Toshiba Tecra M2V Maintenance Manual page 158

3 Tests and Diagnostics
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.
Subtest 02 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.
3-44
3.18 Sound/Modem/LAN Test
TECRA M2V Maintenance Manual (960-476)