AT&T MS2015 - LCD Contrast; Dial Mode

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LCD contrast
Use this feature to adjust the screen contrast to one of eight levels to
optimize readability in different lighting conditions.
When the deskset is idle, press MENU/SELECT.
Press or to scroll to Phone Settings, then press
MENU/SELECT or /SKIP.
Press or to scroll to LCD Contrast, then press
MENU/SELECT or /SKIP.
Press or to choose the desired screen contrast
level (Level 1 - Level 8).
Press MENU/SELECT or /SKIP to save the setting and
return to the previous menu. To exit without making
changes, press CANCEL or /REPEAT.
Dial mode
The dial mode is preset to tone dialing. If you have pulse (rotary) service, you
must change the dial mode to pulse dialing before using the telephone.
When the deskset is idle, press MENU/SELECT.
Press or to scroll to Phone Settings, then press
MENU/SELECT or /SKIP.
Press or to scroll to Tone/Pulse, then press
MENU/SELECT or /SKIP.
Press or to choose Tone or Pulse.
Press MENU/SELECT or /SKIP to save the setting
and return to the previous menu. To exit without
making changes, press CANCEL or /REPEAT.
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Telephone settings
Telephone setup
Phone Settings
Home area code
Key Tone
>LCD Contrast
LCD Contrast
Level 2
Level 3
>Level 4
Phone Settings
Key Tone
LCD Contrast
>Tone/Pulse
Tone/Pules
>Tone
Pulse