User's Manual

Press the MENU button 5 times, “KO” will be displayed.
Press the UP▲/Down▼ button disable the key tone ON/OFF.
Press The PTT button to confirm your selection and return to the
stand-by mode.
4.13 Roger Beep On/Off
After the PTT button released, the device will send out a roger beep to
confirm that have stopped talking.
Press the MENU button 6 times, “RO” will be displayed.
Press the UP▲/Down▼ button disable the roger beep ON/OFF.
Press The PTT button to confirm your selection and return to the
stand-by mode.
4.14 Back-lit display
Press any button except for the MENU button to activate the back light
of the LCD display. The back light will light on about 5 seconds.
4.15 Earpiece connection
The device can be used with earpiece (If there is earpiece packed
together with the device).
The connector is located on the top of the device.
Insert the earpiece plug into the connector (2.5mm jack).
There is a “PTT” button on the earpiece that has the same function as
the PTT button on the device.
When you use the PTT button from the earpiece, you must also use
the microphone from the earpiece to talk.
Note: Do not connect other earpieces, it may damage your device.
4.16 Battery saving function
When the device has not been used for 6 seconds, the economy mode
is automatically activated. This does not affect the reception of
transmission and the stand by mode is automatically re-activated as
soon as a signal is detected.
4.17 Built-in Flash light
Your device has a built-in flash light that can be used in sending light
signals or for our lighting needs.
4.18 Lock & Unlock the device
Press and hold MENU button for 3 seconds to lock the device.
Press and hold MENU button for 3 seconds to unlock the device.