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• When using the [TO HOST] terminal of the CLP-555, first turn the power off on both the CLP-555 and the
computer before connecting the cable. After connecting the cable, turn the power of the computer on first,
then the CLP-555.
• When not using the [TO HOST] terminal of the CLP-555, make sure the cable is disconnected from the [TO
HOST] terminal. If the cable is left connected, the CLP-555 may not function properly.
• When the HOST SELECT switch is set to “Mac”, “PC-1”, or “PC-2, no data transfer occurs via the MIDI
connectors. To use the MIDI connectors for connection via a standard MIDI interface, set the HOST SELECT
switch to “MIDI”.
Connecting to a Personal Computer
Although the CLP-555 can be connected to a personal computer via the MIDI
IN/OUT connectors and a MIDI interface, the TO HOST connector and HOST
SELECT switch allow direct connection to Apple Macintosh or IBM-PC/AT per-
sonal computers for sequencing and other music applications without the need
for a separate MIDI interface.
Connect the TO HOST connector of the Clavinova to the modem or
printer port on your Macintosh, depending on which port your MIDI
software is using for MIDI data communication, using a standard
Macintosh 8-pin system peripheral cable. Set the HOST SELECT
switch to the “Mac” position.
You may also have to make other MIDI interface settings on the
computer side, depending on the type of software you use (refer to your
software owner’s manual). In any case the clock speed should be set to
1 MHz.
Connecting to an Apple Macintosh Series
Computer ................................................................................................................
HOST SELECT TO HOST
PC-2 PC-1
Mac
MIDI
Apple Macintosh
Series Computer
Set to the “Mac”
position.
● “Mac” Cable Connections
2 (HSK i)1
1 (HSK 0)2
5 (RxD-)3
MINI DIN
8-PIN
4 GND4
3 (TxD-)5
8 (RxD+)6
7 (GP i)7
6 (TxD+)8
MINI DIN
8-PIN
• 8-pin system peripheral cable.
• Data transfer rate: 31,250 bps.