12
4
BASIC OPERATION
■
Adjusting the squelch level
To adjust the squelch level, use the
[
Y
]/[
Z
] keys as de-
scribed below. In order to receive signals properly, as well
as for the scan to function effectively, the squelch must be
adjusted to the proper level.
q
Push
[SQL], then adjust the squelch level with [
Y
]/[
Z
].
• “
SQL” indicator starts blinking.
• There are 11 squelch levels to choose from: OP is completely
open; 10 is tight squelch; 1 is loose squelch.
• If no key is pushed for 5 sec., the transceiver returns to normal
operation.
w
Push
[SQL] again to return to normal condition.
■
Lock function
This function electronically locks all keys (except for
[PTT],
[SQL•MONI], [VOL•MUTE], [H/L•LOCK] and [
Y
]/[
Z
]*) to
prevent accidental channel changes and function access.
* After pushing
[VOL•MUTE] or [SQL•MONI] only.
➥
Push and hold
[LOCK] (H/L) for 1 sec. to turn the lock
function ON and OFF.
Push and hold
for 1 sec.
Appears while the lock
function is used.
■
Automatic backlighting
This function is convenient for nighttime operation. The auto-
matic backlighting can be activated in set mode. (p. 19)
➥
Push any key except for
[PTT] to turn the backlighting
ON.
• The backlighting is automatically turned OFF after 5 sec. of in
-
activity.
Blinks during squelch
level adjustment.
Indicates the
squelch level.
Содержание IC-M33
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