| TRC-485 |
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| RV5 is the audio limiter. You can adjust this or cut R111. RV10 is the AM power level. Clarifier Modification Remove the 5 volt switched voltage from the clarifier control. (remove the face plate to cut the trace) Solder a 4.7k resistor from SJ32 to the closest leg of the clarifier control. Cut D21 by the crystal on the main board. Solder a jumper across the surface mount resistor 181 by the clarifier control. |
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| RV1: RX-Meter RV2: Squelch RV3: TX-Frequency RV4: AM/FM Power RV5: AM Modulation RV6: RF ALC RV7: TX-Meter RV8: Finale 100mA RV9: Driver 50mA RV201: FM Modulation T11: AM 10.6950MHz T12: USB 10.6925MHz T13: LSB 10.6975MHz |