McIntosh MB50 Owner's Manual page 17

the (Input) Push-button on the Remote Control
→
until the desired source is selected. Refer to figures 30
and 31.
MB50 Inputs
Music Source
Wi-Fi - Play-Fi Mobile Device
NET - Play-Fi over the Network
COAX - Digital coaxial connection
to an external source
OPTICAL - Digital optical connection
to an external source
UNBAL - Analog stereo connection
to an external source
Note: The Mobile Device will disconnect when switch-
ing to another Input Source on the MB50.
Volume Level
To increase the Volume Level, press the Front Panel
VOLUME ▲ (Up) Push-button or the VOLUME
Push-button on the Remote Control to increase the
volume to the desired level. The LED indicator above
the Front Panel VOLUME ▲ (Up) Push-button will
illuminate continuously during the increase of Volume
Level. When the maximum volume level is reached,
the LED will flash rapidly.
To decrease the Volume Level press the Front Panel
VOLUME ▼ (Down) Push-button or the VOLUME
- Push-button on the Remote Control. The LED
indicator above the Front Panel VOLUME ▼ (Down)
will illuminate continuously during the decrease of
Volume Level. When the minimum volume level is
reached the LED will flash rapidly. Refer to figure 30
and 31.
Note: When the MB50 is connected to an existing Audio
System (or Audio/Video System) with a Preampli-
fier, it may be desirable to use the System Volume
Control to adjust the listening volume level when
the MB50 is the selected music source. To change
the MB50 from a variable output volume to a
fixed output volume level, perform the following
steps:
Indicator Color
Green
Red
White
Blue
+
To return the
MB50 to a vari-
able VOLUME
adjustment of the
listening level
and to reactivate
Remote Control
Operation, repeat
step 3.
Mute
To mute the volume lev-
el, simultaneously press
the VOLUME ▼(Down)
and ▲(Up) Push-buttons
on the Front Panel of
the MB50 or press the
Mute Push-button on the
Remote Control. Dur-
1. Select the desired MB50 Music Source.
2. Using the MB50 Volume Push-buttons
adjust the listening level to be at the same
relative listening level as when other in-
puts on the Audio System (or Audio/Video
System) are selected.
3. Using the Front Panel INPUT and VOL-
▼
UME (Down) Push-buttons, press and
hold them in until the Illumination of the
Front Panel nomenclature switches Off,
then release both Push-buttons.
4. The MB50 Output Volume Level is now
fixed, Remote Control Operation of the
MB50 is switched Off and Input Source
Selection is now performed by using the
Front Panel INPUT Push-button.
Figure 31
How to Operate the MB50
ing the time the sound is muted the Volume LEDs on
the Front Panel will flash at a slow rate. To unmute
and return to the previous volume level, simultane-
ously press the VOLUME ▼(Down) and ▲(Up)
Push-buttons on the Front panel or press the
Push-button on the Remote Control. Pressing either
the VOLUME ▼(Down) or ▲(Up) Push-button on the
Front Panel or the VOLUME - or + on the Remote
Control will also un-Mute the MB50. Refer to figure
30 and 31.
Play-Fi
For Mobile Device specific operating information
(Apple or Andriod) go to the Play-Fi web site at
https://play-fi.com/
Notes: 1. If you have questions about the Play-Fi App
and its Operation refer to the Play-Fi "Knowl-
edge Base" for additional information.
2. Some of the Internet Music Streaming Ser-
vices (available via the Play-Fi App) offer the
listener the ability to alter the sound quality
of music being streamed. Refer to each of the
Music Streaming Services Internet Web Site for
additonal information on how to make changes
to their default settings, if available.
Critical Listening Mode
The Play-Fi App supports the native sound resolution
formats of the music played. When the sound format is
high resolution, the sound is normally down-sampled
to insure proper Wi-Fi Steaming Capability with the
most common wireless network hardware. In the Play-
Fi App there is a Critical Listening Mode which keeps
the orginial sound resolution up to 96kHz/24Bit. This
requires the MB50 and Mobile Device be connected
by high performance network equipment. To activate
the Critical Listening Mode perform the following
Mute
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