AT&T 8410 manual Optimizing Performance Speakerphone

To reset the speakerphone (when the voice terminal is first powered up)

1Press the softkey below Begin to reset the speakerphone

(Press the softkey below Cancel if you do not want to reset the speakerphone at this time. However, note that the red light next to [ Speaker ] will continue to flutter.)

●If you press the softkey below Begin, the display shows the following timed screen:

OPTIMIZING PERFORMANCE

OF THE SPEAKERPHONE.

●You will hear a set of rising tones as the speakerphone adjusts itself to the surrounding acoustical environment. These tones are automatic. No user response is required.

To adjust the speakerphone to the surrounding room acoustics (when the light next to [ Speaker ] is

fluttering)

1While on-hook, press [ Shift ]

●Red light next to [ Shift ] goes on steadily

2Press [ Speaker ]

●Red light next to [ Shift ] goes off

●

●

Red light next to [ Speaker ] blinks

You hear a series of tones as the speakerphone performs an acoustic test of the environment. The display shows:

OPTIMIZING PERFORMANCE

OF THE SPEAKERPHONE.

When the tones stop, your built-in speakerphone is ready for use.

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