User`s manual

Firmware Upgrade
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* To Upgrade 4 Channel DR3 , after reboot successfully, you must power off &
power on 4 Channel DR3 manually.
The file, updmgr.txt, will be found under the root of CF card. The phrase of following
can be found in the content of updmgr.txt.
Kernel image: image.2510.img[Sun Oct 15 03:33:24 2006] == (Mon Apr 2 03:33:24
2007)
The date and time correspond to the version of firmware. Upgrade is successful if the
date and time is the same as the data and time kernel generated.
* Power supply has to be guaranteed normal while upgrading. DR3 can not be restored if upgrade fails.
* Wait at least 4-5 minutes till reboot successful. LED keeps constant green if reboot successful.