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5-2 Line-Lock Control
• Matching the vertical synchronization with the power frequency is called the Line-
Lock.
• This function is activated when the SYNC menu is selected to LL.
• 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.
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. LINE-LOCK PHASE” for adjustment.
CAMERA1
VIDEO SWITCHER
Video Monitor
TO AC 24V UL Listed
class 2 power supply
CAMERA2