Amplifier MC331 Tone Control

[kenken]

When I changed TRE/BASS level by remote, how can I reset the tone control?
I mean how can I find the center position of TRE/BASS by remote.
Pls let me know.

 

[JevDozer]

When I changed TRE/BASS level by remote, how can I reset the tone control?
I mean how can I find the center position of TRE/BASS by remote.
Pls let me know.

Hold the multi function volume control knob down for >10secs