Maintenance Manual

3. Tests and Diagnostics 3.19 CD Control Button Test
3.16 CD Control Button Test
The CD control button test allows the user to manually test each of the five CD control buttons.
Key ”WWW” need to press first. One will hear one “bi” sound when press ”WWW” or “Audio”
Sound, and continuously “bi” sound for another key test.
The figure below will be displayed:
Press each of the buttons on the front panel in turn. A yellow bar will appear on the
relevant section of the figure if the button passes the test.
Press Ctrl +C to quit the test.
3-28 [CONFIDENTIAL] Satellite A80/A85Series Maintenance
Manual