Roland SPD-30 用户手册

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页码 80
12
Rear Panel Connections
USB MIDI connector 
With a USB cable, you can 
connect the OCTAPAD to 
your computer for triggering 
sounds or recording MIDI 
information to your software 
sequencer (DAW).
USB MEMORY slot 
With a USB memory (sold separately) 
you can backup and load your data.
PHONES jack
Even when using your headphones, 
sound is still output from the 
OUTPUT jacks. 
OUTPUT jacks
For connection to your amplification or 
recording system.
If making a MONO connection, use the L/MONO 
jack.
MIX IN jack
For connecting an external audio 
device (MP3 player, computer, CD 
player etc). This audio signal will be 
sent to the OUTPUT and PHONES 
jacks.
DC IN jack
Connect the included AC adaptor here.
Place the AC adaptor so the side with the indicator (see illustration) 
faces upwards and the side with textual information faces 
downwards. The indicator will light when you plug the AC adaptor 
into an AC outlet.
To prevent the inadvertent disruption of power to your unit 
(should the plug be pulled out accidentally), and to avoid applying 
undue stress to the AC adaptor jack, anchor the power cord using 
the cord hook, as shown in the illustration.
NOTE
•  To prevent malfunction and/or damage to speakers or other devices, always turn down the volume, and turn off the 
power on all devices before making any connections.
•  When connection cables with resistors are used, the volume level of equipment connected to the inputs (MIX IN) 
may be low. If this happens, use connection cables that do not contain resistors.