Delta Embedded DVR User Manual download pdf (Page 147)

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9 FAQ

1. DVR can not boot up properly.

There are following possibilities:

z Input power is not correct.

z Power connection is not correct.

z Power switch button is damaged.

z Program upgrade is wrong.

z HDD malfunction or something wrong with HDD ribbon.

z Seagate DB35.1，DB35.2，SV35 or Maxtor 17-g has compatibility problem. Please

upgrade to the latest version to solve this problem.

z Front panel error.

z Main board is damaged.

2. DVR often automatically shuts down or stops running.

There are following possibilities:

z Input voltage is not stable or it is too low.

z HDD malfunction or something wrong wit the ribbon.

z Button power is not enough.

z Front video signal is not stable.

z Working environment is too harsh, too much dust.

z Hardware malfunction.

3. System can not detect hard disk.

There are following possibilities:

z HDD is broken.

z HDD ribbon is damaged.

z HDD cable connection is loose.

z Main board SATA port is broken.

4. There is no video output whether it is one-channel, multiple-channel or all-channel

output.

There are following possibilities:

z Program is not compatible. Please upgrade to the latest version.

z Brightness is 0. Please restore factory default setup.

z There is no video input signal or it is too weak.

z Check privacy mask setup or your screen saver.

z DVR hardware malfunctions.

5. Real-time video color is distorted.

There are following possibilities:

z When using BNC output, NTSC and PAL setup is not correct. The real-time video

becomes black and white.

z DVR and monitor resistance is not compatible.

z Video transmission is too long or degrading is too huge.

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Delta Embedded DVR User Manual Page 147