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1 200GTL ALIGNMENT REVISION: 1.0 BURKE ALIGNMENT PROCEDURE Downloaded from MODEL: 200GTL REVISION: 1.2 DATE: 02/14/06 PREPARED BY: BURKE Total Pages: 6 pages Page:1 print date: 9/23/09

2 200GTL ALIGNMENT REVISION: 1.0 BURKE 1 TEST CONDITION: 200GTL ALIGNMENT INSTRUCTION 1.0. TEST TEMPERTAURE: 77 ±9 F 1.1. STANDARD DC : 13.8VDC 1.2. STANDARD AUDIO LOADING: 8 Ω 1.3. ANTENNA IMPEDANCE: 50 Ω 1.4. STANDARD REF. MODULATION: AM 30% FM 2.5KHz 1.5. PULSE GENERATOR: 1µS 100mS and 1V peak-to-peak amplitude, 1.6. TEST EQUIPMENT SETUP AS BELOW: A. TX test equipment setup: with rise and fall time of less than 10nS. Modulation Meter RF Wattmeter Dummy Load Power Supply 200 GTL Audio Generator Page:2 print date: 9/23/09

3 200GTL ALIGNMENT REVISION: 1.0 BURKE B. RX test equipment setup: AC VTVM RF Signal Generator Oscilloscope 200GTL Power Supply 8 ohm Load Noise Pulse Generator 2.0 MAIN ALIGNMENT 2.1 PLL Alignment STEP PRESET TO CONNECTIONS ADJUST PROCEDURE RX mode, AM, Oscilloscope to TP1 Check for range of 0.2 to 1 T MHz (junction of R92-C607) 7VDC, then set to 2.8V Oscilloscope to TP2 2 Same as step 1 T713 Adjust for maximum output (forward end of BF9) Frequency counter to Adjust for MHz 3 Same as step 1 TP2 T711 (frequency ) (forward end of BF9) 2.2 Carrier Alignment STEP PRESET TO CONNECTIONS ADJUST PROCEDURE 1 TX mode, AM, Frequency counter to MHz TP3 T716 Adjust for MHz 2 RX mode, LSB, MHz Same as step 1 T714 Adjust for MHz 3 RX mode, USB, MHz Same as step 1 T715 Adjust for MHz Page:3 print date: 9/23/09

4 200GTL ALIGNMENT REVISION: 1.0 BURKE 3.0 RECEIVER ALIGNMENT Connect an AC VTVM with 8 ohm load across speaker coil. Adjust volume control to obtain a suitable indication. Set generator output low enough to prevent AGC limiting. Preset controls as follows, unless otherwise noted: RF Gain maximum, Squelch minimum, NB/ANL off. STEP PRESET TO CONNECTIONS ADJUST PROCEDURE Output of signal generator to T703, T704, 1 RX mode, AM antenna connector. T705, T706, Adjust for maximum signal on MHz Freq. = MHz, 1KHz 30% T707, T708, VTVM modulation, RF output 1µV T Same as step 1, squelch to maximum RX mode, AM MHz (Band D) RX mode, AM, MHz, NB/ANL switch set to NB/ANL RX mode, FM, MHz Output of signal generator to antenna connector. Freq. = MHz, 1KHz 30% modulation, RF output 1500µV Output of signal generator to antenna connector. Freq. = MHz, NO modulation, RF output 100µV Output of signal generator and noise pulse generator to antenna connector. Freq. = MHz, 1KHz 30% modulation, RF output 1µV. Oscilloscope to collector of Q6 Output of signal generator to antenna connector. Freq. = MHz, 2.5KHz deviation, RF output 1µV RV2 RV15 T701 T702 SQUELCH RANGE Adjust just until squelch opens SIGNAL METER Adjust for a reading of S-9 on the analog meter of the radio NOISE BLANKER Adjust for maximum amplitude on oscilloscope Adjust for maximum signal on VTVM Page:4 print date: 9/23/09

