User's Manual

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DP750/DP720 User Guide
Firmware Upgrade
To upgrade the firmware on your handset, follow the steps bellow:
1. Press Menu (left soft key or the selection key ) to bring up operation menu.
2. Use Navigation keys to reach Settings menu
3. Navigate to select Firmware Upgrade and press the soft key Select.
4. The LCD screen will display a prompt message to confirm the firmware downloading / upgrading
press the right soft key Back to dismiss the upgrade process.
Reset the Handset DP720
The users can reset the new settings made on the handset. Resetting handset will not overwrite settings of
directory, call history, voice mail and the handset registration to the base station. Other customized settings
on the handset will be reset to factory settings after performing Factory reset. To reset your handset to the
default settings:
1. Press Menu (left soft key or the selection key ) to bring up operation menu.
2. Use Navigation keys to reach Settings menu
3. Navigate to select Audio ->System Settings and choose Factory Reset.
4. The LCD screen will displays a prompt message to confirm restoring factory settings, press Yes
(left soft key) to confirm or No (right soft key ) and then the handset will reboot to apply the
default settings.
Figure 24: Firmware Upgrade