Sharp AQUOS Crystal - Manual (Page 66)

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Calling
See below to dial directly or answer calls. (Handset does not
support Video Call.)
In-Call Misoperation Prevention Feature
Display Turning Off during a Call
Contact with face, etc. during a call causes Display to turn
off to prevent misoperation. Distance handset or Press
for normal Display.
・Note that while Power key ends call in call settings is
enabled, Pressing ends call. See " Call Settings " for
details.
Screen Lock during a Call
After a period of inactivity during a call, misoperation-
preventing lock screen appears and touch operation is
disabled. To operate screen, Drag
Unlock down to unlock
screen.
・Drag End call down to end call.
・Available when Screen lock during call setting is enabled.
In app sheet, (Settings) Wallpaper & display
Screen lock during call to toggle on ( )/off ( ).
Troubleshooting
Q. Difficulty with call.
A. It may be difficult to make a call in a location with
noise.
A. Check the call volume when using Speaker Phone.
It may be difficult to make a call with a raised call
volume.
Q. Sound experiences popping during a call
A. Are you moving location during a call? Popping may
occur when switching areas for a better signal. This is
not a malfunction.
Placing Calls
In app sheet, (Basic) (Phone) Dial
Call Window opens.
・When missed call window appears, Tap . If Feel UX Home
returns, perform again.
Use onscreen dialpad to enter number
・Include area code for landline numbers.
Call
Handset dials the number.
・Wait for other party to accept the call.