Sony CM-B1200 - Manual (Page 74)

74
Troubleshooting
Problem
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• The phone is off. Turn the phone on.
• Battery is fully discharged. Recharge the battery.
• Battery may not be completely attached. Securely
attach the battery.
• The phone is outside the service area, or the signal is
too weak. Extend the antenna fully.
• Check NAM settings on the Network menu. If you set
“Auto-NAM” to “off” and you are using two NAM’s,
the phone may be ignoring an available service.
• The buttons may be locked.
• The phone may be locked. Enter the lock code to
unlock the phone.
• Check the signal strength.
• If the out-of-service icon ( ) is displayed, there is no
service. See above.
• Check the number.
• Press
SEND
.
• Listen for a busy signal.
• The microphone may be muted. Unmute the
microphone.
• Adjust the earpiece volume. If possible, also reduce
the noise around you.
• You are possibly out of the coverage area. Redial the
number. If the problem continues, contact your carrier.
Also see “The out-of-service icon ( ) appears” above.
• You are attempting to use the phone in an area
without service.
• Extend the antenna fully.
• Wait for the out-of-service icon ( ) to disappear,
then try to dial.
• Try 0000, 1234 (commonly used as defaults), or the
last four digits of your own number.
• See your authorized dealer or service provider.
• The fast busy tone can result from any one of the
following problems:
– The phone is improperly programmed.
– The phone is out of range.
– All channels are busy.
– The antenna is broken or damaged.
• Make sure that the phone is turned on, and that the
out-of-service icon ( ) is not displayed.
• Check the system settings. If you are roaming, consult
your service provider concerning roaming agreements.
Cause/Remedy Page
Nothing appears on the
display.
The out-of-service icon
( ) appears.
Nothing happens when
you press the buttons.
The call does not go
through.
You can hear the other
party, but the other
party cannot hear you.
You hear the other party
only faintly.
The call is cut off
(“dropped”).
You hear an alternate
high/low tone.
You forgot the lock
code.
You hear a fast busy
tone.
You cannot place or
receive calls.
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