∙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
Note: If you do not have a Shift button, it is not necessary to activate this feature.
1While
∙ 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
Select Ring (and Ringer Volume)
✔
To select a personalized ringing pattern (for those 8405 voice terminals which have a Shift button)
Note: For procedures on selecting a personalized ringing pattern for those 8405 voice terminals that have a Ring button, see the next page.
1 Press Shift
∙Red light goes on steadily
2Press Hold
∙ Red light next to Shift winks
∙Current ringing pattern plays and repeats every three seconds.
∙If your 8405 has a display, it shows the ringing pattern you are hearing, such as:
SELECT RING PATTERN: 1
3Continue to press (and then release) Hold (or, if you
are using a display set, you can also press Next
or Prev ) to cycle through all eight ringing patterns
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