AT&T E1828B User Manual download pdf (Page 17)

Telephone operation

Base settings

Choose base ringer volume

The base ringer volume can be set to OFF, LOW,

or HI, by adjusting the switch on the left side of

the telephone base. This switch affects only the

telephone base ringer volume, the handset ringer

volume remains unchanged.

Contrast adjustment (telephone base only)

There are four levels of contrast on the screen of

the telephone base which can be adjusted to suit

different viewing angles for both desktop use or

wall mounting. Press CONTRAST on the telephone

base to adjust the contrast on the screen.

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AT&T E1828B User Manual Page 17