The Advanced MCACC menu
11
120
en
Acoustic Cal EQ
Use this to display the calibration values for the
frequency response of the various channels set in the
different MCACC presets. See
Acoustic Calibration EQ
Adjust
on page 115 for more on this.
1
Select ‘Acoustic Cal EQ’ from the MCACC Data
Check menu.
2
When ‘Ch’ is highlighted, use
/
to select the
channel.
The calibration value for the frequency response of the
selected channel stored at the selected MCACC preset
and its graph are displayed.
3
Press
to highlight ‘MCACC’, then use
/
to
select the MCACC preset you want to check.
Group Delay
Use this to display the calibrated speaker group delay
results. See
Using Full Band Phase Control
on page 69 for
1
Select ‘Group Delay’ from the MCACC Data Check
menu.
2
When ‘Channel’ is highlighted, use
/
to select
the channel you want to check.
The result of group delay calibration for the selected
channel is displayed.
When measurements have been performed with
Full
Auto MCACC
selected at
Advanced MCACC
or with
ALL
or
Full Band Phase Ctrl
selected when
Auto MCACC
is
selected, the graph before group delay calibration is also
displayed.
When
After
is selected at
Calibration
, the group delay
after calibration is displayed. Compared to when
Before
is selected, with
After
there is less difference in the delay
between frequency bands and the group delay between
the different channels is uniform, allowing you to check
the full band phase control effect.
No Data
is displayed if the selected group delay has not
been measured.
Output PC
Before continuing, make sure you have completed step 2
in
Checking MCACC Data
on page 118. The data
measured with the Advanced MCACC function is
transmitted to the connected computer.
1
The 3D graphs
of the reverb characteristics and group delay
characteristics before and after calibration and the
MCACC results (parameters) can be checked.
1
Select ‘Output PC’ from MCACC Data Check menu
and press ENTER.
When the receiver is ready for transmission,
Start the
MCACC application on your PC
shows on the GUI
screen.
2
Start the MCACC application on your computer.
Follow the instructions provided with the application. It
will take about ten seconds for the transmission to
complete, then you will be able to analyze the output on
your computer. The various parameters, the reverb
characteristics and group delay characteristics data
used for display on the computer are not cleared when
the power is turned off. If the reverb characteristics are
re-measured, however, the data is overwritten.
2
3
When you’re finished, press RETURN.
You will return to the
MCACC Data Check
menu.
Continue with other operations in the
MCACC Data
Check
menu if necessary. Press
RETURN
again to exit
the
MCACC Data Check
menu.
63
[Hz]
125
[Hz]
250
[Hz]
500
[Hz]
1k
[Hz]
2k
[Hz]
4k
[Hz]
8k
[Hz]
16k
[Hz]
TRIM
dB
2e.Acoustic Cal EQ
Exit
Return
0.0
Ch :
L
-6.0
-8.0
0.0
+8.5
+3.0
+8.5
0.0
0.0
+3.0
A/V RECEIVER
MCACC
M1.MEMORY1
2f.Group Delay
Exit
Return
Channel : Front
Calibration :
Before
A/V RECEIVER
ms
-1.0
-0.4
0.2
0.8
1.4
2.0
200
2k
20k Hz
Front
Center
Surr
SB
Note
1 To transmit data, the receiver and computer must be connected using an RS-232C cable and a special application must be installed on the
computer. See
Connecting a PC for Advanced MCACC output
on page 41 on page 34 for more on this.
2 Only one set of reverb characteristics is stored on the receiver. If you wish to compare several different measurement results, transmit the
data to the computer each time reverb measurements are taken.
Start the MCACC application on your PC.
2g.Output PC
Exit
Cancel
A/V RECEIVER
SC-27_25.book Page 120 Monday, April 6, 2009 7:15 PM