5 200GTL ALIGNMENT REVISION: 1.0 BURKE 4.0 TRANSMITTER ALIGNMENT Maintain a 50 ohm 25 watt dummy load on the antenna connector for the following steps. Preset controls as follows, unless otherwise noted: RF Power set to HI, Mic Gain to minimum. STEP PRESET TO CONNECTIONS ADJUST PROCEDURE Insert a current meter TX mode, LSB, BIAS CURRENT 1 between pins A(+) and RV MHz Adjust for 1.3 amps B(-) of CON3 2 Same as step TX mode, AM, MHz TX mode, AM, MHz Same as step 4, Power switch to LO TX mode, AM, MHz Power switch to HI TX mode, AM, MHz Mic Gain to maximum Same as step 7, Power switch to LO TX mode, FM, MHz Mic Gain to maximum TX mode, LSB, MHz Mic Gain to maximum Same as step 10 Power switch to LO TX mode, LSB, MHz Mic Gain to minimum Insert a current meter between pins C(+) and D(-) of CON3 RF wattmeter to antenna connector RF wattmeter to antenna connector Same as step 4 Modulation meter to antenna connector. Insert a 1KHz, 30mV signal to microphone input. Same as step 7 Deviation meter to antenna connector. Insert a 1KHz, 30mV signal to microphone input. RF wattmeter to antenna connector. Insert a 1KHz, 30mV signal to microphone input. Same as step 10 Oscilloscope to antenna connector. RV19 T718, T719, T720, T721, T722, T723, L21 RV9 RV8 RV1 RV12 RV3 RV5 RV14 RV20 RV6 BIAS CURRENT Adjust for 60mA Adjust for maximum RF output RF HI Adjust for 32 watts RF - LO Adjust for 4 watts RF METER Adjust for a reading of S-7 on the analog meter of the radio AMC CONTROL - HI Adjust for 90% modulation AMC CONTROL - LO Adjust for 90% modulation DEVIATION LIMITER Adjust for 2.9KHz deviation SSB HI Adjust for 100 watts SSB LO Adjust for 12 watts Adjust for minimum output Page:5 print date: 9/23/09

6 200GTL ALIGNMENT REVISION: 1.0 BURKE 13 TRANSMITTER ALIGNMENT (continued) STEP PRESET TO CONNECTIONS ADJUST PROCEDURE SWR METER Adjust SWR Cal knob so analog meter on radio goes TX mode, AM, Power switch to HI, Mic Gain to minimum, S/RF switch set to CAL Same as step 13 Power switch to LO TX mode, AM, Power switch to LO, Mic Gain to minimum Connect a 100 ohm dummy load to the antenna connector Same as step 13 Short the antenna output to ground RV23 RV7 RV4 to CAL mark. Then set S/RF switch to SWR and adjust RV23 for an SWR reading of 2 on the analog meter of the radio. SWR METER Same as step 13 except adjust RV7 for a reading of 2 on the analog meter ANTENNA LIGHT Adjust RV4 until the antenna light just comes on Page:6 print date: 9/23/09

7 200GTL ALIGNMENT REVISION: 1.0 BURKE Page:7 print date: 9/23/09

8 200GTL ALIGNMENT REVISION: 1.0 BURKE REVISION HISTORY 1.0 Initial release. 1.1 Corrected step 2 in section 2.2 (changed USB to LSB). Corrected step 3 in section 2.2 (changed LSB to USB). 1.2 Added Step 15 in Section 4 Page:8 print date: 9/23/09

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10 TEST CONDITION: SUPPLY VOLTAGE: 13.8 V BAND A ( MHz) PIN NO. SWITCH CONDITION RX TESTING UNIT CW FM AM USB LSB 1 V V V V N.C. N.C. N.C. N.C. N.C. 6 N.C. N.C. N.C. N.C. N.C. 7 V N.C. N.C. N.C. N.C. N.C. 9 DURING STANDBY V WHEN CH. SW. TURN ON TO DOWN POSITION V V V DURING STANDBY V DIM SWITCH FUNC. TURN ON V V V mv mv N.C. N.C. N.C. N.C. N.C. 18 DURING STANDBY V WHEN CH. SW. TURN ON TO UP POSITION V STANDBY V WHEN ROGER BEEP SWITCH TURN ON V mv mv DURING STANDBY mv WHEN 10KHZ SWITCH TURN ON V V mv V mv N.C. N.C. N.C. N.C. N.C. 28 MODE SWITCH SET TO CW V V BAND SWITCH SET TO A BAND / WHEN SET TO OTHER BAND PIN IS EQUAL TO ZERO VOLT V BAND SWITCH SET TO B BAND / WHEN SET TO OTHER BAND PIN IS EQUAL TO ZERO VOLT V BAND SWITCH SET TO C BAND / WHEN SET TO OTHER BAND PIN IS EQUAL TO ZERO VOLT V BAND SWITCH SET TO D BAND / WHEN SET TO OTHER BAND PIN IS EQUAL TO ZERO VOLT V V NO CW JACK INSERTED V BOTH COARSE & FINE VR AT CENTER POSITION V VR COARSE AT CENTER & FINE VR IN MINIMUM POSITION V FINE VR AT CENTER & COARSE VR IN MINIMUM POSITION V BOTH COARSE & FINE VR AT MINIMUM POSITION V FINE VR AT CENTER & COARSE VR IN MAXIMUM POSITION V COARSE VR AT CENTER & FINE VR IN MAXIMUM POSITION V BOTH FINE & COARSE VR AT MAXIMUM POSITION V N.C. N.C. N.C. N.C. N.C. 38 mv V V MODE SWITCH SET TO USB MODE V MODE SWITCH SET TO LSB MODE V

