Roland SP-404MK Reference Manual page 146

MIDI
Parameter Value
MIDI Sync Specifies the tempo source.
Auto
Internal
MIDI
USB
MIDI Sync OFF,
Out ON
Soft OFF,
Through ON
USB-MIDI OFF,
Thru ON
GAIN
Parameter Value
Attenuator OFF, ON
Noise Gate Reduces the noise floor in the signal input from the LINE IN and INPUT jacks.
OFF
-9dB, -12dB,
-18dB
Explanation
The tempo automatically synchronizes to the MIDI clocks if MIDI clocks are input via the
MIDI IN connector or the USB port.
The tempo specified on this unit is used.
The tempo synchronizes to the MIDI clocks received via the MIDI IN connector.
The tempo synchronizes to the MIDI clocks received via the USB port.
When this is ON, clocks, start and stop are transmitted to the device connected to this
unitʼs MIDI OUT connector.
If this is ON, MIDI messages that are inputted to the MIDI IN connector are re-
transmitted without change from the MIDI OUT connector.
When this is ON, MIDI signals that are inputted via the USB port are outputted to the
MIDI OUT connector. MIDI signals that are inputted via the MIDI IN connector are also
outputted to the USB port.
The inputted MIDI signals are also transmitted to the internal sound module at the
same time.
Explanation
When this is ON, the gain of the audio input from the LINE IN jacks is
lowered.
Turn the Attenuator on when the LINE IN input seems to be distorting.
The noise gate is not used.
Reduces the noise floor at the specified level.