CONTROLLING SCAN ASSEMBLIES
The 18X True Day/Night and 23X Wide Dynamic Range & True Day/Night 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
PreShot 94 is reserved for Honeywell Maxpro mode, Honeywell VCL, Pelco P Code,
or Pelco D Code Control Systems.
The scan is set to manual control
The unit is powered down then
FREEZE / UNFREEZE VIDEO
The freeze/unfreeze video function described in
The flashback function described in
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.
can be invoked using PreShot 96.
can be invoked using