User Guide
50
System Settings
To access system settings:
1. Tap
.
2. Tap System.
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1
USB-C
Lets you indicate whether you intend to use the USB-C port
for power only or as an audio input.
1
USB Audio
Lets you set the USB Audio interface to output only two
channels to increase compatibility with applications that do
not support multichannel USB audio.
Options include: Normal or Stereo Out
L
When set to Stereo Out, the MixPre does not receive USB
audio from a computer.
1
File Transfer
Lets you transfer files between the MixPre and a host com-
puter.
1
Tone
Lets you turn tone on/off, set the tone’s level (from -20dBFS
to 0dBFS in 1 dBFS increments) and mode (to either Contin-
uous or L-Ident).
2
Limiters
Lets you turn limiters on/off.
2
Brightness
Lets you independently adjust the brightness of the touch
screen and the ring LEDs.
2
Date/Time
Provides access to set the date, time, and formats for both.
2
Regulatory
Provides full Federal Communications Commission (FCC)
compliance information specific to MixPre-3M.
FCC ID: 2AKLX-739M3
IC: 22225-739M3
HVIN: MIXPRE3M
3
Version
Provides the current firmware version and serial number.
3
Update Firmware Lets you update the MixPre firmware from a file on the SD
card. The latest MixPre firmware can be downloaded from
the Sound Devices website:
www.sounddevices.com/sup-
port/downloads