Aztech MSP3880U Series, Руководство пользователя

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Chapter 5 — Testing the Modem Card
If your modem is not installed properly, the set of AT commands will not be
listed. You may also be prompted by an error message, stating that it was unable
to open the COM Port. If this happens, refer to the Appendix B - Troubleshooting
Guide “ While testing the modem, the system gave an error message stating
that it was unable to open the COM Port. “
5.1.2 Setting the Country
If you are using the modem card outside the United States, ensure that the country
setting is correct for your location. In some cases, the country is set to match the
Operating System selected and re-selection is required to match your exact location. To
check the current setting, follow the steps:
1. From the desktop, right-click on the My Computer icon and select
Properties .
2. Click the Device Manager tab and double-click on Modem .
3. Select your product model and click Properties .
4. Click the Country Select tab. The current country setting used is marked
with an asterisk. Change it to the country that you are currently in if it is set
incorrectly.