Siemens TC63 Benutzerhandbuch

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TC63_ATC_V00.490

Page 448 of 501

5/24/05

Confidential / Draft - Do not copy

The following table lists the possible patterns of status LED behavior, and describes the ME operating status indi-

cated by each pattern if 

 parameter 

=1 and 

Table 19.1:  Modes of the LED and indicated ME functions

LED behavior 

ME operating status if 

ME operating status if 

=2 

Permanently off

ME is in one of the following modes: 

POWER DOWN mode, AIRPLANE 

mode, CHARGE ONLY mode, SLEEP 

mode with no wake-up event is 

progress. 

ME is in one of the following modes: 

POWER DOWN mode, AIRPLANE 

mode, CHARGE ONLY mode. 

600 ms on / 600ms off

Limited Network Service: No SIM card 

inserted or no PIN entered, or network 

search in progress, or ongoing user 

authentication, or network login in 

progress.

This applies no matter whether the ME 

works at full functionality level 

=1 or has entered a "tempo-

rary wake-up state" during one of the 

CYCLIC SLEEP modes. 

Same as for 

75 ms on / 3 s off

IDLE mode: The mobile is registered to 

the GSM network (monitoring control 

channels and user interactions). No call 

is in progress.

The same LED pattern applies when the 

ME enters a "temporary wake-up state 

during one of the CYCLIC SLEEP 

modes (e.g. after characters have been 

received on the serial interface).

Same as for 

75 ms on / 75 ms off /

75 ms on / 3 s off

One or more GPRS contexts activated.

Same as for 

500 ms on / 25 ms off

Packet switched data transfer in 

progress. 

Same as for 

Permanently on

Depending on type of call:

Voice call: Connected to remote party.

Data call: Connected to remote party or 

exchange of parameters while setting 

up or disconnecting a call.

This applies no matter whether the ME 

works at full functionality level 

=1 or in one of the CYCLIC 

SLEEP modes where it wakes up only 

temporarily to make the call. 

Same as for 

n * 600 ms on / n * 600 ms 

off 

Not possible: With 

=1, LED 

signalization is disabled in SLEEP 

mode. 

SLEEP mode is activated (

parameter 

≠ 1), but the ME is not 

registered to the GSM network (e.g. SIM 

not inserted or PIN not entered, and 

therefore, either no network service or 

only Limited Network Service is avail-

able.