NTROL MICROPHONE OPTIONALpro-Fw PTT SWITCH [PTT] (pgs. 8, 51)Push and hold to transmit; release to receive.e CHANNEL UP/DOWN SWITCHES [YY]/[ZZ]➥ Push either switch to change the operating channel, setmode contents, etc. (pgs. 8, 51)➥ While pushing [H/L], push [Y]/[Z] to adjust the bright-ness of the LCD and switch backlight. (p. 52)➥ Push either switch to adjust audio level or noise squelchlevel after [VOL] or [SQL] is pushed, respectively. (pgs.8, 51)➥ In set mode, changes setting of the selected item. (pgs.9, 55)➥ Checks tag channels or changes scanning direction dur-ing scan. (pgs. 8, 54)r CHANNEL 16/CALL CHANNEL SWITCH [16•9]➥ Selects channel 16 when pushed. (pgs. 6, 50)➥ Selects call channel when pushed for 1 sec. (pgs. 6, 50)• “CALL” appears when call channel is selected.➥ Push for 3 sec. to enter call channel programming con-dition when call channel is selected. (pgs. 9, 53)➥ While pushing [H/L], enters memory name programmingcondition. (pgs. 9, 56)➥ Enters set mode when pushed while turning power ON.(pgs. 30, 55)t CHANNEL/DUALWATCH/TRI-WATCH SWITCH[CH/WX•DW•U/I/C]➥ Selects and toggles the regular channels and weatherchannel when pushed momentarily. (pgs. 6, 7, 50)