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14 Pelco Manual C1471M (10/98)
4.3 ZOOM
The Spectra
®
Lite dome can magnify an object up to 12 times (12X of optical
zoom).
Zoom Telephoto - Press and hold down the Zoom Tele button until you have the
picture you want.
Zoom Wide - Press the Zoom Wide button to increase the field of view.
4.4 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 posi-
tion. 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 (Section 4.7.12)
33 Flip command (Section 4.4)
34 Pan zero command (Section 4.4)
90-93 Limit stops (Sections 4.5 and 4.7.11)
95 Select camera programming menu (Section 4.7.1)
96 Stop a scan (Section 4.5)
97-99 Activate scanning (Section 4.5)
4.5 RANDOM, FRAME, AND AUTO SCANNING
Program preset 97 (30) to start random scanning. Program preset 98 (31) to acti-
vate frame scanning (three seconds of scanning followed by a three-second pause).
Program preset 99 (32) to start auto (continuous) scanning.
Software controls scan limit stops. When the dome reaches one, it immediately
reverses direction. Refer to Section 4.7.11, LIMIT STOPS, to program the scan
limit stops. Program preset 96 (29) to stop a scan. Any pan and tilt or lens com-
mand also stops a scan.
NOTE:
For AMERICAN DYNAM-
ICS controllers with only 32 pre-
sets, set switch SW1-7 on the
dome drive in the ON position.
When SW1-7 is ON, preset
NOTE
:
In the following material,
sometimes a number in parenthe-
ses follows a preset. This second
number is for 32-preset mode
(conversion that lets Pelco’s pre-
sets work with American Dynam-
ics controllers). If you are using an
American Dynamics controller,
use the number in parentheses.
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 (re-
fer to Section 4.7.11.1), presets 23-
26 can be used as regular presets.