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, do one of the following from the home
screen:
l
Press the preprogrammed
Keypad Lock
key.
l
Long press (2s by default) the
P3
key.
To allow the keypad to be locked automatically, enable the Keypad Lock
feature as follows:
1. Press the
OK
/
Menu
key from the home screen, and then go to
Settings
>
Radio Set
>
Keypad Lock
.
2. Select
Enable
, and then set
Timed Set
by pressing the
Up
or
Down
key.
In addition, you can go to
Settings
>
Radio Set
>
Lockable Key
to set
whether the corresponding keys and knobs still work when the keypad is
locked.
Selecting a Zone and Channel
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:
l
Press the
OK/Menu
key, select
Zone
, and then select the required zone.
l
Press the preprogrammed
Zone Up
or
Zone Down
key.
To select a channel, rotate the
Channel Selector
knob.
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