Night Owl Optics Zeus-DVR ユーザーズマニュアル

User’s Manual 

18 

 

 

 Set action when motion is triggered. 

Set action when external alarm is triggered. 

Set action when HDD is operating irregularly. 

Set this to trigger the alarm(s) when the 

“HDD Overwrite” option is disabled and the HDD is full. 
Video Loss: 

Set this to trigger the alarm when any of the 

camera signal is distorted or loss. 
ALARM Time

: Configure these options for how long the 

external and built in buzzer will react when alarm is 

triggered. 
Pre Record

: Your DVR temporarily store 5 seconds of 

video before any alarm is triggered.    Set this to “ON” if you 
would like the pre-recorded 5 seconds to be saved to your 
HDD also. 

 

 

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“Playback” Functions to open the RECORD SEARCH 
menu.   
To search for a file, enter specific date and click 
“SEARCH”, you will find all the recordings of that day. You 
can play video Forward at 2x, 4x, and 8x speeds, Slow 
play at 1/2x, 1/4x, 1/8x, or normal play, pause and play 
frame by frame using the playback control bar, and adjust 
volume by clicking or sliding tune control bar. When 
playback is finished, system will return to previous menu. 

You can select a file and push the Select button to playback the file, or use the FWD button 
and down button to select options or backup the recorded file you selected. You can also put 
a check mark in the box at the end of multiple files if you want to backup more then one file at 
a time.