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C2403M-C (10/05) 11
AUTO IRIS LEVEL ADJUSTMENT
If you have a varifocal lens or fixed focal length lens with an auto iris, you can adjust the level setting
to increase or decrease brightness.
FOCUS ADJUSTMENT FOR FIXED FOCAL LENGTH LENS WITH
AUTO IRIS
To adjust the focus, it may be necessary to remove the heater board in order to loosen the locking
screw on the bottom of the lens.
To remove the heater board:
1. Disconnect the four-pin heater wiring.
2. Wait for the heater elements to cool if they are hot.
3. Press on an end of the board.
To adjust the focus:
1. Loosen the locking screw on the bottom of the lens.
2. Move the screw in the slot to bring the picture into focus.
3. Retighten the locking screw.
4. Replace the heater board if it was removed.
5. Reconnect the four-pin heater wiring.
WARNING:
Heater elements could be hot! When camera power is on, use caution when
adjusting the camera.
AUTO IRIS LEVEL
ADJUSTMENT
FIXED LENS
504
504
E
IRIS LEVEL
ADJUSTMEN
T
VARIFOCAL LENS
HEATER
BOARD
FOCUS
ADJUSTMENT SCREW
ADJUSTMENT SLOT
BOTTOM VIEW OF CAMERA
WITH HEATER BOARD REMOVED