To Enter The Level Trim Adjustment Mode; To Enter The Bass Trim Adjustment Mode - Marantz PM-11S1/F1N /K1G /L1G /N1G /S1G/N1S Service Manual

"-36.0" is displayed and speaker output voltage is set to about 1.0 V.
1st
When adjust output level with 1.0V correctly, tune the output voltage of Oscillator to fine adjustment.
After, whenever press the TONE button, 1.0V of output level are made into 0dB standard, TRIM adjustment function
works and output level changes according to the display.

TO ENTER THE LEVEL TRIM ADJUSTMENT MODE.

8. Set frequency of Oscillator to " 1 kHz ".
Whenever press the TONE button, the display changes as follows and output level changes according to the display.
2nd

TO ENTER THE BASS TRIM ADJUSTMENT MODE.

9. Set frequency of Oscillator to " 50 Hz ".
Whenever press the TONE button, the display changes as follows and output level changes according to the display.
5th
9th
13th
3rd
Press
6th
Press
10th
Press
14th
Press
4th
Press
7th
Press
11th
Press
15th
Press
5
8th
Press
12th
Press
Press
Press