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Example 2: SIRIUS + Expander
This example shows you how to connect an expander or a sound module to the Sirius. As the expander does not have a keyboard of
its own you can play its sounds with the keyboard of the Sirius.
You can select different settings on the devices depending on your requirements.
First select a Part of the Sirius which you want to use to play the sound you have selected in your expander. For instance, use the
SYNTH-3 part. If this part is selected on the Sirius the keyboard of the Sirius is sending midi information on MIDI-channel 7
(factory setting). Now you have to set your expander so that the chosen sound is set to receive on MIDI-channel 7 (RX midi CH.7).
Once this is done and you press a key on the Sirius you will hear the sound of both devices.
If you want to hear the sound of the expander only you have to turn down the volume of the selected Sirius-part in the MIX-section.
If you do this it is probable that the sound of your expander will be quieter as well. This is due to the fact that the Sirius is not only
sending note information from the keyboard via MIDI-OUT but also the MIDI-Controller data such as volume. This controller data
is created as soon as you turn a dial or wheel on the Sirius. As the volume is a fixed MIDI-control which is the same for all MIDI
instruments the expander will therefore play quieter. To solve this problem, you have two options:
1.
You can set your expander so that it no longer receives any MIDI-controller information from theSirius.
2.
You can set the Sirius so that it does not send any MIDI-controller information. This is done in thesystem-menu of the
Sirius on page 10. Set the parameter "TxParam" to OFF. In this setting the Sirius will no longer send MIDI-conroller information to
the MIDI-OUT-socket.
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The Sirius and MIDI
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