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Note: If a channel pair contains a DOLBY encoded signal, the corresponding LED bar graphs will not show a signal level.
DOLBY signal presence is indicated by the illumination of the blue LED below each channel pair. See the DOLBY
Encoded Signals section on page 13 for more information.
Audio Monitoring
■ Monitor Modes
Audio channels from the selected input module can be monitored through the stereo speakers in three ways: one
channel at a time (mono), two channels at a time (stereo), or as a stereo mix of multiple channels (5.1, 7.1, etc.).
Single Mode
Press the SINGLE button to monitor one channel at a time. The selected channel will be reproduced through both
speakers equally. Use the LEFT and RIGHT buttons to select amongst channels 1-8. Pressing the 9-16 button
will enable the LEFT and RIGHT buttons to select amongst channels 9-16.
Pair Mode
Press the PAIR button to monitor two channels as a stereo pair. The first channel of the pair will be reproduced
through the left speaker, and the second through the right speaker. Use the LEFT and RIGHT buttons to select
amongst channel pairs 1/2, 3/4, 5/6, and 7/8. Pressing the 9-16 button will enable the LEFT and RIGHT buttons to
select amongst channel pairs 9/10, 11/12, 13/14, and 15/16.
Downmix Mode
Press the Mix button to monitor a stereo downmix of multiple audio channels. Press the 9-16 button to downmix
channels 9-16.
Three downmix configurations are available: 5.1, 7.1, and 4L+4R. The channel assignments in each downmix
configuration are based on the DOLBY recommended track layout for Left, Right, Center, LFE (Low Frequency
Effect), Left Surround, and Right Surround channels. Press the LEFT and RIGHT buttons to select amongst these
configurations.
The following table shows how each audio channel is monitored through the speakers for each of the available
downmix configurations:
Preset
Ch. 1
Ch. 2
5.1
L
R
7.1
L
R
4L+4R
L
R
C:
Center (Left Speaker + Right Speaker)
L:
Left Speaker
R:
Right Speaker
■ Channel-Assign Indicator LEDs
In all monitor modes and downmix configurations, the Channel-Assign Indicator LED directly below each channel's
signal presence indicator or bar graph indicates how that channel is currently being monitored through speakers.
The following table shows the LED color indicates channel assignment:
LED Color
Orange
Green
Red
(No Illumination)
12
Basic Operation (continued)
Ch. 3
Ch. 4
Ch. 5
Ch. 6
Ch. 7
Ch. 8
C
C
L
R
-
-
C
C
L
R
L
R
L
R
L
R
L
R
Channel Assigment
Left Speaker + Right Speaker
Left Speaker
Right Speaker
(Muted)
Headphone Output and Audio Adjustments
■ Headphone Output
The headphone output accepts standard stereo headphones with a 1/4" TRS connector. Headphones with an 1/8"
(3.5mm) mini-plug connector may be used with an adapter. The stereo speakers are muted when a connector is
plugged into the headphone output.
■ Volume Control
The VOLUME control affects both the stereo speakers and the headphone output.
■ Balance Control
The BALANCE control adjusts the relative levels of the two channels of the current stereo mix, affecting both the
stereo speakers and headphone output.
■ Mute Functions
The MUTE button affects both the stereo speakers and headphone output:
• Press the MUTE button once to mute both the speakers and headphone output. Press again to un-mute.
The LED on the MUTE button illuminates when either or both speakers are muted.
■ Reset Functions
The MUTE button can also be used to reset the audio monitor:
• Press and hold the MUTE button for 4 seconds to reset the audio monitor software.
• Power cycle the audio monitor while holding down the MUTE button to reset all presets and reset the monitor to
its factory default configuration.
Basic Operation (continued)
13
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