Functionality of power key.pdf

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CONFIDENTIAL
1 (1)
Customer and Market Operations
EMEA Customer Care
Service Bulletin No. SB-014/26.03.04
NHL-9
FUNCTIONALITY OF POWER KEY
The functionality of the power key has occasionally been risen as an issue in
some service points.
Power key is a part of the function keys (code 9791241). The tactile feeling of
the power key is deliberately weaker than the other function keys, because
this prevents the power-off in cases where keylock is not activated and the
phone is in user’s pocket / bag etc.
The phone is switched on/off by pressing the power key firmly for three
seconds and then releasing it. This initiates power on/off process, which
takes a while to run. Some end users have occasionally seen these features
as a failure.
However, rare samples have been found from the field where the power key
or other function keys have not been working properly. Analysis has revealed
that the root cause is related mechanical chain tolerance. An improved
version of the function keys (v4.0) have been taken into spare part use, the
production will take it in use also at later time.
As a preventive action and to ensure customer satisfaction, it is
recommended that only function keys version 4.0 or later is used as spare
part in the service network.
If the end user is complaining power key functionality verify first, that the
power key is not really working as it should, and that he/she is aware of the
time needed for power on/off process, prior to changing the function keys.
Version marking of
the function keys
x
Level 1
x
Level 2
x
Level 3
x
Level 4
Version 1
NHL-9 SB-014
Copyright © Nokia Corporation 2004

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