Ganz digimaster DR-4FX1 Operation Manual page 32

System Setting
To perform the upgrade
1. Connect the USB storage device that contains the
updatable files.
2. Click <USB>.
3. Select one(s) from the updatable files LIST listed
in <F/W >.
4. Click <UPGRADE>.
5. When the confirmation message appears, click
<OK>.
6. The progress bar displays the progress of the
firmware upgrade process.
7. When the upgrade is complete, reboot the system.

During the updating, never turn off the DVR
forcibly or disconnect the USB storage device
to avoid serious damage to the product or data.
If required, consult your nearest service center
for professional assistance.
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