Receive Adjust=T201,T202,T203,T204,T205,T206,T301,T302,T303
Transmit Adjust=T103,T102,T101,L111,L109,L106
Model: Dirland 77-099
RV3=Squelch Range Adjust CT1=10.240 Xtal Adjust
Receive Adjust=L1, L3, L4, L5, L2
Transmit Adjust=L7, L8, L9, L11. L12
Model: Dirland SS-3900 & SS-3900B
VR1=AM/FM "S" Meter VR7=Carrier Balance VR13=AM Power Adjust
VR2=SSB/CW "S" Meter VR8=RF Transmit Meter VR14=AM Modulation AMC
VR3=SSB Squelch Range VR10=Final TX Bias Adjust(1) VR16=CW Tone Level
VR4=AM Squelch Range VR11=Driver TX Bias Adjust VR20=Final TX Bias(2)
VR5=FM Deviation VR12=ALC SSB Power VR21=Transmit Frequency Adjust
Receive Adjust=L1, L2, L3, L4, L5, L6, L7, L8
Transmit Adjust=L44, L43, L42, L40, L33
Model: Emperor TS-5010 
VR1O1=Squelch (Lange Adjust VR106=FM Deviation VR111=AM Power Adjust
VR1O2=RX "S" Meter Adjust VR107=Modulation Meter Adjust VR112=Final Bias Adjust ((6OmA)
VR103=SSB PEP ALC VRIO8=Transmit Frequency Adjust VR113=Driver Bias (6OmA )
VR104=CW Power Adjust VR109=Transmit Meter Adjust VR115=SideTone Adjust
VR105=SSB Carrier Balance Adjust VR110=AM Modulation AMC Adjust
Receive Adjust=L101, L102. L103, L104, L106
Transmit Adjust=Variable Power Adjust Only. Cans are factory Set.
Model: Excalibur SSB (EPT3600IOZ Chassis Board)
VR1-AM "S" Meter VR5-FM Deviation VR12-SSB Transmit Power
VR2-SSB "S" Meter VR7-Carrier Balance VR13-AM Transmit Power
VR3-SSB Squelch VR8-RF Transmit Meter VR14-AM Modulation
VR4-AM Squelch VR16-CW Tone Level
VR802- Low SSB Power VR803- Low AM Power
Models: Excalibur SSB (PTBM121D4X Chassis Board ), Tristar 747,
	Colt 320FM, Colt 320DX, Colt 1200DX, Concorde II,
	Cobra GTL 150, HyGain 2795 & 2795DX,
	Intek 1200FM, Lafayette HB-870AFS.
RV1-FM Deviation RV6-Carrier Balance RV1-SSB Squelch
RV2-Final Bias RV7-AM "S" Meter RV12-SSB Mic. Gain
RV3-RF Transmit Meter RV8-SSB "S" Meter RV13-AM Transmit Power
RV4-SSB TX Power RV9-AGC RV14-AM Modulation
RV5-Carrier Balance RV 10- AM Squelch
Model: Fanon Fanfare 190 DF
VR101=NB Circuit Adjust VR103=Transmit Meter Adjust VR302=Squelch Range Adjust
VR102=Receive Meter Adjust VR301=Mike Gain Adjust
Receive Adjust=L101, L102, L103, L105, L106, L108, L109, L110
Transmit Adjust=L112, L113, L114, L115, L116, L118, L119, L120
Model: FORMAC 88
RV1=Squelch Adjust RV4=Transmit Meter RV501=Fm Deviation
RV2=Modulation AMC RV3=Receive Meter CT1=10.240 Adj.
CT12=20.705 Adj.
1. Located on Main Board
2. Located on Oscillator Board
Model: FORMAC 240 (Unit Has two VR3's)
VR1= Transmit Meter VR4=Mid Power Modulation VR7=Low Power Level
VR3'=Fm Deviation VR5=Hi Power Modulation VR8=Squelch Adjust
VR3=Low Power Modulation VR6=Mid Power Level VR9=Receive Meter
'=VR3 located next to R145
Model: Formac 700
VR1-TX Meter VR5-Hi PWR Modulation VR8-Squelch
VR3-Lo PWR Modulation VR6-Lo PWR Output VR9-Rx Meter
VR4-Mid PWR Modulation VR7-Mid PWR Output
Model: Fullcomm 2330
VR151=Receive Meter VR181=Squelch Adjust VR491=Transmit Meter
VR152=Receive RF Gain VR481=Modulation AMC
Receive Adjust=L111,L112,L121,L122,L131,L141,L151
Transmit Adjust=L431,L432,L433,L441,L451,L463,L464
Models: All GALAXY Radios With EPT360014B Board:
VR1=AM "S" Meter VR7=Carrier Balance VR13=AM High Power Adjust
VR2=SSB/CW "S" Meter VR8=RF Transmit Meter VR14=AM Modulation AMC Adjust
VR3=SSB Squelch Range VR10=FinaI TX Bias Adjust(1) VR1G=AM Lo Power Adjust
VR4=ANT Squelch Range VR11=Driver TX Bias Adjust VR20=Final TX Bias (2)
VR5=FM Deviation VR12=ALC SSB Power VR21=Transmit Frequency Adjust
Receive Adjust=L1, L2, L3, L4, L5, L6, L7, L8
Transmit Adjust=L44, L43, L42, L40, L33
Model: Galaxy Mars 
VR1-Rx "S" Meter VR3-Transmit Meter VR5-FM Deviation
VR2-Squelch VR4-Low Power Level