11 PIN NO. SWITCH CONDITION UNIT CW FM AM USB LSB 43 STANDBY V CAL. FUNC. TURN ON mv mv mv DURING STANDBY mv WHEN PRESSING DIM SW. FUNC. TO ONCE & 5 TIMES ON V mv DURING STANDBY mv PRESSING DIM SW. FUNC. TO 2 & 4 TIMES ONLY V mv DURING STANDBY mv PRESSING DIM SW. FUNC. TO 3,4 & 5 TIMES ONLY V mv mv mv mv mv mv mv mv mv mv NOTE: PIN NO CONNECTION

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19 150GTL & 200GTL Parts List COBRA P/N MODEL DESCRIPTION CIRCIUT SYMBOL , 200 Bracket, mounting Capacitor, trimmer, 20pF, 150gtl CT1, Choke, 4.7µH, 200gtl L9, Choke, 6.8µH, 150gtl L , 200 Choke, power input TF , 200 Coil, 1µH 150GTL: L13,14,15 200GTL: L2, , 200 Coil, adjustable L , 200 Coil, IFT T , 200 Coil, IFT T701,707, , 200 Coil, IFT T , 200 Coil, IFT T , 200 Coil, IFT 150GTL: T713, GTL: T , 200 Coil, IFT T703, , 200 Coil, IFT T704,705, , 200 Coil, IFT T718, , 200 Coil, IFT T721, Coil, IFT, 150gtl T Coil, IFT, 200gtl T Coil, IFT, 200gtl T Coil, IFT, 200gtl T715, Coil, IFT, 200gtl T Connector assembly, frequency counter, 150gtl , 200 Connector, antenna ANT , 200 Connector, external speaker 150GTL: J4,5 200GTL: J2, , 200 Connector, microphone Cover assembly, bottom, 150gtl Cover assembly, bottom, 200gtl Cover assembly, top, 150gtl Cover assembly, top, 200gtl Crystal, 10.24MHz, 150gtl X Crystal, 10.24MHz, 200gtl X Crystal, MHz, 150gtl X Crystal, MHz, 200gtl X , 200 Crystal, MHz X , 200 Diode, 1N60P 150GTL: D2,20 200GTL: D2, , 200 Diode, 6A6 (6A, 600V) D Diode, band switch, KDS114, 200gtl D , 200 Diode, chip, 6.8V zener 150GTL: D79 200GTL: D , 200 Diode, chip, KDS GTL: D6,22,25,27,28,39,73,77,74 200GTL: D1,6,8,19,20,22,26,27,28,30,41,45,50,51,54,60,63,79, , 200 Diode, chip, KDS181S 150GTL: D21,37 200GTL: D21,37, , 200 Diode, chip, KDS184S 150GTL: D18,23,33,62,75,78 200GTL: D4,5,9,16,18,33,39,42,43,44,47,52,55,58,80, , 200 Diode, chip, KDS GTL: D11,34 200GTL: D11,34, , 200 Diode, chip, varicap, KDV251S-C-RTK 150GTL: D12,13,14,17,30,31,68,69,71,72 200GTL: D10,12,13,14,17,29,31,68,69,71, , 200 Diode, schottky, RB706F D7, Diode, varicap, KDV350E, 200gtl D Escutcheon assembly, 150gtl Escutcheon assembly, 200gtl

