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Preset Memory
Serial Communication
www.camboard.de
CAMBOARD Electronics
The DDS 100 preset memory contains 130 locations that store scan rates
and associated size, zoom, pan, centering, and filter controls. The 30
user presets can be changed or erased. The remaining locations are
factory-loaded, permanent presets that cannot be changed or erased.
When a video input is connected, the scaler automatically scans the user
presets and then, if necessary, the factory presets, looking for a match to
the input scan rate. If a match is found, the stored settings become the
active settings. If no match is found, a user preset is created
automatically using the default settings. If the user preset memory is
full, the new user preset overwrites the oldest user preset.
If a user preset is active and changes are made to the zoom, size, pan, or
filter controls, the changed settings are stored automatically in the
preset memory for the active scan rate. If a factory preset is used and
changes are made to the zoom, size, pan, or filter controls, a new user
preset that includes the new settings is created.
Preset memory does not include selections from the configuration
controls menu. The scaler uses only the most recently applied
configuration controls selections.
The DDS 100 RS-232 connector can be connected to the serial port output
of a host device such as a computer or control panel. This connection
makes software control of the scaler possible. Figure 9 shows a DDS 100
RS-232 connection to a host serial port connector.
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Figure 9 — DDS 100 scaler RS-232 to host connection
Tel. 07131 911201
Fax 07131 911203
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RS-232
Control Cable
Computer Control
Continued on the next page
ce-info@camboard.de
DDS 100 Operation
3-7
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