In Call Menu - Sharp GX18 User Manual

Using the Loud Speaker
1. During a call, press [Options].
2.
Select "Loud speaker on".The loud speaker is
activated.
3. Select "Loud speaker off". The loud speaker is
deactivated.
Rejecting an Incoming Call
1.
Press or press and hold the side-up or side-
down key while the phone is ringing to reject a call
you do not wish to answer.
Letting the Caller Know You are Unavailable
1. Press [Busy] while the phone is ringing to send a
busy tone to the caller of an incoming call letting
them know that you cannot answer the call.

In Call Menu

Your phone has additional functions available while a
call is in progress.
Adjusting the Earpiece Volume
During a call, you can adjust the earpiece volume (and
handsfree volume, if connected).
1.
During a call, press the side-up or side-down key to
display the Earpiece Volume screen.
2.
Press the side-up key (or
volume of the call or press the side-down key (or
/ ) to decrease the volume.
Five levels (level 1 to 5) are selectable.
3.
Press when the volume is set to the desired
level.
The phone returns to the in call screen automatically
if left unoperated.
/ ) to increase the
Call Functions 31