Owner's Manual

27
How to Operate the MXA70, con’t
performance. For the best performance, the volume
control on the MXA70 should be set to 70%. The
Volume Control on the Main Preamplifier or Audio/
Video Controller should be used to adjust the listening
volume level.
'LJLWDO,QSXWV
When a Digital Input (Optical, Coax or AES/EBU
&RQQHFWLRQRQWKH0;$LVVHOHFWHGWKH)URQW3DQHO
Display will indicate the Sampling Frequency when
a signal is present “48K”. Refer to figure 102. During
the time there is no Digital Signal present the display
will indicate “SILENT”. Refer to figure 103.
86%,QSXW2SHUDWLRQDQG'ULYHU,QVWDOODWLRQ
The MXA70 USB Input provides the capability to
playback music from a computer when the MXA70
Rear Panel USB Connector is connected to a computer
USB Connector. Refer to page 11 Connecting Compo-
nents.
Note: The USB Input is for direct connection to a com-
puter only. To playback music from a USB Drive,
connect the USB Drive to another USB Port on
the computer and select the USB Drive with the
Media Playback Program.
The MXA70 USB Input is compatible with PC
&RPSXWHUVXVLQJ0LFURVRIW:LQGRZV9LVWD63
:LQGRZV63DQG:LQGRZV63,WLVDOVRFRP-
patible with Apple® Macintosh® Computers using
OS-10.9 Mavericks or later.
Figure 102
INPUT: OPTICAL
30% 48K
Figure 103
INPUT: COAX
30%
SILENT
When using a PC Computer with Windows, a spe-
cial McIntosh USB Audio Software Driver needs to be
installed on the PC Computer. The driver needs to be
installed before connecting the MXA70 USB Input to
the USB Port on the computer.
Note: If an Apple Macintosh computer is used with the
MXA70, no additional driver is required.
The McIntosh USB Audio Windows Driver is
available for download from the McIntosh Web Site:
http://www.mcintoshlabs.com/us/support/Pages/
Manuals.aspx
Under “Products” select “McIntosh MXA70” then
scroll down to the bottom of the McIntosh MXA70
to the “DOWNLOAD AREA”. Select the “McIntosh
MXA70 PC DRIVER SETUP” and download the PC
Windows Driver. Follow the instructions below to
install the McIntosh MXA70 Driver:
Purpose:
To Install the McIntosh USB Audio
Windows
Driver for use with McIntosh MXA70
with an USB-Digital Audio Input.
Requirements:
1. A functioning McIntosh MXA70
with an USB-Digital Audio Input.
2. A PC Computer with a genuine
 ,QWHO Main Processor and a
functioning USB Port.
  :LQGRZV9LVWD63:LQGRZV
  63RUJUHDWHURU:LQGRZV
8.1 Operating System.
4. An USB Cable with Type A to
Type B Connectors.
,QVWDOOLQJWKH6RIWZDUH
It is important to first install the downloaded software
on your computer before connecting the McIntosh
MXA70 to the computer. The USB Driver is included
in the downloaded software package.
Note: Before installing this software, please check to see
if the McIntosh MXA70 has the latest firmware ver-
sion, if not update the firmware first.
1. Unzip the downloaded McIntosh Windows USB
Driver Software Package.
2. Run “McIntosh_USB_driver_._.exe”. Refer to fig-
ures 104 and 105.
3. Referring to figure 106, read and then check the
“I accept the terms of the License Agrement” box and
then the Next > button. If desired, choose a Start
Menu Folder. Refer to figure 107.
4. When the Windows Security window appears
click on the “Install” button. Refer to figures 108
thru 111 on the next page.
Figure 106
Figure 107
Figure 105
Figure 104