Basic Operations
Charging the Battery
l Read the Safety Information Booklet before
charging.
l Use the approved charger to charge the
battery.
l The remaining lithium-ion battery power is
limited to 30% pursuant to the new lithium
battery shipment regulation approved by
International Air Transport Association
(IATA).
Before initial use, charge the battery. You can charge
either the standalone battery or the radio with battery
attached. It is recommended that the radio remain
powered off during charging.
The LED indicator on the charger shows the charging
status. For details, see the following table.
LED Indicator Charging Status
Glows red The battery is being charged.
Glows orange
The battery is charged to 90%
LED Indicator Charging Status
or above.
Glows green The battery is fully charged.
Flashes red slowly
No battery is placed on the
charger.
Flashes red rapidly The battery fails to be charged.
Turning the Radio On or Off
To turn the radio on or off, press and hold .
Adjusting the Volume
To increase or decrease the volume, rotate the Smart
knob clockwise or counter-clockwise.
Selecting the Contact or
Channel
To select the contact or channel, press the Smart
knob, and then rotate the knob.
If you do not rotate the knob within 5s or if you
press it again within 5s, you can rotate it to adjust
the volume.
Locking or Unlocking the
Keypad
When the keypad is not in use, it is recommended that
you lock it to avoid unintended operations.
To allow the keypad to be locked automatically, do as
follows:
1. Go to Menu > Settings > Basic Settings >
Keypad Lock.
2. Enable AutoLock, and then go to Timed to set
the auto lock time.
If you do not operate the radio or if the radio receives
no call or message within the auto lock time, the
keypad is locked automatically.
To manually lock or unlock the keypad, do one of the
following:
l Press the preprogrammed Keypad Lock key.
l On the home screen, press the OK/Menu key,
and then press .
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