Model: Galaxy Saturn w/EPT36001 OA Board
VR1-AM/FM "S" Meter VR7-Carrier Balance VR13-AM Power
VR2-SSB/CW "S" Meter VR8-RF Power Meter VR14-Modulation
VR3-SSB Squelch VR10-Final Bias VR16-CW Tone Level
VR4-AM Squelch VR11-Driver Bias VR20-Final Bias
VR5-FM Deviation VR12-SSB Power(ALC) VR803-AM Low TX Power

Model: Galaxy Saturn w/EPT36001 1B Board
VR1-AM/FM "S" Meter VR7-Carrier Balance VR13-AM Power
VR2-SSB/CW "S" Meter VR8-RF Power Meter VR14-Modulation
VR3-SSB Squelch VR10-Final Bias VR16-CW Tone Level
VR4-AM Squelch VR11-Driver Bias VR20-Final Bias
VR5-FM Deviation VR12-SSB Power(ALC) VR2l-Transmit Freq.
VR803-AM Low TX Power
Model: Gemtronics GTX-3323
VR151=Receive Meter VR181=Squelch Adjust VR491=Transmit Meter
VR152=Receive RF Gain VR481= Modulation AMC
Receive Adjust=L111,L112,L121,L122,L131,L141,L151
Transmit Adjust=L43 1,L432,L433,L44 1,L45 1,L463,L464
Model: GE 3-5806
RV1=Receive L.E.D. Meter VR3=Squelch Adjust VR4=Modulation AMC
RV2=Transmit L.E.D. Meter
Receive Adjust=L1,L2,L3,L4,L5
Transmit Adjust=L6,L7,L8,L9,L11,L12
Model: GE 3-5809B & GE 3-5809C
RV4=Modulation Adj. RV3=Squelch CT1=10.240 Xtal Adj.
Model: GE 3-5813
RV1=Squelch Adjust RV3=Receive Meter RV501=Ant. Warning AWI
RV2=Modulation AMC RV4=Transmit Meter
Model: GE 3-5816A
RV1=Transmit Meter RV3=Squelch Adjust RV4=Modulation AMC
RV2=Receive Meter
Model: GE 3-5826A
RV2=SSB Power ALC RV4=Transmit Meter RV7=AM Power
RV3=Receive Meter RV6=Modulation AMC
Model: GE 3-5819A
RV1=Squelch Adjust RV3=Receive Meter RV501=SWR Meter Adjust
RV2=Modulation AMC RV4=Transmit Meter RV502=Ant. Warning AWI
CT1=10.240 Xtal Adjust
Receive Adjust=T5,T6,L14,T7,T8,T9,T10
Transmit Adjust=L5.T3,T4,1,7.L11,L12
Model: GE 3-5819B
RV1=Squelch Adjust RV3=Receive Meter RV501=SWR Meter Adjust
RV2=Modulation AMC RV4  Transmit Meter RV502=Ant. Warning AWI
CT1=10.240 Xtal Adjust
Receive Adjust T3,T4,T5,T6,T7,T8,T9,T11
Transmit Adjust=L3,L5,T4,L9,L10

