Handset display
3.Press Enter to select the setting.
4.Use the Nav keys to scroll through the menu and highlight Warning Tones.
5.Press Enter to select the setting.
6.Use the Nav keys to scroll through the menu and highlight one of the following settings (an asterisk [*] indicates the selected setting):
•Enable Warnings — This is the default.
•Disable Warnings
7.Press Enter.
8.Do one of the following:
•Press Back to return to the previous menu and choose another option.
•Press the End button to exit all menus and return to the standby state.
To change the display contrast
1.While the handset is in the standby state, press the Cfg soft key.
2.Use the Nav keys to scroll through the menu and highlight Phone Settings.
3.Press Enter to select the menu item.
4.Use the Nav keys to scroll through the menu and highlight Display Contrast.
5.Press Enter to select the setting.
6.Use the Nav keys to adjust the contrast to a suitable level.
7.Press Enter to save the setting.
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