MOTU 8260 Traveler-mk3 FireWire Audio Interface

User Manual - Page 5

For 8260.

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Quick Reference: Traveler-mk3 Front Panel
1. These four detented digital trim knobs provide 53dB of
pre-amp gain for the four preamp inputs (analog 1-4)
which provide low-impedance XLR mic input or
high-impedance TRS guitar/instrument input. The knobs
also function as pad switches (when pushed) for a 20 dB
pad. When you turn or push the knobs, you’ll see
dynamic feedback of your adjustment in the LCD display.
The total gain range — from when pad is enabled and
the trim is turned all the way down to when the pad
disabled and trim is turned all the way up — is 73 dB.
Use the trim knob and the LCD metering for individual
channels (via the METERS knob) to calibrate the input
signal level. These mic inputs are also equipped with the
Traveler-mk3’s V-Limit™ hardware limiter, which
provides an additional +12 dB of headroom above zero
with no clipping or digital distortion. See “Overload
protection (mic/guitar inputs only)” on page 87 for
details.
2. Turn the VOL knob to control the headphone volume. The
LCD provides visual feedback for the headphone volume
setting as you turn the knob. Push the knob once to view
the current volume setting in the LCD display.
3. From the factory, the MASTER VOL knob controls the
main outs (Analog 1-2), but MASTER VOL can be
programmed to control any combination of outputs. See
“The Monitor Group on page 100 for details. Push the
knob once to view the current volume setting in the LCD
display; push it again to mute the monitor group; push a
third time to return to the previous volume. Note: if the
Monitor group is programmed to not include the main
outs, the MASTER VOL knob will no longer control the
volume of the main outs.
4. This section controls the Traveler-mk3’s built-in
CueMix FX mixer and effects. There are eight stereo mix
busses: each bus mixes all inputs (or any subset you
wish) to a stereo output of your choice. You can apply EQ,
compression and/or reverb to inputs and outputs. The
four knobs to the left of the LCD correspond directly to
the four labeled sections of the LCD. Use the CHANNEL
knob to choose the input, output or mix you wish to edit.
Push it to switch among inputs, outputs and busses,
then turn it to choose the desired channel or bus. Use the
PAGE, PARAM and VALUE knobs to access the mix
settings for the chosen channel.
5. These four 4-segment meters show input signal level for
the mic/instrument XLR/combo inputs on the rear panel.
6. These four 4-segment meters show input signal level for
the analog TRS input jacks on the rear panel.
7. 4-segment metering for AES/EBU input.
8. MIDI activity LEDs for MIDI input and output.
9. 4-segment metering for S/PDIF input.
10. Optical digital I/O signal present LEDs for each bank.
11. When the Traveler-mk3 is resolving to SMPTE time code,
the LOCK light glows green when lockup has been
achieved. The TACH light blinks once per second when
the Traveler-mk3 is successfully reading address (time
code) information.
12. The Traveler-mk3 is powered by its FireWire connection
to the computer. Use this power switch to turn it on and
off. It is recommended that you always power off the
Traveler-mk3 before unplugging the FireWire cable.
13. These lights indicate the global sample rate at which the
Traveler-mk3 is operating. Use MOTU Audio Setup to set
the sample rate or to choose an external clock source,
from which the sample rate will be derived. When no
clock signal is currently present, one of these LEDs
flashes rapidly. For example, if you’ve set the
Traveler-mk3 to slave to an external clock, such as
optical, but there is no clock signal currently being
detected, it flashes.
14. These four round “L/R” LEDs indicate signal presence on
the stereo S/PDIF and AES/EBU digital outputs.
15. These round LEDs indicate signal presence on the eight
rear-panel TRS analog outputs. Their threshold is around
-42 dB. They do not indicate clipping in any way; use your
host audio software level meters to calibrate output
levels. Outputs 1-2 serve as the main outs. Push and
then turn the front-panel volume knob for volume
control.
16. The multi-purpose backlit LCD shows system settings,
CueMix FX settings or metering, depending on which
knobs you turn. The labels above and below the LCD refer
to the four digital rotary encoders to the left of the LCD.
The channel numbers indicate individual channels when
viewing level meters for banks of 8 channels.
17. Push the CHANNEL knob repeatedly to cycle among the
four main sections of the mixer: mix busses, inputs,
outputs and the reverb module. Push the PARAM knob to
enter the SETUP menu, which provides global
Traveler-mk3 settings, such as the global sample rate,
etc.
18. Push the METERS knob to cycle among three meter
display modes in the LCD: 1) vertical multi-channel
meters, 2) horizontal long-throw metering for individual
channels, and 3) CueMix FX/Setup. In either meter mode
(1 or 2), turn it to choose the banks and/or channels you
wish to view in the LCD.
19. This is a standard quarter-inch stereo headphone jack.
From the factory, it serves as its own independent
output. But it can be programmed to mirror any other
output pair (digital or analog). Use the volume knob
above to control its level.
20. These switches provide phantom power for their respec-
tive microphone input. Left is off; right is on. (Right on!)
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