User's Manual

Grandstream Networks, Inc. GXV3140H USER MANUAL Page 122 of 146
FIRMWARE VERSION 1.0.7.2 Updated : 11/2010
Figure 76: Display Settings
NOTE: After setting TV out to an external source, the phone LCD screen will black out. Please make
sure to plug in the external output source before selecting this option. To return the display to the LCD
menu, log into the web browser interface and disable TV Out in “Device Manager” -> “TV Output”.
Otherwise, the phone will need to reboot to enable the LCD screen.
• MAINTENANCE
There are four tabs on the Maintenance setting screen under MENU->Settings->Maintenance:
Upgrade, Factory Functions, Debug and Backup. Users can configure the upgrade mode and firmware
server IP address/URL on the upgrade tab. Once this is saved, users can choose to reboot the phone
to upgrade the firmware. Similarly, a factory reset can be performed on the Factory Functions tab. A
more detailed step-by-step guide will be given in the “Restore to Factory Default Settings” section that
follows.