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7.12.4
Motor Drive, Continued
Switch Settings
The use of the motor drive switch SW3 is summarized in the table below. Following is a
more detailed description of the use of each switch.
SW3
1
2
3
4
5
6
7
8
SW3-1 Lens Voltage
This switch sets the voltage required to control zoom, focus and manual iris on the
camera lens.
SW3-2 Not Used
SW3-3 Auto Home
If this option is enabled, the PTZ returns to the preset position of view 0 after one minute
of no operation. Note that View 0 must be set before this function can operate.
SW3-4 Pan/Tilt Inversion
Allows the camera to be invert mounted on the pan/tilt unit. Setting this switch ON will
reverse pan left/right and tilt up/down outputs from the RD379, so that the camera can
be invert mounted, yet maintaining the wiring connections as per connection data.
SW3-5 Focus/Zoom Inversion
Manufacturers of lenses vary the use of +ve or –ve for in/out lens functions. This switch
is set to ensure the button function on the keyboard matches the actual operation
performed. This must be set correctly for the pan/tilt dynamic speed control from zoom
position to operate.
SW3-6 I/O Fitted
If the optional IO-378 board is fitted, then this switch must be switched ON. This allows
for seven additional alarm inputs and eight voltage free contact control outputs to
operate at the site as well as manual iris control.
Rev. C
DESCRIPTION
Lens Voltage
Not Used
Auto Home
Pan/Tilt inversion
Focus/Zoom inversion
I/O fitted
Speed 1
Speed 2
ON
OFF
6 Volt
12 Volt
Enabled
Disabled
Inverted
Normal
Inverted
Normal
Enabled
Disabled
Ref to table
Ref to table
7.12-6
FACTORY
ON
OFF
OFF
OFF
OFF
OFF
HMXMU001018
10/06
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