P N O s c a n
P N O s c a n
P N O s c a n
I I
I I
I I
I n s t a l l a t i o n M a n u a l
I n s t a l l a t i o n M a n u a l
I n s t a l l a t i o n M a n u a l
Manual Rev. 1.18
27
QRS Music Technologies, Inc. / Technical Support - 800-247-6557 / www.qrsmusic.com
Troubleshooting
No MIDI Output from TUSB Interface
The Function and Key Adj lights are alternately flashing.
Alternately flashing Function and Key Adj lights indicate that a ribbon cable is disconnected or
plugged in upside-down at either the TUSB interface or the cable coupler. At the TUSB, the silver-
contact side is toward the bottom of the TUSB box. At the cable coupler, the silver-contact side of
the cables should face the circuit board.
The Key Adj light is flashes steadily.
The system is in Mute Mode
The PWR light is red
Indicates a USB failure - Call your dealer or QRS Technical Support