Model: HAM International Concorde III, Jumbo III, Multimode III
RV1-FM Deviation RV5-Carrier Balance RV9-SSB Mic. Gain
RV2-Final Bias RV6-SSB AGC RV10-Squelch Range
RV3-SSB TX Power RV7-SSB "S" Meter RV11-AM Transmit Power
RV4-RF Transmit Meter RV8-AM "S" Meter RV12-AM Modulation
Model: JC Penney 981-6218 
RV1=Squelch Adj. RV3=Receive Meter RV501=SWR Cal Adj.
RV2=Modulation AMC RV4=Transmit Meter CT1=0.240 Xtal Adj.
Model: JC Penney 981-6221
RT1=Receive Meter RT101=Receive RF Mixer Gain RT102=Squelch Adjust
RT2=Transmit Meter
Receive Adjust=T101,T102,T201,T202
Transmit Adjust=T701,T702,T703,T704,T705 (Modulation Cut D502)
Model: Kraco KCB-1401
VR2=Transmit Meter VR5=Squelch Adjust VR8=Receive RF Gain
VR3=Receive Meter VR7=Modulation AMC
Transmit Adjust=L11,L10,L9
Model: Lafayette SSB 140
RVIA=Final Bias Adjust RV6=AM RX "S" Meter Adjust RV11=SSB Mike Gain Adjust
RV2=SSB TX ALC (Power) Adjust RV7=SSB RX "S" Meter Adjust RV12=AM Modulation AMC Adjust
RV3=TX Meter Adjust RV8=Receive AGC Adjust RV501=SWR Meter Calibrate
RV4=Carrier Balance (1) RV9=AM Squelch Range Adjust RV511=Ant. Warning Ind. Adjust
RV5=Carrier Balance (2) RV10=SSB Squelch Range Adjust RV521= Modulation Meter Calibrate
VR4=AM Power Adjust (big potentiometer mounted to chassis or side of radio)
Receive Adjust=T14, T15, T13, TO, T9, T8, T7, T12, Til
Transmit Adjust=T4, T5, TG, L7, L11, L13 (Adjust these coils for Maximum power on USB)
Model: Lake 600 and Arthur Fulmer 15-4040
VR1=Squelch Adjust VR3=Receive Meter PT25=10.240 Xtal Adjust
VR2=Modulation AMC VR4=Transmit Meter
Receive Adjust=RX7,RX6,RX5,RX4,RX3,RX2,RX1
Transmit Adjust=PLL5,PLL6,TX1,LC202,LC203,LC204
Model: Maxon MCB-25 & MCB-30
RV1=Squelch Range Adjust RV2=Modulation AMC CT1=10.240 Xtal Adjust
Receive Adjust=L903, L902, L901
Transmit Adjust=L701, L702, L802, RFC705, RFC709
Model: Midland 63-445 (AM/FM Radio with CB)
VR1=Receive AGC Adjust VR3=Squelch Range Adjust VR5=Modulation AMC adjust
VR2=TX Meter Adjust VR4=RX "S" Meter Adjust
Receive Adjust=LIOG, L105, L104, L103, L102, L1Ol
Transmit Adjust=L114, L113, L112, L109
Model: Midland 76-860
VC1=Ant Warning #1 VR3=Receive Meter VR10=Squelch Adj.
VR1=Ant Warning #2 VR6=Modulation AMC VC101=PLL RF Level
VR2=Transmit Meter VR7=AGC (Rx Gain) C102=10.240 Adj
Model: MIDLAND 77-092
VR3=Squelch Adjust TC1=10.240 Adjust
Transmit Adjust=L3,L6,L7,L8
Model: Midland 77-094
CT1=10.240 Xtal Adj. RV2=Squelch RV2=Modulation
Note: This Unit Has two RV2 the one for the squelch is located at lower left hand corner.
Model: Midland 77-101C
RV101=Squelch Adj. RV201=Modulation AMC RV202=Transmit Meter
RV103=Receive Meter
Model: Midland 77-102 (102M)
RV101=Squelch Adj. RV201=Modulation AMC RV202=Transmit Meter
RV 102=Receive Meter
Model: Midland 77-104
RV3=Squelch CT1=10.240 Xtal Adj.
RV1=Receive Meter RV2=Transmit Meter RV4=Modulation AMC
Model: Midland 77-106
RV3=Squelch CT1=10.240 Xtal Adj.
RV1=Receive Meter RV2=Transmit Meter RV4=Modulation AMC
Model: Midland 77-116
RV1=Receive Meter TC1=10.240 Xtal Adj. RV201=Modulation
RV2=Modulation AMC RV202=Transmit Meter
Model: Midland 77-160
VR201=Receive LED Lights VR203=Transmit LED Lights VR204=Modulation AMC
VR202=Squelch Adjust
Receive Adjust=T101,T103, T104, T105, T106
Transmit Adjust=L301, L302, L303, L304, L305, L306

Model: Midland 77-200 (200M)
VR2=RX "S" Meter Adjust VR4=Modulation AMC adjust VR7=AWI
VR3=Squelch Range Adjust VR6=TX Meter Adjust
Receive Adjust=Ll, L2, L3, L4, L6, L7
Transmit Adjust=L8, L9, L10, L11, L14
Model: Midland 77-202B
RV101=Squelch Adj. RV201=Modulation Adj. RV202=Transmit Meter
RV102=Receive Meter
Model: Midland 77-808
RV1=Squelch Adjust RV3=Receive Meter RV4=Transmit Meter
RV2=Modulation AMC
Transmit Adjust=L9,L8,L4
Model: Midland 77-824B
VR1=Rx IF Gain VR3=Receive Meter VR5=Modulation AMC
VR2=Squelch Adjust VR4=Transmit Meter
Model: Midland 77-824C
RV 101=Squelch Adj. RV201=Modulation AMC RV301=Ant. Warning
RV 103=Receive Meter RV202=Transmit Meter
Receive Adjust=L101,L102,L103,L104,L105,L106,L107
Transmit Adjust=L301,L302,L303,L304,L305,L306
Model: Midland 78-574
RV1=Carrier Balance#1 RV6=SSB AGC RV201=SSB Transmit ALC
RV2=Carrier Balance#2 RV7=AM Squelch Adj. RV202=Transmit Meter
RV3=SSB Mike Gain RV8=SSB Squelch Adj. RV206=TX Final Bias*
RV4=SSB Receive Meter RV9=AM Modulation AMC CT201=10.240 Xtal Adj.
RV5=AM Receive Meter RV10=RF Gain Range VR1=AM Transmit Power
Note: Adjust RV206 for .70 Volts on the base of Q208
AM Receive Adjust=T1, T2, T204, T205, T206, T207, T208
SSB Receive Adjust=T4, T3
Transmit Adjust=T204, T205, T3, T209, L209, L212, L214 (Adjust in USB Mode)
Model: Midland 78-999
RV1=Carrier Balance#1 RV6=SSB AGC RV11=Modulation Meter
RV2=Carrier Balance#2 RV7=AM Squelch Adj. RV201=SSB Transmit ALC
RV3=SSB Mike Gain RV8=SSB Squelch Adj. RV202=Transmit Meter
RV4=SSB Receive Meter RV9=AM Modulation AMC RV205=SWR Meter Cal.
RV5=AM Receive Meter RV10=RF Gain Range RV206=TX Final Bias*
VR2=AM Transmit Power
Note: Adjust RV206 for .70 Volts on the base of Q208.
Model: Midland 2001 (Export Model)
RV101=Squelch Adjust RV201=Modulation AMC RV202=Transmit Meter
RV103=Receive Meter
Receive Adjust=L101,L102,L103,L104,L105,L106,L107
Transmit Adjust=L301,L302,L303,L304,L305,L306

