Boss Audio Systems RC-300 User Manual

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System Settings (Settings for the Entire RC-300)
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O
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Basic O
per
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Sa
ving
Track
Phr
ase M
emor
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Rh
ythm
LOOP FX
USB
MIDI
A
ppendix
Sy
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em S
ettings
USB-Related Settings
Here you can make USB-related settings for when the RC-300 is
connected to a computer via USB.
Reference
For details on USB connection, refer to “Connecting to Your
Parameter
Value
Explanation
Sys:USB IN 
Level        100
Adjusting the USB Audio Input Volume (USB In Level)
This specifies the input volume of the audio signal that’s input from your computer via the RC-300’s USB connector.
0–200
USB audio input volume
Sys:USB OUT
Level        100
Adjusting the USB Audio Output Volume (USB Out Level)
This specifies the output volume of the audio signal that’s output to your computer via the RC-300’s USB connector.
0–200
USB audio output volume
Sys:USB IN Out
Select  MAIN+SUB
Setting the Output Jacks for the USB Audio (USB Output 
Select)
You can select the output jacks to which the USB audio is output.
MAIN
The sound is output from the MAIN OUTPUT and PHONES jacks.
SUB
The sound is output from the SUB OUTPUT jacks. The sound is not output from the MAIN
OUTPUT and PHONES jacks.
MAIN+SUB
The sound is output from the MAIN and SUB OUTPUT jacks and the PHONES jack.
Sys:USB Mode
AUDIO
Setting the USB Mode (USB Mode)
This specifies how the RC-300 will operate when connected to your computer using a USB cable.
Reference
In order to use the RC-300’s USB audio functionality, you must first install the USB driver in your computer. Refer
STORAGE
The RC-300 will be in USB mass storage mode, allowing you to transfer files between the
RC-300 and your computer.
AUDIO
The RC-300’s USB audio feature is available in this mode.
USB audio flow
USB IN Level
RC-300
USB IN Out Select
USB OUT Level
MAIN
MAIN+SUB
SUB
Same output sound as  
the MAIN OUTPUT jacks
*  The MASTER [LEVEL] knob does not affect USB audio.