User`s manual

1.3 DIP Switch Setting
Fan Power Switch
Turn the number 2 switch to ON position to activate the internal fan. This will maintain the temperature inside and
make electric parts life.
Alarm Mode Switch
Alarm Mode can be set as Lock or Release mode. Turn number 1 switch to ON position to choose Release mode.
Turn number 1 switch to OFF position to choose Lock mode. The NDC has 6 alarm inputs and 1 output, which
can be set either NC (normally close) or NO (normally open) mode. Turn number 2 switch to NO position to
choose NC mode. Turn number 2 switch to OFF position to choose NO mode.
Camera Function Switch
For UNC7825-O, UNC7825-OW (25X optical lens model) and UNC7825-O T, please refer to “5. Advanced Settings for
UNC7825-O”, “6. Advanced Settings for UNC7825-OW” and “7. Advance Settings for UNC7825-OT” for details.
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