TechVision DVR-LT016480, Руководство пользователя

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10 FAQ
1. DVR can not boot up properly.
There are following possibilities:
 Input power is not correct.
 Power connection is not correct.
 Power switch button is damaged.
 Program upgrade is wrong.
 HDD malfunction or something wrong with HDD ribbon.
 Seagate DB35.1
，
DB35.2
，
SV35 or Maxtor 17-g has compatibility problem.
Please upgrade to the latest version to solve this problem.
 Front panel error.
 Main board is damaged.
2. DVR often automatically shuts down or stop running.
There are following possibilities:
 Input voltage is not stable or it is too low.
 HDD malfunction or something wrong with the ribbon.
 Button power is not enough.
 Front video signal is not stable.
 Working environment is too harsh, too much dust.
 Hardware malfunction.
3. System can not detect hard disk.
There are following possibilities:
 HDD is broken.
 HDD ribbon is damaged.
 HDD cable connection is loose.
4. There is no video output whether it is one-channel, multiple-channel or all-
channel output.
There are following possibilities:
 Program is not compatible. Please upgrade to the latest version.
 Brightness is 0. Please restore factory default setup.
 There is no video input signal or it is too weak.

Check privacy mask setup or your screen saver.

DVR hardware malfunctions.
5. Real-time video color is distorted.
There are following possibilities:
 When using BNC output, NTSC and PAL setup is not correct. The real-time
video becomes black and white.
 DVR and monitor resistance is not compatible.
 Video transmission is too long or degrading is too huge.
 DVR color or brightness setup is not correct.
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