4
FAQ
1. DVR cannot 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 stops
running. There are following possibilities:
⚫ Input voltage is not stable or it is too low.
⚫ HDD malfunction or something wrong wit 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 cannot detect hard
disk. There are following
possibilities:
⚫ HDD is broken.
⚫ HDD ribbon is damaged.
⚫ HDD cable connection is loose.
⚫ 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:
⚫ 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.
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