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C2496M-A (1/06) 13
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.
WARNING:
To prevent damage to the camera or lens, the camera must be installed in the
proper hole of the mounting bracket. If the camera is not installed in the correct hole, the
window of the enclosure may be forced against the lens.
HEATER
BOARD
ADJUSTMENT SLOT
FOCUS
ADJUSTMENT SCREW
BOTTOM VIEW OF CAMERA
WITH HEATER BOARD REMOVED
MOUNT CAMERAS WITH
6, 8, AND 12 MM AND
VARIFOCAL LENSES
MOUNT CAMERAS WITH
2.9 AND 3.6 MM LENSES