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14
VAD-2 Plus Installation and Operation Manual
OPERATION
SS
led ON with valid audio.
SS
led OFF with NO audio.
SS
led flashes if enabled and in an alarm condition.
Pwr
led ON if powered.
Pwr
led flashes if PF is enabled and in an alarm condition.
Pwr
led OFF during a valid DTMF tone.
Pwr
led OFF in voice record mode.
Hook
led ON when in an off-hook condition.
K1
led ON when K1 is closed or energized.
K2
led ON when K2 is closed or energized.
PGM
led ON when in programming mode.
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