Backlight; Keylock; Channel/Zone Selection; D Channel Selection - Icom IC-41S Instruction Manual

3
BASIC OPERATION
■

Backlight

The transceiver features a backlit LCD display for low-light
operation. The modes available for the backlight can be
changed via the set mode.
q
To enter set mode, push and hold [Top] for 2 seconds,
then release.
w
Push [Top] several times until "Light" appears.
e
Push [CH Up] or [CH Down] to set the backlight mode.
• ON : Backlight is on continuously.
• A2 : Lights for 5 seconds when LCD indication is
changed or any key except [PTT] is pushed.
• AT : Lights for 5 seconds when a selcall signal is transmitted/
received or any key except [PTT] is pushed.
•
OF : Backlight never lights.
r To exit set mode, push and hold [Top] for 2 seconds, or
turn transceiver OFF.
■

Keylock

This function electronically locks all keys except for [PTT],
[Side 1], [Top], (
when in function mode only
vent accidental channel changing and function access.
To lock the keypad:
➥
Push and hold
tion ON and OFF. "
locked.
8
) and
for 2 seconds to toggle the lock func-
" is displayed when the keypad is
■

Channel/Zone Selection

D
Channel Selection
Changing channels on a UHF CB is important to ensure that you
can communicate with the intended person(s). The 80 channels
available on the UHF CB band also help to allow clear, uninter-
rupted communication. The IC-41S can access all 80 channels
on the UHF CB band, as well as designated repeater channels.
It is also capable of storing a combination of up to 48 receive-
only and private channels. (dealer programmable)
➥
Push the [CH Up] and [CH Down] buttons to scroll through the
available channels.
• It is also possible to push and hold these buttons for continuous scrolling.
• "CB-xx" appears when a CB channel is selected and RX-xx appears when
an RX channel is selected. (where "xx" represents the channel number)
D
Zone Selection
A zone is a grouping of private channels, mainly used for
commercial applications. It allows only certain groups or busi-
ness departments to communicate within the allocated zone.
q
Push [Top] to enter function mode, then push and hold
for 2 seconds to enter the zone selection mode.
w
Push [CH Up] or [CH Down] to select the desired zone,
then push
, to pre-
NOTE:
• The selected channel is retained when the transceiver is turned off.
• The CB-05, CB-R5 and CB-35 channels are used for emergen-
cy use, and are required to be left open for this use only. The
CB-22 and CB-23 channels are used for data transmission,
meaning voice transmission is inhibited.
(available only when two or more zones are set)
again to confi rm.