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Sony WatchCorder EVT-820 Operating Instructions Manual page 18

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A door switch or alarm sensor can be used to trigger alarm recording. During alarm recording, the 12 hour (12H) time mode
setting is automatically selected, to provide detailed picture information, and a voltage of +5V is applied to the connected
equipment.
Alarm Sensor Connection
.
Commercially
ALABM OUT.
Fe
available
switching box, etc.
ALARM IN
Commercially
available alarm sensor
wt,
: Signal flow
Selecting the Alarm Recording Period
ALARM
REC PERIOD |
Alarm recording continues:
MAN
o—_------__—___
for as long as sensor is ON
2 MIN
eee
U ~---- for 2 minutes after sensor was activated.
10 SEC
e---
es
anne for 10 seconds after sensor was activated.
ghee
aad
Other recording period settings are also possible. Please consult your Sony dealer for details.
18

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