McIntosh MX135 Owner's Manual page 45

Display Brightness
The MX135 Trim feature allows adjustments to the bright-
ness of the Front Panel Alphanumeric Display to the de-
sired intensity. The Display Trim brightness range extends
from Off to a maximum of 31.
1. Rotate the TRIM SELECT Control clockwise until
DISPLAY appears on the Front Panel Alphanumeric
Display. A number to the right of the display indicates
the current brightness level. Refer to figure 47.
2. Rotate the TRIM LEVEL Control until the desired dis-
play brightness is achieved.
Figure 46
Figure 47
How to Operate the Trim Mode, con't
45