EverFocus EHD650 - Manual (Page 13)

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e. Optional connect to Alarm(Please see figure 8 for terminal functions)
f. V. Phase adjustment screw is located on the termination board. The vertical phase
may require adjustment to synchronize the vertical phase of the camera with other
camera in the system when it is to be used in the line-lock sync mode. Make the
adjustment when the vertical phase of the camera does not match with other cameras.
Video Alarm COM
Micro Switch for Alarm trigger
GND
Alarm NO
Alarm NC
Power In (+)
V. Phase Adjustment VR
Power In (-)
Terminal Board
Figure 8
White (+)
Black (-)
Figure 9