LT Security LTD7904 - Manual (Page 99)

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Digital Video Recorder User Manual
Appendix A FAQ
Q1. Why the DVR cannot start after connected to the power?
a. The adapter has been damaged. Please change an adapter
b. The power of the adapter is not enough. Please remove the HDD to check
c. Hardware problem
Q2. There is not menu output or only has live image display
a. Check up whether other devices can display menu or long press ESC key to wait for login dialog box to appear.
Q3. The indicator of the DVR lights, but no output. Why?
a. The power of the adapter is not enough. Please remove the HDD or change an adapter to try.
b. The video format of the DVR is different from that of the monitor.
c. Connection problem. Please check the cable and the ports of monitor and DVR.
Q4. Why are no images displayed on parts or all of the channels of the DVR?
a. Connection problem. Please check the cable and the ports of camera and DVR.
b. Camera problem. Please check the cameras.
c. The video format of the DVR is different from that of the cameras. Please change DVR system format.
Q5. Cannot find HDD
a. The power of the adapter is not enough. Please change an adapter to try.
b. Connection problem. Please check the power and data cables.
c. The HDD is damaged. Change a new one.
Q6. Cannot record