McIntosh MA7900 Owner's Manual download pdf (Page 18)

The MA7900 functionality is controlled by internal

software that is know as Firmware. The MA7900

has two different Firmwares, one is the “System

Firmware” (responsible for the basic operation of the

MA7900) and the other known as USB Audio Firm-

ware (responsible for the “USB Connection and Con-

version” of a Digital Audio Signal from the Comput-

er). The Version of the Firmwares in the MA7900 can

be identified at any time by utilizing the Setup Mode.

1. Press and hold the INPUT CONTROL until the

Front Panel Display indicates “MA7900 V_.__,

S/N: _______”. The number after the “V” is the

firmware version and the number after the “S/N”

is the serial number of the unit. Refer to figure 2.

2. The number after the character “V” is the Firm-

ware number.

3. Rotate the INPUT CONTROL Clockwise until

the Front Panel Display indicates “McIntosh USB

AUDIO, V2.10 or higher USB Audio Firmware”.

Refer to figure 3.

4. To exit from the Setup Mode, press the INPUT

CONTROL and the Front Panel Display will revert

back to its normal display.

2. Rotate the VOLUME Control until “SETUP:

SOURCE INPUT, CD :BALANCED” appears on

the Front Panel Display. Refer to figure 5.

The second example will illustrate reassigning the

CD2 Input (connected to a SACD/CD Player) from

CD2 Input (RCA Jacks) to the DIGital 1 Optical Input.

3. Press the VOLUME Control and the CD Input will

change to the CD2 INPUT. The Front Panel Dis-

play will now indicate “SETUP: SOURCE INPUT,

CD2 :RCA”. Refer to figure 6.

4. Rotate the VOLUME Control until “SETUP:

SOURCE INPUT, CD2 :DIGITAL 1” appears on

the Front Panel Display. Refer to figure 7.

Record any changes made to the various inputs from

the default settings in the “Input and Power Control

Settings” chart for future reference.

5. To exit from the Setup Mode, press the INPUT

CONTROL and the Front Panel Display will revert

back to its normal display.

The MA7900 provides the ability to reassign High

Level Inputs (non-Phono) to either the Balanced Input

or one of the two Digital Inputs.

In the first example, the CD Input will be reassigned

from the unbalanced CD (RCA Jacks) to the BAL-

ANCED Connectors (XRL).

Notes: 1. Any one of the Default Inputs may be swiched

Off. If any input is switched Off its name will

no longer appear on the Front Panel Display

when using the INPUT Control, nor is it acces-

sible with the Remote Control.

2. The Phono MC (Moving Coil) and MM (Mov-

ing Magnet) Input are designed for connection

of a turntable only and thus non-reassignable.

However, the Phono Inputs may be switched

Off.

3. Only one Input may be assigned at a time to

the Balanced or Digital (1 or 2) Connectors. If

an already assigned Balanced or Digital con-

nector is to be reassigned to a different Input,

the Input currently assigned to the connector

first needs to be changed. It can be temporarily

set to Off, RCA connector, available Balanced

or available Digital connector.

1. Press and hold the INPUT CONTROL until the

Front Panel Display indicates the Setup Mode is

active. Then rotate the INPUT CONTROL and

select the Setup Menu item “SETUP: SOURCE

INPUT, CD :RCA”. Refer to figure 4.

Figure 5

SETUP: SOURCE INPUT

CD : BALANCED

Figure 4

SETUP: SOURCE INPUT

CD : RCA

Figure 6

SETUP: SOURCE INPUT

CD2 : RCA

SETUP: SOURCE INPUT

CD2 : DIGITAL 1

Figure 7

Source Input ReassignmentFirmware Version

Figure 2

MA7900 V_.__

S/N: _______

Figure 3

McIntosh USB Audio

V_.__

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McIntosh MA7900 Owner's Manual Page 18

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