Dip Switch Options - Sound Devices USBPre 2 User Manual And Technical Information

DIP Switch Options

The DIP switches on the back panel of the USBPre 2 can control various features. To adjust an indi-
vidual switch, carefully move the switch with a slender tool.
In the following descriptions, "Up" refers to the direction opposite the numbering on the switch casings.
10 9 8 7 6 5 4 3 2 1
A Settings
48 Volt Phantom Power (9 and 10)
•
Up position engages 48 Volt phantom power
on balanced microphone inputs. Required for
condenser microphones.
Low-Cut Filter (7 and 8)
•
Up position engages low-cut fi lter on balanced
microphone inputs. -3 dB at 80 Hz. 12 dB per
octave. See Inputs Section.
Limiter (5 and 6)
•
Up position engages limiters on balanced
microphone inputs. Attenuates signal above -4
dBFS. See Inputs Section.
15 dB Pad (3 and 4)
•
Up position reduces gain by 15 dB on balanced
microphone inputs. Useful for sensitive mi-
crophones or very loud program material.
Inputs Section.
Dual Mono (1)
•
Up position disables input 2 and routes input 1
signal to both tracks.
1 2 3 4 5 6 7 8 9 10
48K
192K
176.4K
96K
88.2K
44.1K
32K
16K
See Inputs Section.
See
USBPre 2 User Guide and Technical Information
B Settings
Balanced Output Level (1 and 2)
•
Determines level of balanced XLR outputs. Up
position: Line level (0 dBu). Down position: Mic
level. (-40 dBu). See Outputs and
HP Mono Function (3)
•
Adjusts what signals are summed when HP
MONO is active. Up position: Input signals
only. Down position: Input signals and output
audio from the computer.
toring.
Meter PRE/PC (4)
•
Adjusts whether or not the meter source
switches automatically to PC metering when
computer audio is present. Up position: Auto-
matic. Down position: Manual.
Monitoring.
HP / Output Knob (5)
•
Adjusts which knob controls headphone gain
and which knob controls main output gain. Up
position: Big Knob controls headphone gain and
Small Knob controls main output gain. Down
position: Big Knob controls main output gain
and Small Knob controls headphone gain.
Headphone Signal to Outputs (6)
•
Up position: Only computer audio is sent to
outputs. Down position: Main (analog) output
source is the same as headphone signal source
and affected by Monitor Mix Control. Note: In
Stand-alone mode, input signal is always routed to
the outputs and this setting has no effect.
Input Select Lock (7)
•
Up position: Input Select Buttons function nor-
mally. Down position: Input Select Buttons are
disabled and input source selection is locked.
Stand-Alone Sample Rate (8, 9, and 10)
•
Sets the operating sample rate when in Stand-
Alone mode according to the associated
diagram. See Stand-Alone
Mode, sample rate is determined by the com-
puter. See Installation and
Monitoring.
See Ouputs and Moni-
See Ouputs and
mode. In Soundcard
Connection.
7