in case of OK button or LCD not work firmware can be flashed automatically by script.

  1. put 2 files firmware.bin and autoexec.ash on SD card root
  2. Press Power On on DVR
  3. Wait for about 1 minute


rm a:\autoexec.ash
firmfl prog d:\firmware.bin >> d:\flashlog.txt
rm d:\autoexec.ash
rm d:\firmware.bin


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