Checking the Battery Power
To check the battery power, press and hold the preprogrammed
Battery
Power Indicator
key. The following table lists the battery power
indications. The icon
indicates that the battery runs low. In this case,
please recharge or replace the battery.
Icon
LED Indication/Tone
The LED indicator glows green.
The LED indicator glows orange.
The LED indicator glows red.
The LED indicator glows red and an alert tone sounds.
Locking or Unlocking Keys and Knobs
When the keypad is not in use, it is recommended that you lock it to avoid
unintended operations.
To lock or unlock the keypad, press the preprogrammed
Keypad Lock
key.
To allow the keypad to be locked automatically, enable the Keypad Lock
feature as follows:
1. Go to
Menu
>
Settings
>
Radio Set
>
Keypad Lock
..
2. Select
Enable
, and then set
Delay Time
by pressing the
Up
or
Down
key.
In addition, you can go to
Menu
>
Settings
>
Radio Set
>
Optional Key
to
set whether the corresponding keys and knobs still work when the keypad is
locked.
Switching the Operation Mode
The radio can operate in conventional mode or trunking mode. In
conventional mode, you can receive and transmit voice and data after
selecting the required channel. In trunking mode, you can receive and
transmit voice and data after the radio registers successfully.
To switch the operation mode, do one of the following:
l
Go to
Menu
>
Mode
>
Manual Switch
, select the required mode, and
then press the
OK/Menu
key.
l
Press the preprogrammed
Operation Mode Switch
key.
To allow the radio to automatically switch to a mode based on signal
strength in trunking mode, go to
Menu
>
Mode
>
Auto Switch
, and then
select
Enable
.
Selecting a Zone and Channel
In conventional mode, the radio receives and transmits data and voice on
the selected channel. A zone is a group of channels within the same
operational area. Before selecting a channel, make sure that the current
zone contains the channel.
To select a zone, do one of the following:
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