McIntosh MX130 Owner's Manual page 30

MclNTOSH
HOME THEATER
SURROUND
SOUND
LEVEL
CALIBRATION
( ) SURR LEVEL pushbuttons until you achieve the level match you prefer in the listening
area. It is recommended that all channel volume levels be as close to the same as possible.
front panel % VOLUME indicator. Trim numbers will indicate + (Plus) or - (Minus) from 0
to 19. You may repeat the calibration process as often as desired until you are satisfied with
the results.
pushbutton again to exit the calibration mode.
panel VOLUME control or pushing one of the remote controller VOLUME pushbuttons.
reproduced by a subwoofer. You may have to experiment with different locations for the sub-
woofer until you find one that works best in your room.
manual. If the MX 130 AC power cord is disconnected from the AC power line, or AC power
is interrupted, the backup power supply will turn off and calibration memory will be lost. The
calibration process must then be repeated.)
AUTOMATIC CHANNEL CYCLING FOR CINEMA 1 DOLBY PRO LOGIC SURROUND
SOUND LEVEL CALIBRATION
1. Set the MODE Switch to CINEMA 1.
2. Set the MX130 VOLUME control to a level indication of 30%, ± 10%.
3. Set the rear panel SURROUND CALIBRATE Switch to AUTO.
4. Press the SYS CAL Surround Level calibration pushbutton to start the automatic channel
cycling for the calibration process. The built-in noise generator turns on and automatically
feeds a signal for two seconds, to all six channels in the following order: LEFT FRONT, CENTER,
RIGHT FRONT, RIGHT SURROUND, LEFT SURROUND and SUBWOOFER.
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The Mclntosh MX130 has a convenient built-in noise generator to allow trimming volume
levels tor each of the six channels. This process is described as Surround S o u n d Calibra-
tion. These selected volume levels are then retained the MX 130 Control Center memory. (The
Dolby Reference Level is 200mV at the input.)
MANUAL CHANNEL CYCLING FOR CINEMA 1 DOLBY PRO LOGIC SURROUND LEVEL
CALIBRATION
1. Set the MODE Switch to CINEMA 1.
2. Set the MX130 VOLUME control to a level indication of 30% ± 10%.
3. Set the rear panel SURROUND CALIBRATE Switch to MANUAL.
Press the SYS CAL surround level calibration pushbutton. This starts the built-in noise
generator and feeds it first to the LEFT FRONT channel to begin the level calibration pro-
cess. Each further press of the SYS CAL pushbutton feeds the noise generator signal to the
other five channels in the following order: CENTER, RIGHT FRONT, RIGHT SURROUND, LEFT
SURROUND and finally the SUBWOOFER.
Adjust the levels of each of the six individual channels with the front panel UP ( ) or DOWN
Any changes made in channel calibration levels will be read as a TRIM number on the
After the last channel, the Subwoofer, has been calibrated, press the SYS CAL
You can also exit or cancel the calibration mode at any time by adjusting the front
The dimensions and shape of the listening room can affect bass frequencies that are
(For future reference, list the final calibration trim numbers in the space provided in this
When either the UP ( ) or DOWN ( ) SURR LEVEL pushbutton is pressed during Automatic