Locking/Unlocking The Screen - Grandstream Networks WP820 User Manual

Lock Screen Settings from Web GUI
User can configure lock screen functions on the web UI. The screen lock password was also added to provide additional
security. Default Disabled.
1. Proceed from System Settings �� Security Settings �� Lock Screen Settings.
2. Enable option "Screen Lock Function".
3. On Screen Lock Password, click on Add Password then once done, click OK then Save then Apply.

Locking/Unlocking the Screen

To lock the Screen
Press the Pound key "#" and hold for approximately 2 seconds, or
Press On-hook / power key while the LCD is idle.
To unlock the Screen
Press Unlock button (Left softkey) and Pound key "#" to unlock the keys.
Figure 26: Keypad lock from handset
Figure 27: Lock Screen Settings