Model: Midland 3001 (77-003)
RV 101=Squelch Adj. RV201=Modulation AMC RV202=Transmit Meter
RV 103=Receive Meter
Model: Midland Model 5001
RV1=Squelch VR3=Receive Meter RV501=AWI
RV2=AMC L2=Transmit Meter RV502=SWR Cal Adj.
Model: Midland 7001 (79-007)
RVI=Final Bias Adjust RV5=Squelch Range Adjust RV9=AM Modulation AMC Adjust
RV2=TX Meter Adjust RV6=Carrier Balance (1) RV10=SSB TX ALC (Power) Adjust
RV3=RX "S" Meter Adjust RV7=Carrier Balance (2) RV501=Ant. Warning Ind. Adjust
RV4=Receive AGC Adjust RV8=SSB Modulation Adjust VR1=AM Power Adjust
Receive Adjust=T8, T9, T10, Tl1(10.3965 Level Adj.), T12
Transmit Adjust=TI, T2, T3, T11(10.3965 Level Adj.), T4, T5, T6, T7, L10, L14, L16 (Adjust these coils for Maximum Power On USB)
Model: Palomar SSB-5000
VRl=Receive Meter VR5=AM Receive Gain VR12=Transmit Meter
VR2=RF Gain VR7=Modulation AMC VR15=Driver Bias 40mA
VR3=Squelch VR8=AM Transmit Power VR16=Final Bias 15mA
VR4=Carrier Balance CT7=SSB ALC VR408=AM Mike Gain
 
Model: Pace 8016
R107=Meter Zero Adjust R114=Squelch Adjust
R108=Receive Meter R169=Modulation AMC
Receive Adjust=L113,L111,L108,L102,L101
Transmit Adjust=L115,L114,X112,L109,L106
Model: Pace 8155
R202=Transmit Freq Adjust R310=Modulation AMC R544=Receive Meter
R203=10.240 Xtal Adjust R425=Transmit Meter R549=Squelch Adjust
Receive Adjust=T509,T508,T507,T506,T505,T504,T502,T503
Transmit Adjust=L401,T401,T402,T403,L404,L407,L408,C432
Model: Pace 8193
VR2=Receive Meter VR9=Transmit Meter CT1 =10.240 Adjust
VR3=Squelch Meter VR11= SSB Power ALC CT2 =10.2385 Adjust
VR7=Modulation AMC VR14=Final Bias(8OMa) CT3 =10.2415 Adjust
CT6=SWR Calibration
Receive Adjust=T1,T2,T3,T4
Transmit Adjust=T8,T9,L4,L3,L2,L12
Model: PARADYNAMICS PDC-19
VRI=Receive "S" Meter VR4=Transmit "S" Meter VR6=Modulation Adjust
VR3=Squelch Adjust

Model: PARADYNAMICS PDC-25
VRI=Receive "S" Meter VR4=Transmit "S" Meter VR6=Modulation Adjust
VR3=Squelch Adjust

