Icom IC-A24 Instruction Manual - Page 13

3 BASIC OPERATION I Setting a frequency I Setting a squelch level ï Using keypad The transceiver has a noise squelch circuit to mute undesired 2 q Push [PWR] for 2 sec. to turn power ON, then push [CLR•DEL] to select the frequency mode when memory CH noise while receiving no signal. q Push [SQL•WX-ALERT], then rotate [DIAL] to select the 3 number or WX CH number appears on the function dis- squelch level. play. w Push 5 appropriate digit keys to input the frequency. • Push [1]* as the 1st digit. • When a wrong digit is input, push [CLR•DEL] to clear, • 'SQL--0' is loose squelch and 'SQL--24' is tight squelch. • Appears " " while the squelch is open. w Push [SQL•WX-ALERT] or [CLR•DEL] to exit the squelch set mode. then repeat step w again. • Push [ENT•WX] to enter consecutive zero digits. • Only [2]*, [5]*, [7• ] and [0•BANK] can be entered as the 5th and final digit. I Selecting a weather channel (U.S.A. version only) [EXAMPLE] • 111.225 MHz: Push • 117.250 MHz: Push • 120.000 MHz: Push • 125.300 MHz: Push The U.S.A. version has VHF marine WX (weather) channel receiving capability for flight planning. q Push , then push [ENT•WX] to select WX ï Using the tuning dial q Push [PWR] for 2 sec. to turn power ON, then push [CLR•DEL] to select the frequency mode when memory CH number or WX CH number appears on the function dis- play. w Rotate [DIAL] to set the desired frequency. channel mode. • "WX--" and previously se- lected channel number appears. w Rotate [DIAL] to select the desired WX channel. e Push [CLR•DEL] to exit the WX channel mode and return to frequency mode. • To select the 1 MHz tuning step, push , then rotate [DIAL]. Push again to return the normal tuning. 8