Installing Direct (Or D.c.) Drive Lenses; Installing Video Drive Lenses - ADEMCO ACM574TP Installation Instructions Manual

1. Turn the back focus adjustment ring fully clockwise (when viewed from the front)—see
2. Fit the lens to the camera and connect it according to the diagram below.
3. Set the Auto Iris lens selector (switch 5, figure 1) to DD.
4. Turn the Electronic Iris (EI) and Automatic Gain Control (AGC) features OFF.
5. If the lens has a focussing ring fitted, set it to infinity (¥) and then adjust the back focus—
see
6. With typical scene illumination, set the DD Lens Level adjustment potentiometer (3, figure 1)
lens iris for the correct exposure. This can be achieved either visually, or by using an
oscilloscope to set the output of the camera to 1V peak-peak.
7. If the scene lighting conditions are extremely uneven, it may be necessary to adjust the DD
Peak Average potentiometer (4, figure 1)—see
8. Ensure the Automatic Gain Control (AGC) features is turned ON.
1. Turn the back focus adjustment ring fully clockwise (when viewed from the front)—see
2. Fit the lens to the camera and connect it according to the diagram below.
Lens supply (+)
3. Set the Auto Iris lens selector (switch 5, figure 1) to AI.
4. Turn the Electronic Iris (EI) and Automatic Gain Control (AGC) features OFF.
5. If the lens has a focussing ring fitted, set it to infinity (¥) and then adjust the back focus—
see
12
.
Damp (-)
Damp (+)
DD Lenses
.
.
.
AI Lenses
.

INSTALLING DIRECT (OR D.C.) DRIVE LENSES

Drive (+)
Drive (-)

INSTALLING VIDEO DRIVE LENSES

Video Drive signal
Lens Ground