Faq - ROHS SV-HVR2800 series User Manual

contains 625 scan lines at 50Hz.
11. PTZ: Acronym for Pan, Tilt, Zoom. PTZ cameras are motor driven systems that
allow the camera to pan left and right, tilt up and down and zoom in and out.
12. USB: Acronym for Universal Serial Bus. USB is a plug-and-play serial bus
standard to interface devices to a host computer.

10.2 FAQ

• Why does the DVR seem unresponsive when operating with the IR remote
control?
If your DVR seem unresponsive when using the IR remote and you have read through
the section Using the IR Remote Control, please check:
1. Check that the batteries are installed correctly in the remote, making sure that
the polarities of the batteries are not reversed.
2. Make sure the batteries are fresh and are not out of power.
3. Make sure the remote has not been tampered with.
4. Check around and make sure there are no fluorescent lamps in use.
• Why does the PTZ seem unresponsive?
If the PTZ seem unresponsive, please check:
1. Check that the RS-485 cable is properly connected.
2. Check that the dome decoder type is correct.
3. Check that the dome decoder speed configuration is correct.
4. Check that the dome decoder address bit configuration is correct.
5. Check to make sure that the main board RS-485 interface is not broken.
• Why is there no video recorded after setting the motion detection?
If there are no recorded video after setting the motion detection, please check:
1. Check that the recording schedule is setup correctly by following the steps listed
in Scheduling a Recording.
2. Check that the motion detection area is configured correctly (See Setting Up
Motion Detection).
3. Make sure that channels are being triggered for motion detection (See Setting
Up Motion Detection).
• Why doesn't the DVR detect my USB export device for exporting recorded files?
There's a chance that the DVR and your USB device is not compatible. Please refer
to our company's website to view a list of compatible devices.
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