Model: PARADYNAMICS PDC-29
VR103=Modulation Adjust VR 182=Transmit "S" Meter VR202=Squelch Adjust
VR 151=Receive "S" Meter
Model: Pearce-Simpson Tiger 40A
RV101=Squelch Adj. RV103=Receive Meter CT101=11.806 Xtal Adj.
RV102=Modulation AMC RV104=Transmit Meter
Models: PRESIDENT -- See Uniden
Model: Pyramid CB-22
RV1=Squelch RV3=Transmit Meter RV4=Modulation AMC
RV2=Receive Meter
Model: Pyramid CB-24
RV1=Receive Meter RV2=Squelch RV3=Modulation AMC
Model: Pyramid CB-25
RV1=Transmit Meter RV3=Modulation AMC RV4=Receive Meter
RV2=Squelch
Model: Pyramid CB-28
RV1=Receive Meter RV3=Squelch RV301=Modulation AMC
RV2=Transmit Meter CT1=10.240 Xtal Adj.
Model: Ranger ST-1000 / HCA818
RV-2=RX "S" Meter Adjust RV-3=Squelch Range Adjust CT1=10.240 Xtal Adjust
Receive Adjust=T1, T2, T3, T4, T5
Transmit Adjust=T7, T8, T9, L4
Model: RANGER RCI-2950
VR1-AM "S" Meter VR7-Carrier Balance VR14-AM Modulation
VR2-SSB "S" Meter. VR8-RF Power Meter VR15-AM Lo Transmit PWR
VR3-SSB Squelch VR12-SSB TX Power VR21-FM Deviation
VR4-AM Squelch VR13-AM HI Transmit Power
Model: RCA 14T305
RV1=Squelch Adjust RV3=Receive Meter RV501=SWR Meter Adjust
RV2=Modulation AMC RV4=Transmit Meter CT1=10.240 Xtal Adjust
Receive Adjust=T5,T6,L14,T7,T8,T9,T10
Transmit Adjust=L5,T3,T4,L7,L11,L12
Model: Realistic TRC-413
VR2=Squelch Adjust VR5=Receive Meter Lights VR6=Transmit Lights
Receive Adjust=T1,T2,T3,T4,T5,T6,T7
Transmit Adjust=T10,T11,T12,L3,L6
Model: Realistic TRC-415
RV2= Transmit RV4=Modulation (AMC) CT1=10.240 Adj.
RV3= Squelch
Model: Realistic TRC-422
VR1=Receive IF Gain VR5=Receive Meter CT1=10.240 Xtal Adj.
VR2=Squelch Range VR6=Transmit Meter
Model: Realistic TRC-426
VR1=Receive Gain VR7=IF Gain CT801=10.240 Xtal Adj.
VR3=Receive Meter VR8=Modulation AMC
VR5=Squelch Adj. VR11=Transmit Meter
Model: Realistic TRC-427
VR1=IF Rx Gain VR3=Receive Meter VR5=Modulation AMC
VR2=Squelch VR4=Transmit Meter VC1=10.240 Xtal Adj.
Model: REALISTIC TRC-437
RV I=Squelch Adjust C312=10.240 Adjust

Model: Realistic TRC-431
VR1=Receive AGC VR5=Transmit Meter CT801=11.5966 Adj.
VR3=Squelch Adj. VR7=Modulation AMC
VR4=Receive Meter VR8=Volt. Reg.
Model: Realistic TRC-440
VR1=Receive IF Gain VR6=Receive Meter CT2=10.695 Xtal Adj.
VR4=Squelch CT1=10.240 Xtal Adj.
Model: Realistic TRC-451
VR1=Receive Meter VR5=Modulation AMC VR8=Final Bias Adjust
VR2=Squelch Adjust VR6=SSB Power ALC VR9=Driver Bias Adjust
VR3=Transmit Freq. Adjust VR7=Transmit Meter VR10= AM Transmit Power
VR4=Carrier Balance
Transmit Adjust=L40,L39,L38,L37,L27
Model: Realistic TRC-454
VR102=RF AGC VR501= Receive Meter VR504=Transmit Meter
VR301=IF Gain Range VR502= Squelch VR505=SWR Mtr Calibrate
VR702=Modulation AMC
Model: Realistic TRC-456 (40 CH. Telephone Handset Model)
VR1=RF Gain Range VR5=Squelch Range VR9=Reverse AGC
VR2=Forward AGC Adjust VR6=Transmit "S" Meter CT801=36.570 Adjust
VR3=Receive "S" Meter VR8=Modulation AMC (Q102 Source)
Receive Adjust=T301,T302,T303,T304,L101,L102,L501,L502
Transmit Adjust=L901,L903,L905

Model: Realistic TRC-473
VR1=Receiver Meter VR3=Transmit Meter VR4=Modulation AMC
VR2=Squelch
Receive Adjust=L1,L2,L3,L4,L5
Transmit Adjust=L12,L11,L8
Model: Realistic TRC-477
RV1=Squelch RV2=Modulation AMC C512=10.240 Adj.
Model: Realistic TRC-479
VR3=Squelch TC1=10.240 Adj.
Model: Realistic TRC-482
RV201=Receive Meter RV203= Squelch Adj. C625=FM Xtal Adjust
RV202=Transmit Meter C528=10.240 Adj.
Model: Realistic TRC-492
VR1=Transmit Meter VR3=Squelch Adjust TC 1=10.240 Xtal Adjust
VR2=Receive Meter VR4=Power Supply Adjust Ll l=54 MHz Adjust TVI
Receive Adjust=T1,T2,T3,T4,T5,T6
Transmit Adjust=T9,T10,T11,L2,L3
Model: Royce 607
VR101=Receive RF AGC VR109=Audio Power Adjust VR302=AWI Adjust #2
VR102=Squelch Adjust VR201=Modulation AMC VR501=Transmit Freq. Adj
VR103=Receive Meter VR301=Transmit Meter CT301=Transmit Power Adjust
CT302=AWI Adjust #1
Receive Adjust=T101,T102,T103
Transmit Adjust=T503,T504,T301,T302,L303,L304,CT301
Model: Royce 613
VR1=Ant. Warning AWI VR101=Receive Gain AGC VR110=Alert Tone Level
VCI=Carrier Null Adjust VR102=Squelch Range Adjust VR202=Modulation AMC
VC2=SWR CAL Adjust VRI04=Receive Meter VR301=Transmit Power Meter
Receive Adjust=T101, T102, T601
Transmit Adjust=T301, T302, CT301, CT302
Model: SBE LCM-8 (Land Command)
RV I=Squelch Adjust RV3=Receive Meter CT1=10.240 Xtal Adjust
RV2=Modulation AMC RV4=Transmit Meter
Receive Adjust=T16,T15,T14,T13,T12,T11,T10,T9
Transmit Adjust=T8,L7,L11,L12
Model: Sears 934.38080700
RT1=Rx Mixer Gain RT2=Receive Meter RT301= Transmit Meter
Model: Sears 934.38110700
RT1=Receive Meter RT2=Transmit RF Meter RT101=Rx Sensitivity
Receive Adjust=T101,T102,T103,T104,T105,T2012,T202
Transmit Adjust=T305, T306, T307, T701,T702,T703,T704,T705
Model: Sears 934.38310700
RT101=AMIF Gain RT203=Carrier Balance RT451= SWR Alert Adj.
RT102=AM Squelch Adj. RT301=AM TX Power RT452= SWR CalAdj.
RT103=SSB Squelch Adj. RT401=Transmit Meter CT202= 11.275 Adj.
RT104=AM Receive Meter RT402=SSB ALC (Power) CT203= 11.272 Adj.
RT105=SSB Receive Meter RT403=RF Driver Bias CT701= 36.960 Adj.
RT202=SSB IF Gain RT404=Final Bias CT702= 36.975 Adj.
Model: SHARK W-705
R132=Squelch Adjust R227=Transmit Meter C211=10.240 Xtal Adjust
R153=Receive Meter

