Sierra Wireless Sprint 598U, User Manual, Page: 31 / 48

Specifications
Section 3A. Technical Specifications 23
Blue, blinking The USB modem’s firmware is being updated. Do not remove the USB
modem.
Amber, blinking The USB modem is searching for service. If this state persists, try the
following:
䢇
Reorient your computer.
䢇 If you are inside a building or near a structure that may be
blocking the signal, change the position or location of your
computer.
䢇
Check with Sprint — a network or account problem may be
preventing the USB modem from obtaining service.
Amber, not
blinking An error has occurred. Remove the USB modem and reinsert it.
Off No service is available. If this state persists, try the following:
䢇
Try reorienting your computer.
䢇
If you are inside a building or near a structure that may be
blocking the signal, change the position or location of your
computer.
䢇 Check with Sprint — a network or account problem may be
preventing the USB modem from obtaining service.
Amber, blinking 1xRTT coverage is detected. Ready to connect to the network; see the user
guide.
Amber, not
blinking The USB modem is connected to a 1xRTT network and can send or
receive data.
LED State of LED Indicates