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3. Demo
Pressing octave up and down together plays a short demonstration. Please note that the sounds are set for a GM
sound system and the demo will sound differently on other sound synthesizers.
Press the octave up and down keys once more to end demo.
4. Entering Numbers
When any number is entered it adheres to the following rules:-
Increment/Decrement Keys
Initially the LED display starts flashing.
The value displayed can be incremented/decremented using the +/- keys.
Pressing both + & - should call up the default value for that parameter.
The LED display shows the new value.
The new value is sent out except for the CONTROL ASSIGN which sends data when the display stops flashing)
When the display stops flashing the keyboard returns to normal operation.
Numeric Keys
Initially the LED display starts flashing.
A numeric value can be typed in using the numbers 0-9.
As each key is pressed the display continues to flash, the time-out value is reset.
When a
complete number
* has been entered the display stops flashing and the value is selected.
Alternatively, if no key is pressed and the display stops flashing the number on the display is selected.
The update routine is triggered, so that the new value is sent out.
When the display stops flashing the keyboard returns to normal operation.
* The following table shows how many keys are required to enter a complete number:-
1 key 2 keys 3 keys
Channel
2-9 01,10-16
Memory
0-9
Program Changes
13-99 000-012, 100-127
Bank LSB/MSB
13-99 000-012, 100-127
Control Select
2-9 01,10-14
Control Assign
14-99 000-013, 100-132
5. Sending a PROGRAM CHANGE number
Using the PROGRAM switch and the numeric keys, you can send any MIDI PROGRAM CHANGE from 0-127.
Press the PROGRAM switch. The LED starts to flash showing the current PROGRAM number (instrument
sound).
Press the numeric keys to alter the PROGRAM CHANGE number. You can also use the “+” or “-” keys to
change the value.
Note: * if you don’t do anything for 3 seconds the LED stops flashing and shows the current PROGRAM CHANGE
number.
if the number you press is larger than 127, it will return to the previous PROGRAM CHANGE number.