Approach Tech NVR-2018 User Manual download pdf (Page 45)

MAX REC RATE:

This option is the number of pictures recorded every second into a storage disk when an alarm input is

activated. There are 2 different record speeds you can select

UNLIMIT or REMAIN. If you select

REMAIN for use, the device will record images at the same speed as set on the REC page.

PRE- ALARM:

This option determines that images prior to an alarm occurs will be recorded in the hard-disk drive.

When an alarm is triggered the device will record the image prior to the alarm for up to 256 images.

ON: Enables this function.

OFF: Disables this function.

NOTE: If the device is already under recording mode before alarm occur, the pre-alarm

recording would not take effect.

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Approach Tech NVR-2018 User Manual Page 45