2 Pelco Manual C520M Rev B (6/92)
Random scan is an effective deterrent to would-be in-
truders because it follows no predictable pattern. The
scan direction varies randomly as does the scanning
time and dwell time (4-60 seconds). Random scan
makes it impossible for intruders to “beat the system”
because it has none.
Random scan is not only a powerful weapon to protect
your premises, but it also increases your equipment life
by over 100% while decreasing maintenance costs. Its
shorter duty cycle reduces gear train and drive motor
wear, cable fatigue and motor temperature rise. Ran-
dom scan also offers you the flexibility of continuous
auto scan operation with a time delay that automati-
cally returns operations to Random Scan after 30 min-
utes in continuous auto scan.
3.1 MODELS
MPT24DT Desk top joystick control module,
120 VAC input, for use with 24 VAC
pan/tilts. (UL)
MPT24DT/220 Same as MPT24DT except 230 VAC
input. (CE)
MPTA24DT Desk top joystick control module, 120
VAC input, capable of auto/random
scan operation for 24 VAC pan/tilts.
(UL)
MPTA24DT/220 Same as MPTA24DT except 230
VAC input. (CE)
MPT115DT Desk top joystick control module, 120
VAC input, for 120 VAC pan/tilts.
(UL)
MPTA115DT Desk top joystick control module, 120
VAC input, capable of auto/random
scan operations for 120 VAC pan/tilts.
(UL)
MPT220DT Desk top joystick control module,
230 VAC input, for use with 230
VAC pan/tilts.
MPTA220DT Same as MPT220DT except capable
of auto/random scan operation.
3.2 OPTIONS
C06HWC Pre-wired interconnecting cable, 6 foot
(1.82 m), for use with hard-wire con-
trols using 14-pin control connector.
(UL)
DT200 Dual desk top mount kit; two units
can be mounted side-by-side in one
desk top chassis.
R300 Rack kit for up to three control mod-
ules. Blank filler panels provided for
less than three modules.
RB115 Relay box for 120 VAC pan/tilts and
scanners. Extends operating distance
(control to relay box) up to a maximum
of 13,000 feet (3,962 m) utilizing 16
Awg.
RB24 Relay box for 24 VAC pan/tilts and
scanners. Extends operating distance
(control to relay box) up to a maximum
of 13,000 feet (3,962 m) utilizing 16
Awg.