Nortel Networks 6140 - Manual (Page 66)

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Handset display
2. Use the Nav keys to scroll through the
menu and highlight Push-to-talk .
3. Press Enter to select the next menu
level.
4. Use the Nav keys to scroll through the
menu and highlight Tone Volume .
5. Press Enter to select the option.
6. Use the Nav keys to adjust the volume.
7. Press Enter to select the setting.
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.