Sound/Lan/Modem Test - Toshiba satellite A20 series Maintenance Manual

3 Tests and Diagnostics
Subtest 01 Microphoned recording & play
This subtest checks the function of the CODEC A/D D/A converter. Both the
microphone and headphone terminal can be checked at the same time.
Before executing this subtest, connect an external microphone to the computer.
IF necessary, connect a headphone to the computer to check whether the
headphone jack of the computer is working properly.
When the subtest is selected, the following message appears.
Copyright (C) 2000 Acer Laboratories Inc. All Rights Reserved.
Record Parameters :
When "SPDIF" is "On", Options Listed Below Will Be Ignored:
Recording... (Press "s" to Stop)
ALi Audio Device Record Wave File Done !!!
The sound is recorded for five seconds automatically from the microphone.
After the recording is completed, the computer immediately plays back the
sound recorded. When the playing is finished, a message similar to the one
below appears.
3-46
Wave Channel Index = 31 (d)
Wave File Name
Recording Length
PCM Sample Rate
PCM Sample Size
PCM Tone Type
Record Input
SPDIF In Option
Play Volume Gain
Record Volume Gain = 15 (d)
"Play Volume Gain"
"Record Volume Gain"

3.18 Sound/LAN/Modem Test

= Record.wav
= 3 (d) sec
= 11000 (d)
= 8 (d)
= 2 (d)
= Mic-In
= 0 (d)
= 11 (d)
Satellite A20 Maintenance Manual (960-444)