Sound Devices USBPre 2 - Manual (Page 6)

USBPre 2 User Guide and Technical Information
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Front Panel Descriptions
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1
8
7
12
13
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Input Gain Controls 1)
Adjusts input gain. Gain is minimized
(not turned off) at full counter-clockwise
setting. Gain control only affects analog
input sources.
Low-Cut LED 2)
Illuminates when low-cut fi lter is
engaged on either mic input.
See DIP
Switch Options .
15 dB pad LED 3)
Illuminates when 15 dB pad is engaged
on either mic input.
See DIP Switch Op-
tions .
48V Phantom Power LED 4)
Illuminates when phantom power is
engaged on either mic input.
See DIP
Switch Options .
Input 1 Split LED 5)
Illuminates when Input 1 Split is active.
See DIP Switch Options .
Input Select Buttons and Input Source 6)
LEDs
Selects between the available input
types. Input Source LED to the right will
illuminate to indicate which source is
currently active.
Meter 7)
23-segment LED meter. Calibrated in
dBFS, with peak + VU ballistics.
Meter Source Button 8)
Switches meter source between input or
output signal. LED illuminates to indi-
cate current selection.
Headphone Mono Button and LED 9)
Toggles between mono and stereo moni-
toring of analog input audio in head-
phones; especially useful when multi-
track recording and recording from one
input. LED illuminates when Mono is
active. This function can be confi gured
to affect PC Audio as well.
See DIP
Switch Options .
Limiter LEDs 10)
Illuminates amber when limiting is oc-
curing.
Monitor Mix Control 11)
Selects the signal source to be monitored
in the headphones between analog
source audio (PRE) and computer audio
(PC). Listening to PRE audio allows
zero latency monitoring of analog input
sources. The center position mixes
monitoring of both source and computer
audio. The signal at the AUX Output
and balanced XLR Output is unaffected
by this control.
NOTE: S/PDIF digital in-
puts cannot be monitored in the headphones.
S/PDIF signal can only be monitored after
being processed by the computer.
Output Gain Control (Small Knob) 12)
Adjusts gain of AUX Output and bal-
anced XLR output. Can be confi gured to
adjust headphone gain.
See DIP Switch
Options .
Headphone Volume Control (Big 13)
Knob)
Adjusts headphone gain. Can be con-
fi gured to adjust XLR and AUX output
levels.
See DIP Switch Options .