IC Realtime NVR-604V Product Manual - Page 146
Alarm function is null.
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z System uses too much CPU resources. Please stop record first and then begin backup. z Data amount exceeds backup device capacity. It may result in burner error. z Backup device is not compatible. z Backup device is damaged. 17. Keyboard can not control device. There are following possibilities: z Device serial port setup is not correct z Address is not correct z When there are several switchers, power supply is not enough. z Transmission distance is too far. 18. Alarm signal can not been disarmed. There are following possibilities: z Alarm setup is not correct. z Alarm output has been open manually. z Input device error or connection is not correct. z Some program versions may have this problem. Please upgrade your system. 19. Alarm function is null. There are following possibilities: z Alarm setup is not correct. z Alarm cable connection is not correct. z Alarm input signal is not correct. z There are two loops connect to one alarm device. 20. Remote control does not work. There are following possibilities: z Remote control address is not correct. z Distance is too far or control angle is too small. z Remote control battery power is low. z Remote control is damaged or device front panel is damaged. 21. Record storage period is not enough. There are following possibilities: z Camera quality is too low. Lens is dirty. Camera is installed against the light. Camera aperture setup is not correct. z HDD capacity is not enough. z HDD is damaged. 22. Can not playback the downloaded file. There are following possibilities: z There is no media player. z No DXB8.1 or higher graphic acceleration software. 137