Yaesu FTA-310 Operating Manual

FTA-310 OperATing MAnuAl 15B asIc operatIon You may also turn thet o p p a n e l ’s ( o u t e r )DIAL selector knob tochoose the desired op-erating frequency. Thechannel frequency willappear on the LCD. Rotate the VOLUMEknob to set the volumelevel. If no signal ispresent, press and holdthe MONITOR switchfor 2 seconds; back-ground noise will nowbe heard, and you mayuse this noise to set theV O L U M E k n o b f o rthe desired audio level.Press the MONITORswitch momentarily tosilence the noise andresume normal (quiet) monitoring. To turn the radio off,t u r n t h e V O L U M Eknob fully counter-clockwise into the clickstop position.Squelch Adjustment P r e s s t h e [ F ] k e ym o m e n t a r i l y ,t h e n p r e s s t h e[ 0 ( S Q ) ] k e y. T h i sinstantly recalls MenuItem 01 “SQL” whichis adjusts the thresholdlevel of the squelch circuit. Rotate the DIAL selector knob to set the squelchthreshold (0 to 8) so that the receiver is just silenced.A higher number indicates that a higher signal levelis required in order to open the squelch. Press downward on the VOLUME knob to saveyour new setting. Press the PTT switch to exit the Menu (“SET”)mode.