20 , 200 Filter, ceramic, 455KHz CF Heat sink, 150gtl Heat sink, 200gtl IC, audio amp, KIA7217AP, 200gtl IC IC, audio amp, TDA2003V, 150gtl IC IC, audio amp, TDA2005, 150gtl IC , 200 IC, bipolar, KIA4558F IC4, , 200 IC, bipolar, KIA6058F IC IC, CPU, 150gtl IC IC, CPU, 200gtl IC IC, double balanced mod, NJM1496, 200gtl IC , 200 IC, echo, HT8970 IC , 200 IC, EEPROM, HT24LC02 IC , 200 IC, FM IF, UTC3361B IC , 200 IC, IN74HC164AD 150GTL: IC9,12 200GTL: IC18, , 200 IC, OP AMP, IL324D IC , 200 IC, PLL, LC7152 IC , 200 IC, regulator, KIA7808AP/API IC , 200 IC, regulator, KIA78L05F IC5, IC, switch, IW4066BD, 200gtl IC , 200 Knob, channel Knob, pushbutton, DIM / SWR, 200gtl Knob, pushbutton, NB / HI PWR / R BEEP, 200gtl , 200 Knob, volume (inner) , 200 Knob, volume (outer) , 200 Knobe, mode (PA-AM-FM) , 200 Lamp, meter LED , 200 LED, ANT light LED , 200 LED, channel display DIS1, DIS LED, frequency display, 200gtl DIS1,2,3,4,5, , 200 LED, RX / TX LED MCF, MHz, 150gtl MCF, MHz, 200gtl CF MCF, MHz, 200gtl CF , 200 Meter, analog MET Pot, DIM / SWR CAL, 150gtl VR Pot, ECHO / SWR CAL, 200gtl VR , 200 Pot, MIC GAIN / RF GAIN 150GTL: VR GTL: VR103, Pot, TB / ECHO, 150gtl VR , 200 Pot, volume / squelch VR Power cord assembly with fuse holder, 150gtl Power cord assembly with fuse holder, 200gtl Power cord pigtail assembly, 150gtl CON Power cord pigtail assembly, 200gtl , 200 Power supply assembly, EL Relay, 200gtl RL Resistor, 10ohm 1W 5%, 150gtl R Resistor, 120ohm 2W 5%, 200gtl R346,355, , 200 Resistor, 3.9ohm 2W 5% R , 200 Resistor, 4.7K 2W 5% R , 200 Resistor, trimmer, 100K RV1,2, , 200 Resistor, trimmer, 10K 150GTL: RV4 200GTL: RV6, Resistor, trimmer, 1K, 200gtl RV8, , 200 Resistor, trimmer, 2.2K 150GTL: RV12 200GTL: RV5, Resistor, trimmer, 22K, 200gtl RV3,23

21 , 200 Resistor, trimmer, 4.7K 150GTL: RV5,9 200GTL: RV7, Resistor, trimmer, 470ohm, 200gtl RV , 200 Resistor, trimmer, 47K 150GTL: RV3,17 200GTL: RV4, , 200 Screw, case , 200 Speaker SP Strain relief, power cord, 150gtl Strain relief, power cord, 200gtl , 200 Switch, band (A-B-C-D) SW , 200 Switch, channel SW Switch, mode (CW-FM-AM-USB-LSB), 200gtl SW Switch, mode (PA-AM-FM), 150gtl SW Switch, push, DIM/SWR, 200gtl SW Switch, push, NB, PWR, R BEEP, 10KHz, SWR-S/RF, 200 SW2,3,5,8, Switch, slide (RF Power, 10KHz), 150gtl SW3, Switch, slide (S/RF, NB/ANL), 150gtl SW7, , 200 Thumbscrew, for mounting radio to bracket Transformer, audio, 150gtl Transistor, 2SC2078, 200gtl Q Transistor, 2SC2290A, 200gtl Q35, , 200 Transistor, 2SC2314 Q Transistor, driver, RD06HHF1 (30MHz, 6W), 150gtl Q , 200 Transistor, KRA101S 150GTL: Q8 200GTL: Q , 200 Transistor, KRA102S Q Transistor, KRC101S, 150gtl Q33,59, , 200 Transistor, KRC102S 150GTL: Q55,57 200GTL: Q15,34,41,55, , 200 Transistor, KRC111S 150GTL: Q9,25,32,39,59,79,80 200GTL: Q9,13,16,20,29,32,39,45,47,48,50,77-81,84, , 200 Transistor, KTA1001 Q , 200 Transistor, KTA1504GR 150GTL: Q6,31,43,81 200GTL: Q6,31,43, , 200 Transistor, KTB1370 Q , 200 Transistor, KTC3875Y 150GTL: Q1,10,13,17,26,28,44,64,68 200GTL: Q1,8,17,44,49,63,64,68,75 150GTL: Q3,4,7,12,18,19,22,36,37,38,46,53,69, , 200 Transistor, KTC3880S-Y 200GTL: , 200 Transistor, PNP, KTA200 Q3,4,7,10,12,18,19,21,22,23,25,26,27,28,30,36,37,38,53,69 Q2, , 200 Transistor, RD16HHF1 (30MHz, 16W) 150GTL: Q73,74 200GTL: Q , 200 Transistor., KTK211Y Q5, , 200 Washer, rubber (for thumb screws)

