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4. About MIDI Connector
and Computer Connector
your musical horizons.
The HP 3800G/2800G is equipped with MID! and computer connectors which allow you to exchange musical infor-
mation with external devices. Once you use these connectors to link up with other equipment, you can greatly expand
On the rear panel of the HP 3800G/2800G you will find a
MIDI IN and a MIDI OUT connector. After using these
connectors to link with other units, you will be able to pick
a device that you wish to be in control, and use it to con-
trol the others, You can then not only get the other equip-
ment to play. you can also cause it to switch through its
sounds.
About the MIDI Connectors
There are three types of MIDE connectors. Each of them
functions differently, as explained below.
MIDI OUT Connector
Transmits to an external unit's MIDI connector all the
information originating on this unit (such as data
describing what you are playing).
MIDEIN Connector
Receives the MIDI messages which arrive from an
external MIDE device. Whenever a piece of equipment
receives MIDI messages in this way, it will comply by
playing specific notes, changing to a different sound, or
otherwise do whatever it is that the messages request.
MIDI THRU Connector
Passes on (without change) the same stream of messages
that have been flowing in at MIDE IN.
The HP 3800G/2800G
is equipped with two of the
above types of MIDI connectors (MIDI IN and MIDI
OUT).
Look at the example below, then connect MIDI cables
between the appropriate MIDI connectors when you
want to have this instrument communicate with some
other piece of equipment.
HF xa 3:
lber MUU device
* It is not always necessary to connect two MIDI cables.
You should alter the above configuration to match
your intentions.
Before Connecting with Other MIDI
Devices
Before using your HP 3800G/2800G while connected
with other MIDI devices. you need to make sure that it is
set properly, as explained in the following. With the
wrong settings, you might find that your equipment
doesn't provide the expected response, or even that no
sound at all is produced.
Setting the Computer Switch
When you wish to use MIDI to connect with an extemal
device, you first need to set the COMPUTER
switch on
the rear panel to "MIDI" (the switch to the right of that
can be at any position).
* Always make sure to turn OFF the power on your HP
3800G/2800G before you change the setting for the
COMPUTER switch.
* Whenever the COMPUTER switch on the rear panel is
set to "MIDI," the display will show what appears
below, and you will not be able to use the Piano
Partner.
mia
In addition to these settings, you may also need to set
the MIDI Transmit Channel or switch Local Control
On/OFl, Please see page 38.
36
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