Model: SOUND CREATION SCB-5OOX
SVR101=Squelch Adjust

Model: Superstar 121
VR1-Rx "S" Meter VR8-Transmit RF Meter VR14- Modulation (Hi Power)
VR4-Squelch VR12-Modulation (Low Power) VR16- TX Power (Low)
VR5-FM Deviation VR13-TX Power (High)
Receive Adjust=L1, L2, L3, L4, L5, L6, L7, L8
Transmit Adjust=L44, L43, L42, L33
Model: SUPERSTAR 505F
RV1=Receive Meter LED RV5=Modulation AMC TC1=10.240 Freq. Adjust
RV2=Transmit Meter LED RV6=Fm Deviation TC2=10.695 Freq. Adjust
RV3=Squelch Range Adjust
Receive Adjust=T1,T2,T3,T4,T5,T6
Transmit Adjust=L4,L3,L2,L1

Model: Superstar 1700 B, 1700 S, Palomar 1200 (Export)
VR1-TX Meter VR10-FM Deviation VR13-Low PWR Modulation
VR2-Squelch VR11-Hi PWR Modulation VR14-Mid RF PWR
VR3-Rx Meter VR12-Mid PWR Modulation VR15-Low RF PWR
Model: Superstar GR
VR1=AM Receive Meter VR4=AM Squelch VR12=SSB ALC
VR2=SSB Receive Meter VR5=FM Deviation VR13=AM Power
VR3=SSB Squelch VR8=Transmit Meter VR14=Modulation AMC
Model: Superstar JA (EPT001A10Z Circuit Board)
VR1=AM "S" Meter VR6=Transmit Frequency Adjust VR11=AM Hi Power Adjust
VR2=AM Squelch Range VR8=ALC SSB Power VR12=AM Modulation AMC Adjust
VR4=Carrier Balance VR9=Final TX Bias Adjust(1)
VR5=FM Deviation VR10=Driver TX Bias Adjust
Receive Adjust=L3, L5, L6, L7, L8, L9
Transmit Adjust=L44, L43, L41, L42, L40, L33, L31, L30
Model: Superstar LBJ
VR1-Rx "S" Meter VR3-Transmit Meter VR5-FM Deviation
VR2-Squelch VR4-Low Power Level

Model: SUPERSTAR TEK-505D
RV1=Receive Meter LED RV5=Modulation AMC TC1=10.240 Freq. Adjust
RV2=Transmit Meter LED RV6=Fm Deviation TC2=10.695 Freq. Adjust
RV3=Squelch Range Adjust
Receive Adjust=T1,T2,T3,T4,T5,T6
Transmit Adjust=L4,L3,L2,L1

Model: SUPERSTAR TEK-506D
RV1=Squelch Adjust RV203=Modulation Adjust RV303=SSB Power Adjust
RV101=Receive RF Meter RV300=Am Transmit Power RV400=Carrier Balance
RV202=Fm Deviation RV304=Transmit RF Meter
Receive Adjust=T1,T2,T3,T4,T5,T6,T7,T8
Transmit Adjust=T302,T303,T304,L305,L306,L307

Model: Teaberry STALKER IV
VR3=Squelch Adjust VR5=Transmit Meter VR7=Receive IF Gain
VR4=Receive Meter VR6=Modulation AMC

Model: Teaberry STALKER IX
VR1=Receive Meter VR6=Am Transmit Power VR9=Final Bias (45mA)
VR2=Squelch Adjust VR7=SSB Power ALC VR10=Transmit Meter
VR5=Carrier Balance VR8=Driver Bias (35 mA)
Receive Adjust=L1,L2,L3,IA,L5,L6,L7,L8,L9,L10
Transmit Adjust=L26,L27,L28,L29,L36
Model: Teaberry STALKER XV
VR1=Receive Meter VR6=Am Transmit Power VR9=RF Final Bias 45mA
VR2=Squelch VR7=SSB Power ALC) VR10= Transmit Meter
VR5=Carrier Balance VR8=Driver Bias 35mA VR12= Modulation Meter

