When the MIDI Sport is CONNECTED to your PC and your want your PC to talk to external MIDI HW over the MIDISport 2x2 LEAVE it in "MIDI Thru" (KEEP the button in the ""OUT" position) ALL THE TIME! (see excerpt from user manual below and pay attention to the NOTE).

I have a MIDI Sport 2x2 just leave button OUT (aka Thru) - I have and use a lot more gear then you so "trust me" on this one.


If Ketron is on A then in Sonar you MUST send stuff to Port A that you want Ketron to hear;
If JV-1010 is hooked to B then in Sonar you MUST send stuff over Port B that you want JV-1010 to hear. So far so good

However, I think you misunderstand "channels" and in Roland's case, I think you forgot about Patches versus Performances and what to set the part/patch knob to.


You said:

"In Sonar's MIDI setup, I have channel 1 assigned to my Ketron's 16 MIDI channels – with channel 10 assigned to the Ketron drums."

That is an incorrect statement

If/when you send something from Sonar (or any DAW) on Port A, MIDI channel 1 then the Ketron will ONLY HEAR stuff on channel 1 and will only make sounds that you have assigned inside Ketron for Channel 1.

The Ketron will (may) LISTEN for "stuff" ON the other 15 MIDI channels but since you didn’t send anything on any channel except channel 1, the Ketron will not play anything expect stuff assigned to channel 1


Now lets move to the "problem" child the JV-1010:

Now we are talking about Port B - IT is a separate set of 16 MIDI channels than those on Port A.

The Roland will ONLY hear what you send on Port B from Sonar because it, the Roland, is physically connected to port B, so far so good.

If you send stuff form Sonar to Port B on MIDI channel 2 to the JV-1010 and you heard nothing then the JV-1010 has nothing (no patch, sound, instrument) assigned to channel 2 or there no Part assigned to the Performance for channel 2.

forgoing issues like audio cable problem, have volume tuned all the way down, some other volume related issues, etc.

Try sending stuff on channel 1 to the JV-1010 on Port B (its logically and literally a DIFFERENT Channel 1 than the Channel 1 on Port A because: it's on a DIFFERENT PORT, it is on PORT B).

ALSO double check: are you in PATCH mode or PERFORMANCE mode? If in PATCH mode and the "part/patch" knob is straight up (i.e., set to "1") then it's listening for ONLY MIDI channel 1.

(from Roland manual)

" 3. PART Knob
In the Patch mode, it changes the receive channel. In the Performance mode or the GM mode, it
selects the Part to which settings are to be applied"


================
Following from MIDI Sport Manual (SEE merge section and especially the NOTE)

"7. MIDI Thru-USB/Merge button (MIDISPORT 2x2 only): This button selects whether MIDISPORT 2x2 is in MIDI Thru mode (button set to the ‘out’ position), in Merge mode (standalone operation; button ‘in’) or in MIDI Interface mode (used with a computer; button ‘in’).

USB Interface Mode

MIDISPORT 2x2 is in USB Interface mode when the MIDI Thru - USB/Merge button is set to the ‘in’ position and the device is
connected to and initialized by an active host computer via USB. In this mode the input and output ports appear as discrete inputs
and outputs in your music software and are completely independent of each other.

Merge Mode

In Merge Mode, MIDISPORT functions as a standalone device (i.e. it does not operate as an interface to a computer). All MIDI data from the In A and In B ports is combined (merged), and this merged stream is output identically on both the Out A and Out B port.

In this scenario, power must be provided by an optional USB-type external power supply, and the MIDI Thru - USB/Merge button must be set to the ‘in’ position.

➜ NOTE: In some cases, you can use Merge Mode while connected to a computer
via USB, but only if the operating system is not currently running. In this scenario,
the computer serves only as a power supply while MIDISPORT is operating as an
independent device. This is possible, because some computers provide power to their
USB jacks even when shut down or in sleep mode. Please note that it may be necessary
to disconnect and reconnect the USB cable after shutting down the computer for
MIDISPORT to disengage USB Interface Mode and enter Merge Mode.
Check the documentation associated with your computer to see if it provides power to
its USB jacks while shut down or in sleep mode. A separate USB-type external power
supply is not required if MIDISPORT is connected to such a jack.

MIDI Thru Mode

MIDISPORT 2x2 is in MIDI Thru mode when the MIDI Thru - USB/Merge button is set to the
‘out’ position. In this mode, MIDISPORT passes the In A data stream directly to Out A and
the In B data stream directly to Out B. This mode bypasses connected computers and does
not require power to operate. Thus, MIDI Thru mode can always be enabled, regardless of
whether or not MIDISPORT is connected to a computer, or a power source."



Good Luck
Larry

Last edited by Larry Kehl; 04/04/16 11:15 AM.
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