Honeywell HCCM674M, User Manual, Page: 11 / 32

800-11199 - E - 09/2012 11
4. If the lens has an auto-iris mechanism, connect
the lens cable to the lens connector.
• Video-iris lens: Set the lens type to VIDEO .
• DC lens: Set the lens type to DC .
Back-focus Adjustment
When a lens is mounted, it may need back-focus
adjustment. Adjust the lens focus ring only when the
correct focus cannot be obtained.
Fixed-Focus Lens
1. Fully open the iris and set the focus ring to
NEAR.
With an auto-iris lens, make sure that the lens is
pointed toward a dark area so that the iris is fully
open.
2. Loosen the two back-focus screws with a hex
wrench (supplied), and then turn the lens mount
to focus.
3. After adjusting the back focus, retighten the
back-focus screw. Do not overtighten.
Zoom Lens
1. Manual lens: Fully open the iris, set the zoom
ring to full WIDE, and then set the focus ring to
NEAR.
DC lens: Same zoom and focus settings as
above, but make sure that the lens is pointed
toward a dark area so that the iris is fully open.
You can also use an ND filter in front of the lens.
2. Loosen the two back-focus screws with a hex
wrench (supplied), and then turn the lens mount
to focus.
3. After adjusting the back focus, retighten the back
focus screw. Do not overtighten.
4. Confirm that the lens can be focused at full TELE.
Honeywell
HCCM674M
Back-focus screw