Audio Checks And Measurament - Roland E-50 Service Notes

1.15 Audio Checks and Measurements
1.15.1 Audio Chec on the Spea ers
With the VOLUME potentiometer at maximum, check that no noises or bruises can be hear from the speakers
Press the icons LOW, MID, HIGH to listen to the notes with different frequencies from the four speakers; at the end press the icon MID
Press the icons L, R to chekc the separation of the two channels (2 left or right speakers); at the end press the icons L R
Left channel
only
Activating/disactivating the MUTE (press the icons ON and OFF), check that the sound is immediately cancelled and then returns after 1-2 seconds respect.ly
Leave the MUTE in the OFF position.
Low
Fre uency
Right
channel only
Mute on
Medium
Fre uency
Both
channels
Mute off
High
Fre uency
E-50
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