Icom IC-M33 - Squelch Level Adjustment; Lock and Backlighting Functions

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.