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Power in:
An 8v to 15v DC supply should be connected to the screw terminals
provided, with the positive line to the right.
MIDI in:
A standard MIDI-compliant input.
messages which match the channel and note range settings on the DIP
switches will cause the outputs to be energized. Any other MIDI messages
will be forwarded to the MIDI out port.
MIDI out:
A standard MIDI output. Any MIDI information received which does not
match the channel and note range set on the DIP switches is forwarded to
MIDI out..
DIP switches: These are used for setting the MIDI channel, note range and (on DC-48)
whether the unit operates in lamp or magnet mode. The DIP switches are
described in detail below.
Power LED: Green LED which lights to show that the board is supplied with power.
Activity LED: Red LED which flashes whenever a MIDI message is received. If the
incoming message is a "note on" or "note off" message which matches the
channel and note range selected on the DIP switches, you will see a clearly
visible flash of about 50ms. If any other MIDI message is received, this
will be forwarded to the MIDI out port and the LED will give a much
shorter "wink" of about 8ms.
MIDI "note on" and "note off"
5
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