Справочник Пользователя для Sprint Nextel 595U

Ensure the USB modem is properly inserted, not locked (page 56), and not 
powered off (page 40).

If the Mobile Broadband window displays “Searching for service” for a long period 
of time (for example, several minutes), see “Searching for Service” below.

If Roam Mode is set to Sprint, ensure you are in the network coverage area (not 
roaming), or change the setting (page 70). (You may be subject to roaming rates.)

If the Mobile Broadband window displays “Searching for service” for a long period 
of time (for example, several minutes), try one of the following: 

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Try reorienting your computer, or try adjusting the angle of the USB modem’s 
USB connector (see the picture on page 19).

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If you are inside a building or near a structure that may be blocking the signal, 
change the position or location of your computer.

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If Roam Mode is set to Sprint, ensure you are within the network coverage area, 
or change the Roam Mode setting. (You may be subject to roaming rates.)

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If Roam Mode is set to Roam Only, ensure you are roaming, or change the 
Roam Mode setting.

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If Network Mode is set to 1X Only, and only 1xEV-DO coverage is available, either 
move to an area that has 1X coverage, or change the setting to Automatic or 
1xEV-DO Only. Note: With the setting 1xEV-DO Only, Sprint Location Services 
may not be supported.

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If Network Mode is set to 1xEV-DO Only, and only 1X coverage is available, either 
move to an area that has 1xEV-DO coverage, or change the setting to Automatic 
or 1X Only.

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Check with Sprint — a network or account problem may be preventing the USB 
modem from obtaining service.