Users Manual

3
2. Basic Operations
2.1 Charging the Battery
 Use the approved charger to charge the battery.
 Read the Safety Information Booklet before charging.
 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% 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.
2.2 Turning the Radio On or Off
2.2.1 Turning the Radio On
To turn the radio on, long press .
2.2.2 Turning the Radio Off
To turn the radio off, long press .
2.3 Adjusting the Volume
To increase or decrease the volume, rotate the Smart knob clockwise or counter-clockwise.