User's Manual

17-10
Appendix
17
Warning Signs
Problem Causes and Remedies
appears
Handset
is out-of-r
ange.
Move
to a location where signal is strong.
appears
Keyguard
is active (
Z
P.10-3).
Cancel
K
eyguard
to use k
eys.
Answer calls even
if K
eyguard
is active
.
appears
Password
Lock is active (
Z
P.10-4).
Cancel
P
assword
Lock to use handset. Answer
calls even if P
assword
Lock is active
.
appears
Keyguard
and P
assword
Lock are both active
(
Z
P.10-3, P.10-4).
Cancel
K
eyguard,
and then cancel P
assword
Lock to use k
eys.
Answer calls even if K
eyguard
and P
assword
Lock are both active
.
Low battery
message appears
and battery alarm
tone sounds
Battery
is low
.
Charge
(
Z
P.1-13) or replace battery
(
Z
P.1-12).
Software Update
Check for 841P software updates and download as required.
Choose to begin update or schedule update.
󱾀
Transmission fees do not apply to updates (including checking for
updates, downloading and rewriting).
󱾀
Fully charge battery beforehand. Even if appears, low battery message
may appear
.
In this case
,
charge battery until Charging Indicator goes
out.
󱾀
Select a place where signal is strong and stable.
󱾀
Do not remove battery during the update. Update will fail.
󱾀
Other functions are not available during Software Update.
󱾀
The update may take some time.
Updating Software Manually
Main Menu
4
Tools
4
Software Update
4
Software Update
1
7
Follow onscreen instructions
Follow onscreen instructions.
After
download is complete
,
handset
automatically
turns off and restarts before Softw
are
Update begins
.
After
Softw
are
Update is complete
,
handset
automatically turns off and restarts before
information
appears for successful update
.
(T
his process takes approximately
30
seconds
.)