Sierra Wireless AirCard 580 User's Guide download pdf (Page 29)

Watcher™ Basics

v3 Mar.11 21

Indicator area and icons

Depending on the AirCard 580’s operating status, various

icons are displayed in the Indicator Area.

Table 4-1: Indicator Area Icons

Icon Meaning

The Signal Strength icon displays when Watcher is turned on. The bars indicate the

strength of the radio signal. Four bars signify that the signal strength is at its

maximum peak. The strength will change depending on where you are.

This displays when no signal is available or when the AirCard 580 is powered off. The

antenna symbol is red and the bars are dimmed. When this occurs, no connection is

possible for one of the following reasons:

• No antenna is attached

• You are outside the CDMA network coverage area

• The signal strength is too weak

• A network or account problem is preventing the AirCard 580 from obtaining

service

The Service Indicator icons display which network service is currently available at

your location (3G - 1xEV-DO and 1xRTT or 2G)

1xEV-DO service is the default connection. This icon displays “3G 1x EVDO” and

communicates that the 1xEV-DO network is available. Watcher defaults to the best

available network connection once connected. (For example: if all three connection

types are available, Watcher selects the 1xEV-DO connection first, by default,

because it is the premier service).

The “3G 1xRTT” icon signifies that because the 1xEV-DO network is currently

unavailable, Watcher establishes a session with the next best network connection

available (1xRTT).

The “2G” icon signifies that only the 2G network is available. The “3G 1xEVDO” icon

becomes dimmed and 3G changes to read 2G.

The icon is “off” (dimmed) when no service is available.

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Sierra Wireless AirCard 580 User's Guide Page 29