Digital Output; Tube Lights - McIntosh MP1100 Owner's Manual

Digital Output

One of the MP1100 features is to provide Analog Au-
dio to Digital Audio (DAC) Signal Conversion for the
Phono and Line In Inputs. The Digital Audio Process-
ing Circuitry can be disabled (all power to the DAC
Circuitry is removed) by performing the following:
1. Select "SETUP: Digital Out, On" as indicated
on the Front Panel Information Display. Refer to
figures 60, 66 (on page 20) and 22.
SETUP: Digital Out
On
Figure 22
2. Rotate the LOAD Control to select "SETUP: Digi-
tal Out, Off". Refer to figure 23.
Note: When "Digital Out, Off" is selected, there
will no longer be any Digital Signals present
at the OPTICAL, COAX OR USB DIGITAL
OUTPUT Connectors on the Rear Panel of
the MP1100.
SETUP: Digital Out
Off
Figure 23
3. Exit the SETUP Mode by several presses of the
INPUT Control.
16

Tube Lights

The MP1100 Top Cover Window allows viewing of
the four Vacuum Tubes. LEDS providing illumination
of the Tubes may be switched On or Off by perform-
ing the following:
1. Select "SETUP: Tube Lights, On" as indicated
on the Front Panel Information Display. Refer to
figures 60, 66 (on page 20) and 24.
SETUP: Tube Lights
On
Figure 24
2. Rotate the LOAD Control to select "SETUP: Tube
Lights, Off". Refer to figure 25.
Note: Illumination of Vacuum Tubes during the
"Warm Up" period of time will continue when
the Trim Setting for Tube Lights is set to Off.
SETUP: Tube Lights
Off
Figure 25
3. Exit the SETUP Mode by several presses of the
INPUT Control.
IR Sensor
The MP1100 Front Panel Sensor, which receives the
signals from the HR090 Remote Control, can be
switched off to prevent interference when an external
IR Sensor is connected. To de-activate the Front Panel
IR Sensor perform the following steps:
1. Press and hold in the INPUT Control to enter the
SETUP Mode. Refer to figure 2 on page 13.
2. Rotate the INPUT Control until "SETUP: Front
IR, Enabled" appears on the Information Dis-
play. Refer to figure 26.
SETUP: Front IR
Enabled
Figure 26
3. Rotate the LOAD Control to select Disabled.
Refer to figure 27.
SETUP: Front IR
Disabled
Figure 27
4. Exit the SETUP Mode by several presses of the
INPUT Control.