Panel Descriptions
6
Security slot
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kensington.com/
Adjusting the input level
Adjust each [INPUT LEVEL] knob so that the PEAK indicator lights
only occasionally, when the level of the input is at its highest.
DC IN jack
Connect the included AC
adaptor here.
* Use only the included
AC adaptor. Using any
other adaptor may
cause overheating and
malfunction.
INPUT MIC jack
Connect your microphone here.
MAIN OUTPUT jacks
Connect these jacks to your amp or monitor
speakers.
If your system is monaural, use only the OUTPUT
L jack. Sound that was input in stereo will also be
output monaurally.
SUB OUTPUT jacks
Connect these jacks to your mixer or other equip-
ment. The sound of a specific track, the audio
input, or sound from a computer connected via
USB can be output from the SUB OUTPUT jacks
independently of the MAIN OUTPUT jacks (p. 33).
Rear Panel Connections
PHONES jack
Connect
a set of
headphones
(sold
separately)
here.
CTL 1, 2/EXP 2 jack
CTL 3, 4/EXP 3 jack
You can connect EXP pedals
(EV-5, etc. ; sold separately) or
foot switches (FS-5U, FS-6; sold
separately) here, and use them
to control a variety of parameters
MIDI
connectors
For connecting
MIDI device (p. 38).
You can also
connect an
additional
RC-300 unit for
synchronized
playback.
[POWER] switch
This turns the power on/off (p. 7).
INPUT INST jacks
Connect your guitar, bass,
or effects unit to these
jacks.
Use the INPUT L jack
and INPUT R jack when
connecting a stereo-
output effects unit. Use
only the INPUT L jack if
you’re using a monaural
source.
INPUT AUX jack
Use a stereo mini-plug cable to
connect your audio player here.
To prevent the
inadvertent
disruption of
power to your
unit (should the
plug be pulled out
accidentally), and
to avoid applying
undue stress to
the DC IN jack,
anchor the power
cord using the
cord hook, as
shown in the
illustration.
[PHANTOM]
switch setting
If you’re using
a condenser
microphone, choose
the “ON” setting. If
you’re using a dynamic
microphone, choose
the “OFF” setting.
* Ordinarily, this is set
to “OFF.”
USB connector
You can use a
commercially available
USB cable to connect
the RC-300 to your
computer, and use the
computer to read/write
RC-300 tracks (WAV files).
You can play sounds
from your computer through the RC-300 via USB
audio (p. 36).
About USB cap
If you want to connect a USB cable, detach the
USB cap that covers the USB connector. Leave the
USB cap in place when you’re not using the USB
connector.
