Dahua-technology TFTP upgrade instructor User Manual download pdf (Page 7)

A、 Restart the DVR ，press * to Enter the TFTP menu again ,

Type “run da” to upgrade armboot software, it will take about 30-40 seconds

Do not use this command if not necessary

B、 Wait until you see s3c2510 # in the screen again

Attention: Never do anything that will stop the upgrade armboot

Such as : power off the DVR , disconnect the network ,

disconnect the RS232 cable

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Dahua-technology TFTP upgrade instructor User Manual Page 7