HTC HTC Desire Cell Phone User Manual


 
26  Basics
Left panel
17
18
17 VOLUME UP
While on a call, press to increase earpiece volume.
While not on a call, press to increase the ringer volume.
While watching videos, press to increase the volume. 
18 VOLUME DOWN
While on a call, press to decrease earpiece volume.
While not on a call, press to decrease the ringer volume.
While watching videos, press to decrease the volume.