Simplified manual
Mode button (first on left to right scheme): short press to toggle between LSB (lower side band) / USB (upper side band) / AM (amplitude modulation) / long press for PA (public announcement megaphone).
Weather button (second button), long press for alert function
NB/ANL/HIC (third button) – NB (Noise blanker), ANL (automatic noise limiter), HIC (HI-CUT) – cuts out high frequency interferences. Short press to toggle those. Long press to activate SCAN.
9/19 (fourth button) – switches back and forth between channel 9 (emergency channel) and 19 (trucker channel). Also DW (dual watch) – be on one channel while monitoring 9 or 19.
Roger beep: hit channel knob 5 times, message shows roger beep, turn channel knob to set on or off, push channel knob to validate, press PTT to exit. Will show music note on LCD display.
Key beep: push channel knob 4x, turn channel knob to set on or off, push channel knob to validate. Press PTT to exit.
Color: push channel knob once.
Dimmer: push channel knob twice.
Contrast: push channel knob 3x.
SWR: push channel knob six times, will go to TX mode without pressing PTT. Tone beep is continuous when SWR = 1.0 (will show up as 10 on LCD). Hit channel mode to validate, press PTT to exit.
Mic Gain: while pressing PTT short press f/mem, short press mic/rf gain (or press 2 times the f/mem key—mic/rf gain is printed underneath f/mem button), turn channel knob to adjust mic gain with bar graph, long press channel knob to validate the setting. Mic gain bar graph will always be shown in TX mode.
Talkback (hear your own modulation): while pressing PTT, long press F/MEM key to activate/deactivate talkback.
RF Power: While pressing PTT short press F/MEM, turn channel knob to adjust RF power with bargraph. Long press channel knob to validate. RF power will always be shown in TX mode.
RF Gain: double press f/mem button, turn channel knob to adjust, long press channel knob to validate. RF gain meter always shown in RX mode.
Top left knob is fine clarifier (outer) and coarse clarifier (inner).
Top right knob is volume (inner) and squelch (outer).
Bottom left knob is channel selector.