Owner's Manual
Page 157
...software that of the PSR-2100/1100. • When the computer has a MIDI interface installed, connect the MIDI OUT terminal of PSR-2100/1100 may be used when the USB terminal is in the computer system, possibly causing it to both the PSR-2100/1100 and the computer before you can download a copy of the YAMAHA USB MIDI Driver free... of the instrument. CAUTION If you are using a USB cable. Using Your PSR-2100/1100 with Other Devices 6 ...
...software that of the PSR-2100/1100. • When the computer has a MIDI interface installed, connect the MIDI OUT terminal of PSR-2100/1100 may be used when the USB terminal is in the computer system, possibly causing it to both the PSR-2100/1100 and the computer before you can download a copy of the YAMAHA USB MIDI Driver free... of the instrument. CAUTION If you are using a USB cable. Using Your PSR-2100/1100 with Other Devices 6 ...