[Line-scan boundary] settings: click on the [line-scan boundary], as shown in the figure, by
choosing a camera left boundary line scan direction, and tap into the menu, as shown in the
following figure [left edge] button, and then through the direction buttons to select the camera
to the right edge of line scan, and click on the [right] button, complete the set of line sweep of
the road.
6.5 Voice intercom
6.5.1 Outline
DVR's talking, is through local DVR audio input and output, with remote clients or WEB-side
talk.
Remote client or WEB end voice intercom, embedded DVR local interface audio output
through the audio output.
Different types of DVR use two types of channel and separate channels, specific information,
please refer to the appropriate product specification sheet.