426RECEIVE AND TRANSMIT Operating SSBq Push a band key to select the desired band.w Push [SSB] to select LSB or USB.• Below 10 MHz LSB is automatically selected; above10 MHz USB is automatically selected.e Rotate [AF] to set audio to a comfortable listeninglevel.r Rotate the tuning dial to tune a desired signal.• S-meter indicates received signal strength.t Push [TRANSMIT] or [PTT] (microphone) to trans-mit.• The TX indicator lights red.y Speak into the microphone at your normal voicelevel.• Adjust [MIC GAIN] at this step, if necessary.u Push [TRANSMIT] or release [PTT] (microphone) toreturn to receive.Band keys[TX] indicator[TRANSMIT][MIC GAIN] [SSB] Tuning dial“LSB” or “USB” appeareD Convenient functions for receive• Preamp and attenuator (p. 48) Push [P.AMP/ATT] several times to set the pre-amp OFF, preamp 1 ON or preamp 2 ON.• “P.AMP1,” “P.AMP2” or “P.AMP” appears when thepreamp 1, preamp 2 or preamp is set to ON, respec-tively. (depending on operating frequency band) Push [P.AMP/ATT] for 1 sec. to set the attenuatorON.• Push [P.AMP/ATT] momentarily to turn the attenuatorOFF.• “ATT” appears when the attenuator is set to ON.• Noise blanker (p. 51) Push [NB] to turn the noise blanker ON and OFF.• “NB” appears when the noise blanker is set to ON.• Push [NB] for 1 sec. to enter noise blanker set mode.• Noise reduction (p. 53) Push [NR] to turn the noise reduction ON and OFF.• Rotate [NR] control to adjust the noise reduction level.• “NR” appears when the noise reduction is set to ON.• Auto notch filter (p. 53) Push [A/NOTCH] to turn the auto or manualnotch function ON and OFF.• Rotate [NOTCH] control to set attenuate frequency formanual notch operation.• Twin PBT (passband tuning) (p. 52) Rotate [TWIN PBT] controls (inner/outer).• Push [PBTC] to clear the settings.• AGC (auto gain control) (p. 49) While M1 is selected with [MENU], push[F1 AGC] several times to select AGC F,AGC M, AGC S or AGC OFF.• VSC (voice squelch control) (p. 00) While M2 is selected with [MENU], push[F5 VSC] to turn the VSC function ON and OFF.• The VSC indicator appears when the voice squelchfunction is set to ON.D Convenient functions for transmit• Speech compressor (p. 58) While M1 is selected with [MENU], push [F3CMP] to turn the speech compressor ON andOFF.• “COMP” appears when the speech compressor is setto ON.• VOX (voice operated transmit) (p. 54) Push [VOX/BK-IN] to turn the VOX function ONand OFF.• “VOX” appears when the VOX function is set to ON.• Transmit quality monitor (p. 57) Push [MONITOR] to turn the monitor function ONand OFF.• “MONI” appears when the monitor function is set toON.• Audio tone control (p. 88) While M2 is selected with [MENU], push [F4TCN], select an item with [F1 ≤] and [F2 ≥] thenrotate the tuning dial to adjust the audio tone.