SoftBank 930CA User Manual page 336

Troubleshooting
Problem Possible Cause & Remedy
Only a busy Does Network is busy at this
tone is heard moment Please try again later
after dialing a appear in Display?
phone number.
Is the USIM Card inserted?
Is handset out of service area or in
a location with a weak signal?
Cannot receive Is handset in Manner Mode?
calls.
Are you outside the service area or
The incoming
where signals are weak?
ringtone does
not sound.
Have incoming calls been
prohibited?
Is handset in Emission OFF
Mode?
Is Ring Volume set to Silent?
appears. Are you covering the area around
the antenna with your fingers?
Are you outside the service area or
where signals are weak?
Refer to Problem
- The other
party s voice is
'
difficult to hear
during calls.
P. 1-12
-
P. 1-20 The other
party ' s voice is
-
too loud during
calls.
P. 4-7
A snapping
sound occurs
during calls.
P. 4-8
Handset is slow
P. 14-10
to react when
P. 1-2 keys are
pressed.
-
Cannot hear
key operation
tones.
Possible Cause & Remedy
Is the earpiece properly placed
against your ear?
Is anything obstructing the
speaker if it is in handsfree mode?
Is the earpiece volume properly
adjusted?
Is the earpiece volume properly
adjusted?
Are you in a location with weak
signals? This sound occurs when
signals are weak and handset
switches to a different area.
This may occur when there are
large amounts of data saved on
handset, or when large amounts
of data are being transferred
between handset and memory
card.
Is Keypad Sound set to OFF?
Is handset in Manner Mode?
Refer to
-
-
P. 3-3,
P. 3-8
P. 3-3,
P. 3-8
-
-
P. 14-39
P. 1-20
15
15
-7