AT&T Definity 8410D Betriebsanweisung PDF herunterladen (Seite 73)

DEFINITY® ECS Release 5 8410 Voice Terminal User’s Guide 555-230-763 Issue 2

June 1997

Page 65

To adjust the

speakerphone to the

surrounding room

acoustics

Note: If you do not have a

Shift button, it is not

necessary to activate this

feature.

1 While on-hook, press

• Red light next to goes on steadily

2 Press

• Red light next to goes off

• Red light next to blinks

• You hear a series of tones as the speakerphone

performs an acoustic test of the environment.

The display shows:

When the tones stop, your built-in speakerphone is

ready for use.

Shift

Speaker

Shift

Speaker

OPTIMIZING PERFORMANCE

OF THE SPEAKERPHONE.

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AT&T Definity 8410D Betriebsanweisung Seite 73