Plantronics M22 Manuale Utente

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10
aDJustING tHe VOLuMe FOr CaLLs
To adjust your listening 
volume, rotate the Listening 
Volume Thumbwheel from 1 
(quietest) to 9 (loudest).
To adjust your speaking 
volume, remove the Cover 
from the Vista M22.
1.  Use the Plastic 
Screwdriver to adjust the 
Speaking Volume Control.
 • 
Turn the control 
clockwise to make your 
voice louder.
 • 
Turn the control counter-
clockwise to make your 
voice softer. 
2.  Replace the Cover and 
Plastic Screwdriver.