Call Channel Programming; Lock Function; Signal Strength Indicator Function; Monitor Function - Icom IC-M90 Instruction Manual

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 often-used chan-
nel in each channel group for quick recall.
q Push [CH/WX•
U/I/C/L
several times to select the desired
channel group (USA, INT, CAN) to
be programmed.
w Push [16•
] for 1 sec. to select the
9
call channel.
• " C A L L" a n d c a l l c h a n n e l nu m b e r
appear.
e Push [16•
] again for 3 sec. (until
9
a long beep changes to 2 shor t
beeps) to enter call channel pro-
gramming condition.
• C a l l c h a n n e l n u m b e r t o b e p r o -
grammed fl ashes.
r Push [Y]/[Z] to select the desired
channel.
t Push [16•
] to program the dis-
9
played channel as the call channel.
• T h e c a l l c h a n n e l n u m b e r s t o p
fl ashing.
10
] for 1 sec. to

■ Lock function

This function electronically locks all switches (except for
[PTT], [SQL• ] and [Hi/Lo•
MONI
channel changes and function access.
➥ Push [Hi/Lo•
] for 1 sec. to turn the lock function ON
and OFF.
■ 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.
Indication
Signal
Strong Middle
strength

■ 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•
] for 1 sec. to activate the monitor function.
MONI
• " " appears and audio is emitted.
]) to prevent accidental
Appears while the lock
function is used.
No signal or
Weak
very weak