User`s guide
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
Shift
Speaker
Shift
Speaker
OPTIMIZING PERFORMANCE
OF THE SPEAKERPHONE.