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Connecting External Devices
m@ Change Tones on a MIDI
Device from the HP 337
(Program Change)
A Program Change is a MIDI message that means "change to
the tone of the specified number." The device that receives
this changes to the tone of the corresponding number.
Although the corresponding Program Change messages sent
are automatically when the HP 337's tones are changed, you
can also send Program Change messages with the following
procedure.
1. Press the [Function] button.
The [Function] button's indicator blinks.
2. Press the [Flute] button.
3. Use the Variation [+] and [-] buttons to choose the
Program Change (1-128).
4. Press the [Function] button.
The [Function] button's indicator goes out.
[Ifyou ivant to know more about how sounds are changed upon
reception of Program Chatrge messages, please see "MIDI
Huplementation" (sold separately). [fF you should require the
"MIDI Implementation," please contact the nearest Roland
Service Center or authorized Roland distributer.
™ Disconnecting the Keyboard
from the Internal Sound
Generator (Local On/Off)
With a MIDI sequencer connected, when, as shown in the
figure, the data for the keys being played is sent to the sound
module section via the two routes (1) and (2), the sounds
may be superimposed, or there may be interruptions in the
sound. To prevent this, what's known as "Local Control" is
set to "off" to isolate route (1).
The setting is at "Local Control ON" when the HP 337
is
powered up.
(1) Local On
Sequencer
MIDI
OUT
MIDI
N
MID}
MIDI
OUT
1N
(2) Soft Thru On
Each note played is sounded twice
Locai Control On:
The keyboard and internal sound
generator are connected.
Sound is emitted
Sound Source
Local On
Local Control Off: The keyboard and internal sound
generator are separated. No sound will
be produced by the keyboard when it is
played.
No sound produced
Sound Source
Local Off
1. Press the [Function] button.
The [Function] button's indicator blinks.
2. Press the [Voice] button.
3. Use the Variation [+] and [-] buttons to select
"ON" (Local Control On) or "OFF" (Local Control
Off).
4. Press the [Function] button.
The [Function] button's indicator goes out.
¥
When one of the Rolaud's MT Series models is connected, the
MT transmut Local Coutrel Off message to Hie HP 337
automatically when the MT is turned on. If you first sivitch on
the HP 337, then the MT-series device, Local Contiel #3
aac
automatically sveitched off on the HP 337.
52
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