48 Pelco Manual C1456M-D (10/98)5.11.21 Limit Stops
There are two types of limit stops:
Manual limit stops
Scan limit stops
When manual limit stops are set, a manual (joystick) pan operation will stop when a
limit stop is reached.
When scan limit stops are set, the dome will reverse direction during random, frame,
or auto scanning when a limit stop is reached.
Limit stops are controlled by software. To set limit stops:
1. Turn on the limit stop mode.
2. Program the limit stops.
5.11.21.1 Turning Limit Stops On or Off
To change the limit stop mode:
1. Program preset 95 (28 if in 32-preset mode; refer to Section 5.4, PRESET
FUNCTIONS) to access the main menu (refer to Section 5.11.1, MAIN MENU
ACCESS). The main menu will appear.
2. If the cursor (>) is not beside Other, move the joystick up or down to position
the cursor beside Other.
3. Press the Iris Open button to enter the Other submenu.
4. Move the joystick up or down to position the cursor beside Limit Stops.
5. Press the Iris Open button. A star will appear beside Limit Stops and the cur-
sor will move to the right beside the word On or Off.
6. Move the joystick up or down to toggle between On and Off.
7. SELECT - Press the Iris Open button on your keyboard to select your choice.
CANCEL - Press the Iris Close button if you do not want to change the setting.
5.11.21.2 Programming Limit Stops
Manual Limit Stops
1. Make sure the limit stops are turned ON (refer to Section 5.11.21.1, TURNING
LIMIT STOPS ON OR OFF).
2. Program preset 90 (23) for the left manual stop and preset 91 (24) for the right
manual stop. Refer to the documentation for your control system for program-
ming presets. Program preset 90 (23) first and then program preset 91 (24). If
presets 90 (23) and 91 (24) are set for the same point, the manual limit stops
will be disabled.
Scan Limit Stops
1. Make sure the limit stops are turned ON (refer to Section 5.11.21.1, TURNING
LIMIT STOPS ON OR OFF).
2. Program preset 92 (25) for the left scan stop and preset 93 (26) for the right
scan stop. Refer to the documentation for your control system for program-
ming presets. Programming preset 92 (25) disables the scan limit stops until
preset 93 (26) is set. If presets 92 (25) and 93 (26) are set for the same point,
the scan limit stops will be disabled.
NOTE:

Programming preset 90

(23) disables the manual limit

stops until preset 91 (24) is set.