2002 Nokia Corporation. All rights reserved.18
NORMAL OPERATION
Note: If the terminal’s LEDs indicate that you have received messages, you can use a
communication application such as HyperTerminal and type in the command
AT+CMGR to read the received messages. For more detailed information, see the List
of AT commands on the Nokia 31 CD-ROM or www.americas.forum.nokia.com
.
SPECIAL OPERATION
LED 1* LED 2* LED 3 Description
– – Green In service
– – Green (blink) Call on
– – Green (blink) Incoming call
– – Green/Red (blink) Message received / Voice mail in box
– – Red (blink) Message arriving and memory is full
* Controlled by using the application module in M2M System mode.
LED 1 LED 2 LED 3 Description
Green/Red
(blink)
Green/Red
(blink)
Green/Red
(blink)
Insert SIM card.
Red (blink) Red (blink) Red (blink) Failure, contact service.
Yellow Yellow Yellow Initializing.