Toshiba TECRA 9100 Series Maintenance Manual page 200

3 Tests and Diagnostics
Subtest 01 Microphoned recording & play
Use this Subtest to check the functions of the CODEC A/D and D/A
converter. Both the microphone terminals and headphone terminals can be
checked at the same time.
Before executing this Subtest, connect an external microphone to the
computer. If necessary, connect headphones to the computer to check whether
the headphones jack of the computer is working correctly.
To execute this Subtest, press 1 key then press Enter key when the SOUND
TEST menu is displayed. The following message appears:
AC-XG CODEC test program ver x.xx
Copyright (c) YAMAHA Corporation xxxx-xxxx. All rights
reserved.
Recording & Playback Test [MIC1 >> LINE]
Hit any key to start Recording.
Press any key to start recording for three seconds. After recording is
completed, the computer immediately plays back the recorded sound. Then
the following message appears:
Did you hear the correct sound ?
Press Y or N key and any one key to return the SOUND TEST menu.
Subtest 02 DoReMi
This subtest is executed by loading Playwave. In this subtest, the control of
the sound volume can be also tested.
Connect headphones and make sure you can hear the musical scale:
do, re, mi, fa, so, la, si, do from the right and left headphone.
3-90
3.29 Sound Test Program
( Y / N )
TECRA 9100 Maintenance Manual (960-347)