Samsung E800 - Manual (Page 13)

You can adjust the volume while you are on
a call to hear your caller more clearly.
To adjust the volume:
1
Locate the volume control button on the
left-hand side of your phone.
2
To increase the volume press the top
arrow and to decrease it press the
bottom arrow.
25
adjust the volume
When your phone rings,
press to answer
the call.
24
receive your first call