Matsushita Electric SX-KC211, Руководство по обслуживанию

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6.6. Removing the key sets
1. Open the top cabinet (see step “ Opening the top cabinet ”).
2. Remove the key set mounting screws (A 3 pcs. for each key set)
as shown in Figure-9 .
3. Remove the key set.
Figure-9
7. SELF-DIAGNOSTIC FUNCTIONS
The self-diagnostic functions make it possible to determine whether the various test modes
pass or fail. The test modes are completely independent of one another. Select a test mode as
necessary, and run the test.
- Before performing the test using the sine wave, adjust the volume
to the appropriate level.
7.1. SOUND SYSTEM test
1. Press and hold the two E keys shown below, and then turn on the
power switch.
Figure-10
9