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User’s Guide for Kyocera 2100 Series Phones 13
To mute and unmute during a call
•To turn
Mute on, press right, then press to select Mute.
•To turn
Mute off, press to select UnMute.
To adjust the volume manually
• To adjust the earpiece volume manually during a call, press up or
down.
To adjust the volume automatically (Smart Sound)
• To set the phone to adjust the earpiece volume automatically based on the
amount of noise around you or the other person’s voice volume level:
a. Place a call from a quiet environment.
b. Press up or down to set the volume to a comfortable level.
c. Select
Menu → Settings → Sounds → Smart Sound.