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4-2. Line lock Control
• Matching the vertical synchronization with the power frequency is called the Line Lock.
• To activate the line lock, set the LL switch to ON.
• When two or more cameras are switched by the video switcher for viewing with a display monitor
the vertical synchronization phase can be locked to the power frequency for a stable vertical
synchronization.
Camera 1
Camera 2
Note:
• The camera is synchronized to the power frequency of 60 1 Hz covering a normal fluctuation of
the power frequency. However, the camera may not cover a large fluctuation caused from the
power generated by a generator, etc.
• It takes approximately 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 section 7. "LINE LOCK PHASE" for adjustment instructions.
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1
ON
OFF
BNC Connector
Connector
manuals search engine
2 3 4
Line Lock
Video Switcher
To 24V AC UL Listed
Class 2 power supply.
• When connecting to DC power supply,
the Line Lock function is not activated.
- 7 -
Display Monitor
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