Grundig GRA-D1104B, Owner'S Manual

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- For a stable operation of the product, it is recommended to use the provided adapter (12V, 5A).
- Make connection when the power is not applied yet.
- Arrange up the cables and be careful not to peel off the cable coating.
- Do not place the power cord under the carpet or rug. The power cord is usually earth-grounded. However,
even if it is not earth-grounded, do never modify it on your own for earth-grounding.
- Do not insert multiple devices in a single power socket. Otherwise, it may cause a power overload.
4.4.3. Alarm I/O Connection
1. While pressing and holding the [A1] or [A2] port button in the rear bottom of the DVR, insert the alarm signal
cable into the hole under the button.
2. Insert the grounding wire into the [GND] port.
3. To ensure a secure connection, release the button and try to pull the wire to check if it is firmly seated in the
port.
4. To remove the wire, pull it out while holding the upper button.
Connecting the alarm output signal :
Connect the signal line of an alarm output device to the rear [ALARM OUT] port.
1. Check the relay output type of Normal Open or Normal Close before selecting a proper type (N/O or N/C).
While holding the [N/O] or [N/C] button, put the alarm signal cable into the hole under the button.
- N/O (Normal Open) : Normally Open but switches to Close if an alarm out occurs.
- GND : Insert the grounding wire.
- N/C (Normal Close) : Normally Close but switches to Open if an alarm out occurs.
2. Insert the grounding wire in the [GND] port.
3. To ensure a secure connection, release the button and pull out the wire to check if it is not pulled out.
4. To remove the wire, pull it out while holding the upper button.
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