Model: Teaberry STALKER XX
VR1=Receive Meter VR8=Driver Bias VR11= Modulation AMC
VR6=Am Transmit Power VR9=Final Bias VR12=Modulation Meter
VR7=SSB Power ALC VR10JI'ransmit Meter VR510=Squelch Scan Level
VR502=Squelch Range Adjust
Receive Adjust=L3,I.4,L5,L6,L7,L8,L9,L10
Transmit Adjust=L26,L27,L28,I.29,L36
Model: Tenna 10901
R3=Transmit Meter Adjust R26=Squelch Range Adjust R54=Modulation AMC or cut CD13
R16=Receive Meter Adjust
Receive Adjust=T1, T2, T3, T4, L4
Transmit Adjust=T6, T7, T8, T9, T10, T11, L3, L2, L1

Model: TEK HR-3950 
RV1=Squelch Adjust RV203=Modulation Adj RV303=SSB Power Adjust
RV101=RX RF Meter RV300=Am Transmit Power RV400=Carrier Balance
RV202=Fm Deviation RV304=Transmit RF Meter
Model: Tri Max 220
RV1=RX "S" Meter Adjust RV2=Squelch Range Adjust RV3=AM Modulation AMC Adjust
Receive Adjust=Ti, T2, T3, T4, T5
Transmit Adjust=T8, T9, T10, L10, L11, L12, L13
Model: TRISTAR 240 (Old Version)
RV1=Receive Meter RV4=Transmit Freq. Adj. RV6=Ant. Warning Ind.
RV3=Squelch Adjust RV5=Transmit Meter RV7=Modulation AMC
(RV7 not in all Units)
Receive Adjust=T1,T2,T3,T4,T5
Transmit Adjust=T8,T9,T10,L14,L16,L17
Model: TRS Challenger 730
VR1=Modulation AMC adjust VR3=RX "S" Meter Adjust VR5=Squelch Range Adjust
VR2=Receive AGC Adjust VR4=TX Meter Adjust VR6=Transmit Power Adjust
Receive Adjust=T204, T205, T206, T207, T208, T209, T210, T211
Transmit Adjust=T214, L204, CV101, L205
Model: TRS Challenger 1200
VR1=Modulation AMC VR4=Transmit Meter TC1=10.240 Xtal Adj.
VR2=Receive AGC VR5=Squelch Adj. VR1B=Voltage Adj.
VR3=Receive Meter VR6=AM POWER Adj.
Model: Truetone CYJ4834A-87
RV1=Squelch Adjust RV3=Receive Meter RV501=SWR Meter Adjust
RV2=Modulation AMC RV4=Transmit Meter RV502=Ant. Warning AWI
CT1=10.240 Xtal Adjust
Receive Adjust=T5,T6,L14,T7,T8,T9,T10
Transmit Adjust=L5,T3,T4,L7,L11,L12
UNIDEN / PRESIDENT...
Models: AR-7 & AX-7
VR1=Receive IF Gain VR3=Squelch Adjust
VR2=Receive Meter

Models: AR-144 & AX-144
VR1=Receive Meter VR5=Modulation AMC VR8=Final Bias Adjust
VR2=Squelch Range Adjust VR6=SSB ALC VR9=Driver Bias Adjust
VR3=Transmit Frequency Adjust VR7=Transmit Meter VR10=AM Power Adjust
VR4=Carrier Balance
Receive Adjust=L3, L4, L5, L6, L7,L8, L9, L10
Transmit Adjust=L40, L39, L38, L37, L27

Models: AR-711 & AX-711
VR1=Receive Meter VR3=Transmit Meter VR5=Modulation AMC
VR2=IF Receive Gain VR4=Squelch Adjust

Model: GRANT DX
VR1= Am/Fm RX Meter Adj. VR6=Tx Frequency Adj. VR11=Driver Bias
VR2=SSB RX Meter Adj. VR7=Carrier Balance VR12=SSB Power ALC
VR3=SSB Squelch Adj. VR8=Transmit Meter VR13=Am/Fm Tx Power
VR4=Am/Fm Squelch Adj. VR9=Final Bias #1 VR14=Modulation AMC
VR5=Fm Deviation VR10= Final Bias #2
Model: HR-2600
VR1="S" Meter Adjust VR6=AM Modulation AMC VR11=TX Frequency Adjust
VR2=Squelch VR7=CSP VR12=TX Power Readout
VR3=FM Deviation VR8=AM Power VR13=TX Driver Bias Adjust
VR4=CW Power Level VR9=Modulation Readout VR14=TX Final Bias Adjust
VR5=SSB Power ALC VR10=Side Tone Adjust
Model: Jackson (PB042 Chassis Board)
VR1-AM/FM "S" Meter VR5-Carrier Balance VR11-AM Transmit Power
VR2-AM/FM Squelch VR7-RF Meter VR12-AM Modulation
VR3-Modulation Meter VR8-SSB TX Power
VR4-FM Deviation (Remove TR-26 for improved Modulation )
Model: JFK
VR1-TX Meter VR50I-Low Power RF
VR2-Squelch VR801-FM Deviation
VR3-Rx Meter

