SILVA ADC Summit - Manual (Page 51)

Altimeter Mode -
Altitude Alarm
14.5
Altitude Alarm
Altitude Alarm Sound
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The ADC is equipped with an altitude alarm.
That alarm alerts user when the current
altitude is equal to or higher than the preset
altitude level.
Check the 'Setting the Altimeter Mode'
section below for more detail on how to set
the altitude level for the alarm.
In Altitude Mode: When the current altitude is
equal to or higher than the preset altitude
level, the ADC starts beeping for about 5
seconds.
After the first beeping, the ADC will beep
again for every 2 minutes if the current is still
equal or higher than the preset value.
The repeated alarm beeps will stop until the
altitude is equal or higher than the preset
value or the Altitude Alarm is set to OFF.
The Altitude Alarm
0
Altitude
Time
Desirable Range
Undesirable Range
'beep'
for 5
seconds
(every 2
minutes)
preset
altitude
level