Toshiba Tecra M2 Maintenance Manual - Page 161
Sound/Modem/LAN Test, Tests and Diagnostics
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3.19 Sound/Modem/LAN Test 3 Tests and Diagnostics Subtest 02 To execute a subtest continuously, select the test number and press Enter. To exit the Sound/Modem/LAN test, remove the test program disk from the USB FDD and turn the computer off. Sin wave This subtest is executed by the load format of COM file (ADSIN.COM). The program expands sin wave data table to data in 16-64KB, and creates play data (It sounds like continuous beep). By using wave measuring devices such as an oscilloscope, this program can read sine wave without expanding. When the subtest is executed, the following message appears. ....Press test number[1-4] ? pause Press any key to continue... Press any key, and the following message appears. Then sin wave is expanded to 16-64KB data and is played. ....Press test number[1-4] ? call sin When the beep sound finished, the screen returns to the main menu and the following massage appears. ....Press test number [1-4] ? To execute a subtest continuously, select the test number and press Enter. To exit the Sound/Modem test, remove the test program disk from the USB FDD and turn the computer off. TECRA M2 Maintenance Manual (960-468) 3-47
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