2610CONTROL MICROPHONE-w PTT SWITCH [PTT] (pgs. 6, 29)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. 6, 29)➥ While pushing [H/L], push [Y]/[Z] to adjust the bright-ness of the LCD and switch backlight. (p. 32)➥ Push either switch to adjust audio level or noise squelchlevel after [VOL] or [SQL] is pushed, respectively.(pgs. 20, 29)➥ In set mode, changes setting of the selected item.(pgs. 20, 34)➥ Checks tag channels or changes scanning direction dur-ing scan. (pgs. 9, 33)r CHANNEL 16/CALL CHANNEL SWITCH [16•9]➥ Selects Ch 16 when pushed. (pgs. 5, 31)➥ Selects call channel when pushed for 1 sec. (pgs. 3, 31)• “CALL” appears when call channel is selected.➥ Push for 3 sec. to enter call channel programming con-dition when call channel is selected. (pgs. 7, 32)➥ While pushing [H/L], enters memory name programmingcondition. (pgs. 7, 35)➥ Enters set mode when pushed and hold [16•9] turningthe power ON. (pgs. 20, 34)