Toshiba PORTEGE M400 Maintenance Manual page 212

3 Tests and Diagnostics
Subtest02
Subtest03
CAUTION: Before starting subtest03, be sure to set the sound at proper volume.
Subtest 04
3-94
Get user manuals: See SafeManuals.com
English Narration
Selected this subtest, narration in English starts.
For more details on the procedure, refer to the subtest01.
Test Tone A
This subtest plays sine wave while changing its table from 100Hz to 20Hz.
Return to the CD Sound (Standard) menu after the test ends.
Test Tone B
This subtest plays sine wave while changing its table from 400Hz to 3KHz
and also changing the channel from left speaker to right speaker.
Return to the CD Sound (Standard) menu after the test ends.
[CONFIDENTIAL]
3.30 Sound Test program
PORTEGE M400 Maintenance Manual (960-541)