6.6. Volume control
The earphone volume can be adjusted in 12 steps. Changing of the volume level is indi-
cated be beep sounds. A high pitch beep sound indicates reaching the highest volume,
and a low pitch sound indicates reaching the lowest volume.
6.7. Audio Menu
- The radio features an audio menu for setting different options. For example, selection
of preferred headset model or radio number.
- Menu button is pressed to access menu mode.
- Volume buttons are used to change a setting.
- Conrmation button is used to conrm the selected setting.
- Pressing the menu button several times, steps between the menu options.
- Exit menu to normal operation i.e. Volume buttons go back to changing volume, is
done after conrming a selection, or automatically after three seconds if not pressing
any buttons. A selected parameter is not stored if exit menu occurs automatically after
the three second time-out.
6.7.1. Battery status
When in normal operation, pressing and releasing the Bluetooth button within 2 sec-
onds activates a battery status message. (Battery High, Battery normal, battery low)
6.8. Charging
- Charging is indicated by the red LED being active.
- Charging nished in radio off state is indicated by turning the red LED off and turning
the Green LED on.
- Charging nished in radio on state is indicated by turning the red LED off. The green
LED indicate status normally.
- Charging time is less than 4h.
6.8.1. Operational time
Operational time with a fully charged battery is at least 12h under the following
conditions: Maximum radio transmission power, 10% speaking time, and 0 degrees
Centigrade ambient temperature.
