[HP Electronic Support Center - Top Banner] [HP Electronic Support Center - Navigation] ---------------------------------------------------------------------- HP OmniBook 300, 425, 430, and 530 PCs - HP Internal FAX/Modem Mode Switching ---------------------------------------------------------------------- ISSUE: HP OmniBook 300, 425, 430, and 530 - mode switching for the HP Internal Fax/Modem. SOLUTION: Mode Description When switching from the use of Delrina WinFax LITE to DynaComm, the HP OmniBook Internal Fax/Modem may still be in fax service class mode 2. To successfully use DynaComm for data communications, the fax/modem must be switched to fax service class mode 0. Determine the fax service class mode in DynaComm communications by typing the modem command AT+FCLASS?. If the number "2" is displayed, fax service class mode 2 is still active. See the table below to determine what other modes are possible. Fax Service Class Modes Fax\Modem AT+FCLASS? Modes Service Class Note +FCLASS=0 0 Data Mode For modem use - FAX mode off +FCLASS=1 1 Fax class 1 For FAX use - FAX mode mode on +FCLASS=2 2 Fax class 2 For FAX use - FAX mode mode on Modify The Modem Initialization Strings Modify the WinFax LITE and DynaComm initialization strings so that normal communications can resume. On the following pages are step-by-step instructions to modify the initialization strings to allow reliable application switching on the HP OmniBook 300, 425, 430, and 530. DynaComm Modifications Follow these instructions to modify the DynaComm settings for reliable usage with the HP Internal Fax/Modem, HP part number F1040A. 1. While in Windows, close all other applications except Program Manager. 2. Start the DynaComm communications software. 3. From the DynaComm Settings menu choose Modem. 4. In the Modem selection screen, select the HP OmniBook modem. 5. Choose Settings. 6. In the Modem Settings screen, choose Use Defaults. 7. Modify the Initialize: string with the following: a. Before modification, the Initialize: string should resemble the following. ^M~AT&C1&D2Q0V1X4E1S0=0^M b. Add the following command after the ^M~AT portion and before &C1&....+FCLASS=0 c. After modification, the Initialize: string should resemble the following: ^M~AT+FCLASS=0&C1&D2Q0V1X4E1S0=0^M 8. Choose OK to exit to the Modem Settings screen. 9. In the Modem selection screen, choose OK to exit to the main DynaComm screen. 10. When entering the main DynaComm screen, the old initialize string will be sent to the HP Internal Fax/Modem. In order to activate the new initialize string do the following: a. From the Settings menu, choose Modem. b. In the Modem selection screen, select Direct Connection (no modem). c. Choose OK to exit to the main DynaComm screen. d. From the Settings menu, choose Modem. e. In the Modem selection screen, select HP OmniBook. f. Choose OK to exit to the main DynaComm screen. g. When re-entering the main DynaComm screen, the correct initialize string will now be sent to the HP Internal Fax/Modem. 11. Exit DynaComm and SAVE settings when prompted. The DynaComm communications software should now properly initialize to work with the HP Internal Fax\Modem. Delrina WinFax LITE Modifications Follow these instructions to modify the Delrina WinFax LITE settings for reliable usage with the HP Internal Fax/Modem, HP part number F1040A. 1. While in Windows, close all other open applications except Program Manager. 2. Start WinFax LITE. 3. From the Delrina WinFax LITE Administrator File menu, choose Setup and then Fax. 4. In the Setup screen, choose More. 5. In the Modem Setup area of the Fax/Modem Setup screen, select HP OmniBook as modem Type: 6. In the Modem Setup area of the Fax/Modem Setup screen, modify the Initialization: string as follows: a. Before modification, the Initialization: string should resemble the following. AT&F0&C1&D2S7=90\ b. Add the following command after the AT portion and before &F0&.....Z0+FCLASS=2 c. After modification, the Initialization: string should resemble the following: ATZ0+FCLASS=2&F0&C1&D2S7=90\ 7. After the above modification is complete, choose OK to exit the Fax\Modem Settings screen. 8. In the Delrina WinFax LITE Setup screen, choose OK to exit back to the Delrina WinFax LITE Administrator screen. 9. Exit and restart WinFax LITE to activate the change. The Delrina WinFax LITE is now properly initialized to work with the HP Internal Fax/Modem. ---------------------------------------------------------------------- MS-DOS (R) is a U.S. registered trademark of Microsoft Corporation Windows (R) and MS Windows (R) are U.S. registered trademarks of Microsoft Corp. Copyright Ó Hewlett-Packard Co. 1997 This information is subject to change without notice and is provided "as is" with no warranty. Hewlett-Packard shall not be liable for any direct, indirect, special, incidental or consequential damages in connection with the use of this material. [HP Support - Bottom Banner]