AVerMedia Technologies AVERDIGI EB1304 - Manual (Page 11)

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1.5.2 Connecting Devices
The back panel of the DVR unit, user can connect up to 4 video cameras, 4 sensor
devices, 1 alarm device and output video to a TV or CRT/LCD monitor. Connecting
the unit to a pen drive or external hard disk through USB connection for backup,
then use the bundled software enables user to transfer, playback and segment the
video.Follow the illustration below to make the connection:
Each time user changes the video display output, the power must be
UNPLUGGED
and PLUGGED to reset
1.5.3 Connecting the Sensor/Relay device
The Sensor and Alarm ports enable you to connect (4) sensor inputs and (1) relay
outputs. Just connect the external sensor and relay pin directly to the pinhole.
Check the table below and locate which pinhole is assigned to sensor input and
relay output.