Nortel Networks 6140 - Manual (Page 59)

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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.