Filter
Top Products
Zooming and Focusing procedure:
1. Apply zoom control signals to
set the zoom to “TELE” end.
2. Apply focus control signals and
align focus.
3. Apply the zoom control signals
to set the required angle of field.
4. If the image becomes out of
focus due to zooming, adjust the
back focus (see below).
Back Focus Adjustment:
4-wire control
3-wire control
(which can be focused on
easily).
2. Set the zoom to “WIDE” and
align the focus with the camera
(refer to the camera
instructions).
3. Set the zoom to “TELE” and
align the focus with the lens.
4. Repeat the above procedures
several times until the focus at
both ends of the zoom range
(WIDE and TELE) are most
appropriate.
Cable Connection
Focus/Zoom (8-Pin Female Connector)
Pin Polarity Direction
Focus 6 + Inf.
5 -
6 - Near
5 +
Pin Polarity Direction
Zoom 6 + Wide
4 -
6 - Tele
4 +
| 4833 CTL3 | NE Installation Instruction
Bosch Security Systems | 06 2003 | Version 93584
LTC3384_IN_93583.qxd 6/26/03 2:35 PM Page 3
Pin Polarity Direction
Focus 2&6 + Inf.
5 -
2&6 - Near
5 +
Pin Polarity Direction
Zoom 2&6 + Wide
2&6: Connect pins 2 and 6 together
4 -
2&6 - Tele
4 +