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Pelco Manual C2423M (5/00) 7
AUXILIARY OUTPUTS
An AUX 1 command from the controller will activate the relay in the dome and operate the
device that is connected to the relay. The relay will remain latched until a clear command is
issued.
An AUX 2 command from the controller will place a ground at the output of AUX 2 to
operate the device that is connected to it. The output will remain latched until a clear
command is issued.
The output relay can also be programmed so that it is activated when any alarm input is
activated. When latching (toggling) is selected on the programming menu, giving the AUX 1
command from the controller changes the state of the AUX (for example, if it was on, this
turns it off.) The clear command from the controller will turn the AUX off in the latching or
toggle mode.
PARK
If the dome does not receive any commands for a specified period of time (refer to
Park
Time Minutes
in the
Programming
section), the dome will go to preset 1 and park. If the
time specified is zero, or if preset 1 has not been programmed, the dome will not park.
The default is zero minutes.
IR FILTER
The Spectra II color/black and white dome has an IR (infrared) cut filter in the lens that
switches in and out, automatically or manually, depending on how the dome is
programmed. Automatic operation is controlled by the Auto IR Level setting. Manual
operation is controlled by presets 88 (filter IN) and 89 (filter OUT).
The dome also has two settings that enhance viewing in low light: the Auto IR Level and
Slow Shutter Mode.
The IR filter level is the light level at which the lens switches IN or OUT. When the filter is
IN, the camera produces a color picture. When the IR filter switches OUT, the picture
changes to black and white, increasing visibility in low light conditions.
The slow shutter mode electronically extends the shutter time, providing greater sensitivity
in low light conditions. The picture may appear rough or smeared, depending on the dis-
tance and motion of the viewed image. This feature operates with the IR filter IN or OUT.
LOW LIGHT does not mean NO LIGHT. Some type of illumination is required
(street light, IR light, etc.). The camera is not sensitive to IR light when the IR cut
filter is IN.
AUTO IRIS
If auto iris is in the auto mode, it remains that way until you manually open or close the iris.
The dome will return to auto iris when it is panned or tilted more than 15 degrees. If there is
not enough light for a good picture when the iris is wide open, you can increase the gain of
the camera to improve the picture.
To increase the gain:
1. Hold down the Iris Open button until the iris is wide open.
2. Release the button.
3. Within one second, hold down the button again. This starts increasing the camera
gain. Hold down the button until a desirable picture is obtained or the maximum gain is
reached.