40
12. Q: Why doesn’t alarm work?
A: Please check if the alarm setting, alarm connection and alarm input signals are
correct.
13. Q: Why does buzzer keep alarming?
A: Please check the alarm setting, check if motion detection function is enabled and
object motion is detected all the time and if I/O alarm is set as Always Off. Besides,
refer to corresponding HDD alarm setting.
14. Q: Why can’t I stop recording by pressing “STOP” button or click “Stop Recording” in
context menu?
A: Pressing Stop button can only stop manual record. If you want to stop Scheduled
recording in certain time quantum, please change the setting to No Record. To stop
Startup recording, please change record mode to scheduled recording or manual
recording. Then you may stop recording by the prescribed methods. And another
way of stopping recording is to set channel in record setting as Off.
6.2 Usage Maintenance
1. To shut down NVR, please firstly shut down the system and then turn off the power.
Do not turn off the power directly or HDD data will be lost or damaged.
2. Please keep NVR away from heat sources or places.
3. Clean the internal dust regularly. Make sure the good ventilation of NVR so as to
ensure the good heat dissipation.
4. Please do not hot plugging cables at ports, or the ports may be damaged.
5. Please check the HDD cable and data cable regularly to see if they are ageing.
6. Please prevent the audio and video signals of NVR from being intervened by other
electronic devices, and prevent the HDD from being damaged by static electricity and
induced voltage.
7. If the network cable is frequently plugged, it is suggested to replace connecting line
regularly, or the input signal may be unstable.
8. This is A class product. it maybe bring wireless interference in life. Under this situation,
it need user to make measures.
Note: In case of incorrect installation and improper use in a residential area, the interference to radio
devices and other electronic devices could be caused. It is recommended to use the device where
applicable with shielded cables (also shielded with networking products of cable Category 5e and higher).
The device was tested to comply with the limits for Computer and IT accessories of Class A according to
the requirements of EN 55022.
Warning: This product complies with the test class A - It may be used in the living area but could cause
radio interference; in this case, it may be demanded by the operator to take appropriate corrective action
at his/her own expense. Declaration of Conformity: The device meets the EMC requirements according
to EN 55022 class A and EN 55024 for ITE category with external or built-in power supply to meet the
requirements of EN 61000-3-2 and EN 61000-3-3 according to the EMC Directive 2004/108/EC. The
declaration of Conformity can be requested by post at the following manufacturer
address.
www.assmann.com
ASSMANN Electronic GmbH
Auf dem Schüffel 3
58513 Lüdenscheid
Germany
