Q-See QSNDVR16M 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 an alarm, 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
[SETUP -RE C-E VENT(S/D)]
Fig3.2.18 Setup sensor detection
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