Troubleshooting
MIDI Problems
12-4
The input to the audio system is set 
for low impedance instead of  high 
impedance.
Set the volume of  the audio or mixer to the 
lowest level, change the impedance setting, 
and then slowly turn up the volume of the 
audio system or mixer.
The input trim to the audio system or 
mixer is set too low.
Slowly turn up the trim.
MIDI Problems
If  you are experiencing problems sending MIDI to an external module, check if  one of  the 
following might be the issue:
The MIDI cable is not securely 
plugged in at both ends.
Securely plug in the MIDI cable at both ends.
The MIDI connections are wrong. To send MIDI, plug the MIDI cable into the 
SP5’s MIDI Out port and into the module’s 
MIDI In port.
The MIDI cable is defective. Obtain and securely connect a new MIDI 
cable.
The MIDI transmit channel does not 
match that of  the receiving device.
Change the channel on either the SP5 or on 
the device such that the channels match.
If  there are problems with the internal sound module receiving MIDI from an external 
device like a computer sequencer, check if  one of  the following might be the issue:
The MIDI transmit channel of  
transmitting device does not match 
that of  the receiving Program or 
Zone on the SP5.
Change the channel on either the SP5 or on 
the computer such that the channels match.
The MIDI cable is not securely 
plugged in at both ends.
Securely plug in the MIDI cable at both ends.
The MIDI connections are wrong. To receive MIDI, plug the MIDI cable into 
the SP5’s MIDI In port and into the module’s 
MIDI Out port.