How To Operate The Trim Mode - McIntosh MX135 Owner's Manual

How to Operate the Trim Mode

The MX135 TRIM SELECT Switch together with the
TRIM LEVEL Control provide the means for adjusting
seven different audio functions and the Front Panel Alpha-
numeric Display Brightness. This can be accomplished
from either the Front Panel Controls or with the supplied
Remote Control, very conveniently from the Listening/
Viewing Area. The Front Panel Alphanumeric Display indi-
cates the Trim Mode Selected and Trim Levels. You can
create the sound quality that you prefer while listening to
music or a movie sound track. Refer to figures 37 & 39.
Note: The following Trim Examples are performed using the
MX135 Front Panel Controls. They also can be made
using the supplied Remote Control. Make any Trim
Adjustments based on your own preferences.
Loudspeaker Volume Levels
The Volume Levels of the Center, Subwoofer and Surround
Loudspeakers can be adjusted up or down by 12dB relative
to the Left and Right Front Loudspeakers and saved in per-
manent memory for the Stereo, Music (1 - 4) and External
Surround Modes. They are automatically recalled any time
that particular input is selected again.The Surround Trim
level adjustments made in CINEMA 1 and CINEMA 2 will
revert back to the Setup Loudspeaker Levels when the
MX135 is placed in STANDBY (Off).
1. Rotate the TRIM SELECT Control to the
SUBWOOFER position and SUB TRIM appears on
the Front Panel Alphanumeric Display. Refer to figure
37.
Note: Low Frequency Information must be present in the
Program Source Material in order to hear any
changes in the Subwoofer Loudspeaker Levels.
2. Rotate the TRIM LEVEL Control clockwise until the
number 5 appears to the right of SUB TRIM on the
Front Panel Alphanumeric Display. This is an example
of increasing the Subwoofer level by 5dB.
3. Rotate the TRIM SELECT Control to the SURR SPKR
position and SURR TRIM appears on the Front Panel
Alphanumeric Display. Refer to figure 38.
Figure 37
Figure 38
How to Operate the Trim Mode
4. Rotate the
TRIM LEVEL
Control counter-
clockwise until
the number -10
appears to the
right of SURR
TRIM on the
display. This is
an example of
decreasing the
Surround Loud-
speakers Levels
by 10dB.
5. Rotate the
TRIM SELECT
Control to the
CENTER SPKR position and CTR TRIM appears on
the Front Panel Alphanumeric Display. Refer to figure
40.
6. Rotate the TRIM LEVEL Control clockwise until the
number 3 appears to the right of CTR TRIM on the
Front Panel Alphanumeric Display. This is an example
of increasing the Center Loudspeaker Level by 3dB.
Notes: 1. If no Trim adjustments are made during a ten
second interval, the TRIM Mode will be
cancelled and the normal Front Panel Display
will appear.
2. The location of the Trim Selector Control will
remain in the last selected position until the
INPUT A Listen Control or SURROUND MODE
Control is changed.
Bass and Treble
The MX135 allows for changing the tonal response for any
of the eleven inputs via the BASS and TREBLE Compen-
sation TRIM Adjustments. Any tonal changes made are
saved in permanent memory and automatically recalled any
time that particular input is selected again. The Bass and
Treble Tonal Response can be adjusted up or down by 12db
from the Flat Setting.
1. Rotate the TRIM SELECT Control clockwise until
BASS TRIM appears on the Front Panel Alphanumeric
Display. Refer to figure 41on page 44.
Figure 39
Figure 40
43