User's Manual

4.13 Roger Beep On/Off
After the TALK button released, the device will send out
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 TALK button to confirm your selection and return
to the stand-by mode.
4.14 Backlit display
Press any button except for the light button to activate the
display back light. The back light will light on 10 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 “TALK” button on the earpiece that has the same
function as the TALK button on the device.
When you use the TALK 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 in stand-by mode 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.