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Operation Guide Rapid View
© Ademco Video 2002 MNRDVO250602US Page 32
Chapter 5
The Sync RapidDome can adjust over a range of approximately 270
electrical degrees. It is possible that the required adjustment could be
trying to use the 90 degree 'hole' that cannot be used. To synchronize
such a camera, simply rotate the PHASE pot which is located on the
vertical circuit board inside the RapidDome that is being adjusted by
about a third of a turn, then repeat the adjustment from the RapidView.
If the CAMERA TO ADJUST is a sync RapidDome and the required
adjustment is in the 'hole' described above, then the SYNC
DIFFERENCE will show a constant value each time you attempt the
adjustment.
AUTO SYNC OF ALL CAMERAS
If a sync RapidView is used in a system that has several sync Rapid-
Domes, they can all be adjusted together as follows:
Select the ADJUST CAMERA SYNC menu and select the camera to
be used as the REFERENCE CAMERA. Press' AUTO'. The Rapid-
View will select all the cameras in turn, do the measurements, and
send the adjustment commands to all the cameras in the system. The
display will show ADJUSTING SYNCS after a few seconds it will
display FINISHED.
When the auto sync of the whole system is in progress the pictures will
flash as the cameras are selected. The second measurement on each is
not made and missing cameras do not cause an error message.
You will find it useful to use the 'PHASE' pot to deliberately set the
sync to be wrong so you can observe it being corrected by the Rapid-
View.
During manufacture and test at VCL, the sync RapidDomes will all be
set to a consistent phase setting with respect to AC+ (we shall define
which of the two AC power supply wires is to be called AC+). This
means that if a system of sync RapidDomes is installed and care is tak-
en to be consistent in the choice of pins used for connecting the AC
supply, then the cameras will already be synchronized (assuming that
all the power supplies are driven from the same phase of the mains.
This could be useful if the system does not use the new RapidView
It is possible to use the PHASE pots in the RapidDome to synchronize
the cameras manually, using an oscilloscope. But if the range of ad-
Summary of Contents for RapidView
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