FAQ
148
18. Alarm signal cannot been disarmed.
There are the following possibilities:
Alarm setup is incorrect.
Alarm output has been opened manually.
Input device error or connection is incorrect.
Some program versions may have this problem. Please upgrade
your system.
19. Alarm function is null.
There are following possibilities:
Alarm setup is incorrect.
Alarm cable connection is incorrect.
Alarm input signal is incorrect.
There are two loops connected to one alarm device.
20. Remote control does not work.
There are the following possibilities:
Remote control address is incorrect.
Distance is too far or control angle is too small.
Remote control battery power is low.
Remote control is damaged or DVR front panel is damaged.
21. Record storage period is insufficient.
There are the following possibilities:
Camera quality is too low. Lens is dirty. Camera is installed against
the light. Camera aperture setup is incorrect.
HDD capacity is not enough.
HDD is damaged.
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