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Front panel
1 USB indicator
This lights when the USB connection is working properly.
2 SIG (signal) indicator
This lights when the input signal exceeds a certain level.
3 OL (overload) indicator
This lights when the input signal is too loud.
4 LIMITER button
When this is ON, distortion caused by sudden excessive MIC input signals can be
prevented.
5 MIC knob
Use this to adjust the input level of the MIC IN connectors on the front and rear of
the interface.
Turn right to increase the level.
6 INST knob
Use this to adjust the level input from the INST IN jack. Turn right to increase the
level.
7 LINE knob
Use this to adjust the level input from the LINE IN jacks. Turn right to increase the
level.
8 COMPUTER knob
Use this to adjust the level input from the USB port (signal output from the
computer). Turn right to increase the level.
9 OUTPUT knob
Use this to adjust the level output from the headphones output (PHONES jack) and
line outputs (LINE OUT jacks). Turn right to increase the output volume.
2 − Names and functions of parts
0 MIC IN jack (3.5mm mini-jack)
Connect a mic that can use plug-in power here.
q PHONES jack (3.5mm stereo mini-jack)
Connect headphones here. When headphones are connected, sound is not output
from the LINE OUT connectors.
Rear panel
w MIC IN connector (XLR)
Connect a mic here.
e MIC IN jack (standard TRS)
Connect a mic here.
r LOOP MIX switch
This sets whether or not the signal output from the computer is returned to the
computer after being mixed with other signals (loop mix function).
t INST IN jack (standard TRS)
Connect a guitar, bass or other high-impedance mono signal source.
y LINE IN jacks (RCA pin)
Connect a stereo device to the L and R inputs.
u LINE OUT jacks (RCA pin)
All the inputs (MIC, INST, LINE and COMPUTER) are mixed and output in stereo from
the L and R outputs.
Connect powered speakers or an amplifier and speaker system here. When
headphones are connected to the PHONES jack, no signal is output from these
jacks.
i USB port
Use the included USB cable to connect a computer to the interface here. Power is
supplied to the unit through the USB port from the computer or a TASCAM PS-P515U
AC adaptor (sold separately).
7
TASCAM US-125M
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