Sharp AQUOS CRYSTAL 2, Руководство пользователя

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Phone
AQUOS CRYSTAL 2
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 Speakerphone. It may
be difficult to make a call with a raised call volume.
Q. The other party cannot hear me
A. Are you covering Mic/Recorder Mic on the bottom
surface of handset with your finger, etc.? Make sure
not to cover Mic/Recorder Mic.
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.
Using VoLTE
VoLTE (Voice over LTE) is a system enabling voice calls over
LTE networks. Compared to voice calls over conventional 3G
connections, high-sound quality calls and reduced time until
ring tones sound are possible (requires separate subscription).
・Available when the counterpart model is a VoLTE-compatible
model from SoftBank. In addition, it is necessary for
both handset and the counterpart model to be within the
SoftBank 4G LTE (FDD LTE) service area, with "VoLTE voice
call" and "Use 4G" enabled.
・VoLTE is unavailable during international roaming.
・During calls over VoLTE,
appears on Display.
HD Voice
HD Voice supports a wide range of audio tones for clearer,
more natural-quality voice calls.
・Available when the counterpart model is an HD Voice-
compatible model from SoftBank.
・HD Voice is compatible with VoLTE and 3G network.
Use HD Voice with VoLTE for voice calls of even higher
quality.
Disabling VoLTE
In app sheet, (Settings) Other settings
Network settings VoLTE voice call ( )
・Tap
VoLTE voice call to toggle on ( )/off ( ).
VoLTE Caution
VoLTE uses 4G network service, and is unavailable when
4G network service is disabled on handset. If VoLTE is
unavailable, follow the steps below to check whether 4G
network service is enabled (
).
In app sheet, (Settings) Other settings
Network settings Cellular networks Use 4G
・If disabled (
), Tap Use 4G to enable it ( ).