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23 TEST CONDITION: SUPPLY VOLTAGE: 13.8 V BAND A ( MHz) LOCATION VALUE SWITCH CONDITION UNIT CW FM AM USB LSB Q40 Q53 Q49 Q33 Q83 Q77 2S62290 ICTC3880Y Q3875Y KRC 101 A1504 KRC111 RX STANDBY CONDITION TX LOW TX HI RX TX RX STANDBY CONDITION TX LOW TX HI RX TX RX TX RX OCCUR WHEN PRESSING DIM SW. TO 3,4&5 C V B V C V B V C V B V E V C V B V E V C V B V C V B V C V B V C V B mv C V B V C mv B V E V C V B V E V C V B mv C V B V C mv

24 LOCATION VALUE SWITCH CONDITION UNIT CW FM AM USB LSB Q78 Q79 Q45 Q9 Q 48 Q 47 KRC111 KRC111 C111 C111 C111 C111 RX/TX DIM SWITCH AT NORMAL CONDITION OCCUR WHEN PRESSING DIM SW. TO 2,4&5 TIMES RX/TX DIM SWITCH AT NORMAL CONDITION OCCUR WHEN PRESSING DIM SW. TO 1&5 TIMES TX LOW TX HIGH TX LOW TX HIGH TX LOW CAL FUNCTION OFF TX LOW CAL FUNCTION ON TX HI CAL FUNCTION OFF TX HI CAL FUNCTION ON TX LOW CAL FUNCTION OFF TX LOW CAL FUNCTION ON TX HI CAL FUNCTION OFF TX HI CAL FUNCTION ON B mv C V B V C mv B mv C V B V C mv C V B V C V C V B V C V C V C V B V C V B V C V C V C V B V C V B V C V

25 LOCATION VALUE SWITCH CONDITION UNIT CW FM AM USB LSB Q63 KTC 3880Y RX Q34 C102 RX MOD Q81 Q50 Q80 Q13 C111 C111 C111 C111 RX PWR SW SET TO LOW RX PWR SW SET TO LOW TX PWR SW SET TO LOW TX PWR SW SET TO LOW RX TX RX SW SET TO LOW RX SW SET TO HI TX PWR SW SET TO LOW TX PWR SW SET TO LOW SW SET HI SW SET LO TX MODE SW SET HI TX MODE SW SET LO B V E V C V B V C V B V C V 42.5 Mv 42.5 Mv 42.5 Mv C V B V C mv C V C V C V B V C V C V B V C V C V C V B V C V C V B V C mv V 0.89 V

26 LOCATION VALUE SWITCH CONDITION UNIT CW FM AM USB LSB Q65 Q66 Q67 Q68 2SB1370 A1001 KRC1O1 C3875Y RX OPERATION SW SET TO LOW RX OPERATION SW SET TO HI TX OPERATION SW SET TO LOW TX OPERATION SW SET TO HI RX OPERATION SW SET TO LOW RX OPERATION SW SET TO HI TX OPERATION SW SET TO LOW TX OPERATION SW SET TO HI RX OPERATION SW SET TO LOW RX OPERATION SW SET TO HI TX OPERATION SW SET TO LOW TX OPERATION SW SET TO HI RX OPERATION SW SET TO LOW RX OPERATION SW SET TO HI TX OPERATION SW SET TO LOW TX OPERATION SW SET TO HI B V E V C V B V E V C V B V E V C V B V E V C V B V E V C V B V E V C V B V E V C V B V E V C V C V B V C V mV 49.1mV C V B V C V B V E V C V B V E V C V B V E V C V B V E V C V

