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10 Pelco Manual C1498M-B (7/99)
PAN AND TILT FUNCTIONS
Use your controller’s joystick to control pan and tilt operation.
• Fixed-Speed Controllers – Pan and tilt operation is at a fixed speed; the controller
determines the speed.
• Variable-Speed Controllers – Depending on the joystick’s position, standard pan
operation ranges from 0.5 to 80 degrees per second (dps); standard tilt operation
ranges from 0.5 to 40 dps. When performing preset operations, pan speed is 250 dps;
tilt speed is 200 dps. In turbo mode, pan speed is 150 dps, while turbo mode does not
affect tilt speed.
AUTO FLIP
When the camera tilts down and just beyond vertical, the dome rotates 180 degrees. When
the dome rotates (flips), the camera starts moving upward while you continue holding the
joystick in the down position. Once you release the joystick after the dome rotates, joystick
control returns to normal operation. Auto-flip is useful for following someone who passes
directly beneath the camera. You can disable this feature in the auto flip programming menu.
SCAN SPEED
Scan speed is adjustable from 1 to 40 degrees per second through the programming menu.
ZOOM
The Spectra
Lite™ dome can magnify an object up to 16 times (16X of optical zoom).
Zoom Telephoto – Press and hold down the Zoom Tele button or turn the joystick
clockwise until you have the picture you want.
Zoom Wide – Press the Zoom Wide button or turn the joystick counterclockwise to
increase the field of view.
PRESET FUNCTIONS
The Spectra
Lite™ dome can go to 32 preset locations, each with a 20-character label.
Presets are numbered 1-32. Refer to your control system documentation for programming
presets.
When doing a preset operation, the amount of error in moving to the pan and tilt positions is
1/2 degree. You may get erratic operation if you command the dome to go to an undefined
preset.
Presets 33 and 34 are fixed commands (you cannot program them). Preset 33 is the “flip”
command, which pans the dome drive 180 degrees from its current position. Preset 34 is
the “pan zero” command, which directs the dome drive to the factory-determined zero
reference point. The following presets are reserved for special functions.
Preset Function
1 Park
33 Flip command
34 Pan zero command
90-93 Limit stops
95 Select camera programming menu
96 Stop a scan
97-99 Activate scanning
In the following sections, sometimes a number in parentheses follows a preset. This second
number is for 32-preset mode (conversion that lets Pelco’s presets work with American
Dynamics controllers). If you are using an American Dynamics controller, use the number in
parentheses.
RANDOM, FRAME, AND AUTO SCANNING
Program preset 97 (30) to start random scanning. Program preset 98 (31) to activate frame
scanning (three seconds of scanning followed by a three-second pause). Program preset
99 (32) to start auto (continuous) scanning.
NOTE:
For American
Dynamics controllers with
only 32 presets, set switch
SW1-7 on the dome drive in
the ON position. When
SW1-7 is ON, preset
99 becomes 32
98 becomes 31
97 becomes 30
96 becomes 29
95 becomes 28
94 becomes 27
93 becomes 26
92 becomes 25
91 becomes 24
90 becomes 23
If the limit stops are turned
off (refer to the
Limit Stops
section), presets 23-26 can
be used as regular presets.