Toshiba IK-DF01A User Manual
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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
• 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.
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.
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.
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
class 2 power supply
CAMERA2