QSee QSNDVR9M User Manual page 44

SENSOR DETECTION: Each channel matches a relevant Sensor, for example, Channel 2 is linked to
Sensor 4, if the Sensor 4 gives analarm, the alarm information will be given on the picture by channel 2
(Fig 3.2.18 Setup sensor detection), the "□" means that the channel can not be detected, "V" means that the
channel can be detected.
OPTIONS: (Fig 3.2.19 Setup record time)
POST-RECORD TIME: The length of the recording time after alarm is triggered. You have five
options to choose: 10 seconds, 30 seconds, 1 minute, 5 minutes and 10 minutes.
PRE-RECORD TIME: The length of the recording time before alarm triggered. You have five options
[ S E T U P - R E C - E V E N T (S / D ) ]
F i g3 . 2 . 1 8 S e t u p s e n s o r d e t e c t i o n
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