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8.3
CONTROLLING SCAN ASSEMBLIES, CONTINUED
•
Model 843216-1011 and 843216-1013 cameras also have a NightShot mode that
can be set to auto or manual mode of operation. If the camera goes into the slow
shutter mode as described above and reaches the programmed auto NightShot
setting, the camera automatically pulls the IR filter and goes to black and white to
increase the video sensitivity.
•
The IR block filter in the cameras can be controlled manually through the setup
menus or by sending the scan to a preprogrammed PreShot reserved for the
NightShot mode.
PreShot 99 is reserved for Diamond Series Control Systems.
PreShot 94 is reserved for Maxpro Series, Pelco P Code, Pelco D Code, or
VCL Control Systems.
If:
The scan is set to manual control
The unit is powered down then
back up
8.4
FREEZE / UNFREEZE VIDEO
The freeze/unfreeze video function described in
PreShot 95.
8.5
FLASHBACK OPERATION
The flashback function described in
Rev. D
Then:
•
Iris Open on the controller lightens the
scene.
•
Iris Close on the controller darkens the
scene.
In manual exposure control mode, the shutter
first goes from 1/10000s to 1/60s (1/50s). The
iris then goes from F22 to F1.4 (F3.1) and the
gain goes from 0dB to 28dB. Finally, the shutter
goes from 1/60s (1/50s) to 1.0s.
The scan comes back up in the iris mode it was
in when it was powered down.
Section 6.4
Sections 6.5
can be invoked using PreShot 96.
64
can be invoked using
KDMU000799
02/6/04
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