AT&T 2820 - Manual (Page 24)

EN
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The handset can display information in English, Spanish, or French.
To change language:
1. Go to Language menu.
2. Use or to select desired language.
3. Touch to confirm.
To adjust screen contrast:
1. Go to Phone Setup menu > Set Contrast.
2. Use or to change contrast.
3. Touch to confirm.
To alter backlight time:
1. Go to Phone Setup menu > Backlight Time.
2. Use or to change select backlight time (20, 30, 40, 50 or 60
seconds).
3. Touch
to confirm.
There is a choice of 10 polyphonic ring melodies and 4 ring tones. You
can also choose from 4 key tones.
To adjust ring volume:
1. Go to Ring Setting menu > Ring Volume.
2. Select ‘EXTERNAL CALL’ or ‘INTERCOM CALL’ .
3. Use or to select volume level. (Select ‘OFF’ to silence the ring
tone).
4. Touch
to confirm.
NOTE: will appear to indicate ring tone is silenced if ‘OFF’ is
selected.
CHANGE DISPLAY SETTINGS
CHANGE RING AND KEY TONES