Speaker Test
Select "SPEAKER DIAGNOSIS" to display the Speaker Diagnosis screen. Press "Start" to generate a test tone in a speaker. Press "Start" to generate a test tone in the next speaker. Press "End" to stop the test tones.
NOTE:
The frequency of test tone emitted from each speaker is as follows.
Tweeter: 3 kHz
Front speaker: 300 Hz
Rear speaker: 1 kHz