User's Manual

5.8GHz PDH User’s Manual
13
For example:
Whenever there is an alarm, the LCD back light will light for 2 mins. and the beeper sounds
goes off. Other than removing the alarm status or switching off the beeper status, we can
also switch off the beeper by pressing the ALT button. To switch on the beeper, please
enter the IDU Info/Buzzer: ON/OFF.
1. Message in the next page
2. Press this button to
read the next page
3. The first line of the LCD shifts towards the left