27 LOCATION VALUE SWITCH CONDITION UNIT CW FM AM USB LSB Q12 Q69 Q71 Q72 Q74 KTC3880Y KTC3880Y 2SC2314 KTC2078 RD1GHHF1 TX OPERATION SW SET TO LOW TX OPERATION SW SET TO HI TX OPERATION SW SET TO LOW TX OPERATION SW SET TO HI TX OPERATION SW SET TO LOW TX OPERATION SW SET TO HI RX OPERATION SW SET TO LOW RX OPERATION SW SET TO HI TX OPERATION SW SET TO LOW TX OPERATION SW SET TO HI RX OPERATION SW SET TO LOW RX OPERATION SW SET TO HI TX OPERATION SW SET TO LOW TX OPERATION SW SET TO HI B mv C mv B V E V C V B V E V C V B mv C mv B V E V C V B V E V C V B V C mv B V E V C V B V E V C V B mv C V B mv C V B V C V B V C V G mv D V S V G mv D V S V G V D V S V G V D V S V

28 LOCATION VALUE SWITCH CONDITION UNIT CW FM AM USB LSB Q35 Q30 Q20 Q42 Q39 Q43 Q44 2SC2290 KTC3880Y KRC111 KRA102 C111 KTA1504 C3875 TX OPERATION SW SET TO LOW TX OPERATION SW SET TO HI Q18 KTC3880Y TX MODE TX MODE TX MODE TX MODE TX MODE TX MODE TX MODE C V B V C V B V C V B V C V B V E V C mv B V E V C V B V C mv B V C mv V 2.58V B mv E mv C mv B V mV E V C mv B mv V C mv B mv V C V mV B V E V C V B V E V C V B V C mv B mv C V

29 LOCATION VALUE SWITCH CONDITION UNIT CW FM AM USB LSB Q15 Q14 Q55 Q57 Q41 C102 A200 C102 C102 C102 TX MODE TX MODE TX MODE TX MODE RX OPERATION SW SET TO LOW RX OPERATION SW SET TO HI TX OPERATION SW SET TO LOW TX OPERATION SW SET TO HI Q17 C3875Y Q16 C111 Q6 KTA1504Y Q21 KTC3880Y B V C mv B V C mv B V E V C V B V E V C V B V C mv B V C V B mv C V B V C mv B V C mv C V mV mV 15.5mV B V C mv C mv 3.3V B V E V C V B V C V B V E V C V B V E V C V

30 LOCATION VALUE SWITCH CONDITION UNIT CW FM AM USB LSB Q36 KTC3880Y RX/TX MODE Q37 KTC3880Y RX/TX MODE Q38 KTC3880Y RX/TX MODE Q5 Q4 Q3 Q18 Q11 Q19 Q22 KTK211Y KTC3880Y KTC3880Y KTC3880Y KTK211Y NB/ANL SW. OFF NB/ANL SW. ON NB/ANL SW. OFF NB/ANL SW. ON NB/ANL SW. OFF NB/ANL SW. ON RF GAIN SW. MAX.-47dBm RF GAIN SW. MIN.-47dBm Q23 KTC3880Y Q25 KTC3880Y KTC3880Y KTC3880Y Q26 KTC3880Y B V C V B V E V C V B V E V C V G V D V S V G mv D V S V B mv C mv B V C mv B V C V B V C V B mv C V G V D V S V B V E V C V B V E V C V B V E mv C V B V E V C V B V E V C V B V C V

31 LOCATION VALUE SWITCH CONDITION UNIT CW FM AM USB LSB Q27 KTC3880Y Q28 KTC3880Y Q29 C111 Q31 KTA1504 Q1 C3875Y SQ. AT MIN. Q2 Q46 Q8 C3875Y A101 C3880Y SQ. AT MAX. TX MODE SWR ON / ANTENNA CONNECTED TX MODE SWR ON / ANTENNA DISCONNECTED TX MODE SWR ON / ANTENNA CONNECTED TX MODE SWR ON / ANTENNA DISCONNECTED B V E V C V B V E V C V B mv V 7.8V C V mV B V E V 1.35 `-140mV `-1.2V C V 1.35 `-144mV `-1.2V B mv C V B mv C mv B V E V C V E V C V B V C V B V C V