Status LEDs

The MD400 and MD400g contain multi-colored LEDs that indicate the status of the device. The LEDs are located next to the antenna, as shown below.

LED

Color

Flash rate

Description

 

 

 

 

1 - GPS

Yellow

Fast

Searching, position not fixed

(MD400g only)

 

 

 

Yellow

Slow

Position fixed

 

 

 

 

 

 

Off

 

GPS off

 

 

 

 

2 - Mobile Service

Red

Fast

Searching for a mobile network

 

 

 

 

 

Green

Medium

Registered to GPRS or EDGE service, not

 

 

 

connected

 

 

 

 

 

Green

Slow

Connected - GPRS or EDGE service

 

 

 

 

 

Blue

Medium

Registered to UMTS or HSPA service, not

 

 

 

connected

 

 

 

 

 

Blue

Slow

Connected - UMTS or HSPA service

 

 

 

 

Note:

On the MD400 both LEDs are Mobile Service LEDs.

SIM Card

When you subscribe to a mobile network, you are issued a Subscriber Identity Module (SIM) card. Your SIM card contains your personal subscriber data. To connect to a mobile network you must first insert your SIM card, that includes the appropriate network subscription, into your MD400.

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