5-2 Line-Lock Control
•Matching the vertical synchronization with the power frequency is called the Line- Lock.
•This function is activated when the LL of Mode Setting Switch is on.
•When two or more cameras are switched by the video switcher for viewing by a monitor TV, the vertical sync. phase can be locked with the power frequency, and a stable vertical sync. is obtained without being disturbed at the time of switching.
Video Monitor
VIDEO SWITCHER
CAMERA1
TO AC 24V UL Listed class 2 power supply
• When connecting to DC power supply, the
CAMERA2
Note :
•The camera is synchronized to the power frequency of 60± 1Hz covering a normal fluctuation of the power frequency. However, the camera may not cover a large fluctuation caused from the power generated by an engine generator, etc.
•It takes about 10 seconds or more until a stable synchronization is obtained after the power is turned on. This is normal, because several seconds are required to stabilize the camera against power noise.
•Refer to “7.
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