4 BASIC OPERATION
■Call channel programming
The call channel switch is used to select Channel 9 by de- fault, however, you can program your most
q Push [CH/WX•U/I/C/L] for 1 sec. to several times to select the desired channel group (USA, INT, CAN) to be programmed.
w Push [16•9] for 1 sec. to select the call channel.
• “CALL” and call channel number appear.
e Push [16•9] again for 3 sec. (until a long beep changes to 2 short beeps) to enter call channel programming condition.
•Call channel number to be programmed flashes.
r Push [Y]/[Z] to select the desired channel.
t Push [16•9] to program the displayed channel as the call channel.
• The call channel number stop flashing.
■Lock function
This function electronically locks all switches (except for
[PTT], [SQL•MONI] and [Hi/Lo•
]) to prevent accidental channel changes and function access.
➥Push [Hi/Lo•
] for 1 sec. to turn the lock function ON and OFF.
Appears while the lock function is used.
■Signal strength indicator
function
The received signal strength level is indicated by number of bars as below.
This indicator can be hidden by using the set mode (p. 20) if desired.
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Signal | Strong | Middle | Weak | No signal or | |||||||
strength | very weak | ||||||||||
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■Monitor function
The monitor function releases the noise squelch mute to check the volume level. See p. 18 for details of the monitor switch action.
➥Push [SQL•MONI] for 1 sec. to activate the monitor function.
•“ 
” appears and audio is emitted.
10