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AT-D878U Digital DMR and Analog UHF Two Way Radio
5. BASIC OPERATIONS
5.8
Emergency Alarm
Press top orange Alarm key to turn alarm function, then press this key
again to return.
In CPS - Public - Alarm Setting,check on the "Man Down" alarm box, it will
enable the Man Down Alarm function.
When the function is on, the radio will start an alarm if the radio is falling to
the ground. Raise the radio to stop the alarm.
Note:
When GPS is on and positioning successfully, it will auto send out
the GPS information when the radio starts the alarm.
5.9
Man Down Alarm
5.10
Battery Voltage Test
Press the key programed as Voltage function to check the current battery
voltage, press this key again to return.
a.
Power off the radio firstly.
b.
Then power it on while holding the [PTT] and the [PF1] button below the
PTT at the same time.
c.
Release the keys until the indicator lights blue color.
d.
The reset is done when radio finish reboot.
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