Model: Madison (8719 PLL), Madison
VR1-AM "S" Meter VR5-Transmit Frequency VR9-Driver Bias (25 ma)
VR2-SSB "S" Meter VR6-RF Power Meter VR10-AM Power
VR3-Squelch VR7-Modulation Meter VR11-SSB Power (ALC)
VR4-Carrier Balance VR8-Final Bias (50 ma) VR12-Ant. Warning Ind.
Model: Madison (858 PLL chip)
VR1-"S" Meter VR5-AM AGC VR12-TX Meter
VR2-SSB AGC VR7-Modulation (AMC) VR14-Modulation Meter
VR3-Squelch VR8-AM Power VR15-Driver Bias
VR4-Carrier Balance VR9-TX Freq Adjust VR16-Final Bias
CT7-SSB Power (ALC)
Model: McKinley
VR1=Receive Meter VR5=Carrier Balance VR8=RF Driver Bias 35mA
VR2=Squelch Adjust VR6=Am Power VR9=RF Final Bias 45mA
VR3=Transmit Freq. Adjust VR7=SSB Power ALC VR10=Transmit Meter
Receive Adjust=L1,L2,L3,L4,L5,L6,L7,L8,L9,Ll0
Transmit Adjust=L26,L27,L28,L29,L36 (L39 is the 54MHz Coil for TV interference)

Model: PC-33
VR1=Receive Lights VR2=Squelch Adjust VR3=Transmit Lights

Model: PC-55
VR1=Receive Lights VR2=Squelch Adjust VR3=Transmit Lights
Receive Adjust=L1,L2,L3,L4,L5
Transmit Adjust=L14,L15,L12,L11,L8

Model: PC-66A
VR1=Receive Meter VR4=Squelch Adjust VC1=10.240 Xtal Adjust
VR3=Transmit Meter VR5=Modulation AMC

Model: PC-77
VR1=Receive Meter VR3=Transmit Meter VR4=Ant. Warning AWI
VR2=Squelch Adjust
Receive Adjust=L3,L4,L5,L6,L7,L8
Transmit Adjust=L18,L17,L16,L13

Model: PC-244
VR1=Receive Meter VR6=SSB Power ALC VR9=Driver Bias (10mA)
VR2=Squelch Adjust VR7=Transmit Meter VR10= Am Power
VR4=Carrier Balance VR8=Final Bias (10mA)
PRO-510e & PRO-520e
VR1=Squelch Adjust VR3=Receive Lights VR4=Receive Gain
VR2=Transmit Lights
Receive Adjust=L1, L2, L3,L11
Transmit Adjust=L6, L9, L5, L4
Model: PRO-51OXL
VR1=Squelch VR3=Receive Meter VR4=Receive IF Gain
VR2=Transmit Meter
Model: PRO-520XL
VR1=Squelch VR3=Receive Meter VR4=Receive IF Gain
VR2=Transmit Meter
Model: PRO-530e
VR1=Squelch Adjust VR2=Transmit Lights VR3=Receive Lights
Receive Adjust=L1, L2, L3, L4, L5, L6,L&,L8
Transmit Adjust=L14, L11, L10, L9
Model: PRO-535e
VR1=Squelch VR2=Receive Meter VR3=Transmit Meter
Model: PRO-538w
VR1=Squelch VR2=Receive Meter VR3=Transmit Meter
CT352=Weather Xtal Adj.
Model: PRO-540e
VR1=Squelch VR2=Receive Meter VR3=Transmit Meter
VR4=SWR Meter Cal.
Model: PRO-710e
VR1=Squelch Adjust VR3=Transmit Meter VR801=Power Supply Voltage
VR2=Receive Meter
Receive Adjust=Li, L2, L3, L4, L5, L13
Transmit Adjust=L11, L8, L7, L6

Model: PTC-104 TRUCKER
VR1=Squelch Adjust VR3=Transmit Meter VR4=Modulation Meter Adj.
VR2=Receive Meter
Receive Adjust=L2, L3,L4, L5, L6, L7, L16, L23
Transmit Adjust=L18, L19, L21, L15, 1,11, L9, L8
Model: Unic CB-40
RV 1=Squelch Adjust RV3=Transmit LED Level RV4=Modulation AMC
RV2=Receive LED Level
Receive Adjust=T1,T2,T3,T4,T5
Transmit Adjust=T7,T9,T10,T11
Model: Unic CB-50
RV3=Squelch Adjust RV5=Transmit Meter RVG=Ant. Warning AWI
RV4=Transmit Frequency Adj.
Receive Adjust=T1,T2,T3,T4,T5
Transmit Adjust=T7,T8,T9,T1O
Model: Xtal XCB-71
VR101=Receive Meter VR201=Transmit Meter VR202=Modulation AMC
VR102=Squelch Adjust
Model: Yosan JC-2204
VR501=FM Deviation VR602=RX "S" Meter Adjust VR603=AMC Adjust
VR502=Transmit Meter Adjust VR603=Squelch Range Adjust VR701=Modulation Meter Adjust
Receive Adjust=T301, T302, T303, T304, T305
Transmit Adjust=T201, L203, L204, L206