Page Number   3

THE “LO” JUMPER IS SOLDERED FOR ACTIVE LOW INPUT SIGNALS WHICH ARE PULLED FOR NORMAL HIGH.

 

THE “HI” JUMPER IS SOLDERED FOR ACTIVE HIGH INPUT SIGNALS WHICH ARE PULLED FOR NORMAL LOW.

 

VERSION JUMPERS (PINS 2 & 3) ARE NORMALLY LOW.

 

WITH VERSION JUMPERS SOLDERED, PINS 2 & 3 GO HIGH.

1ST BOARD VERSION LAYOUT

For Single Division Stop Setups

TO SET THE VERSION JUMPERS:

Refer to  the version charts. (Note that Ahlborn Galanti versions available upon request.)

The version binary number is shown after the version numbers.

Example: for program change messages the version binary number is “111” or all bits high.

Both VER 1 & 2 jumpers should be soldered and the  center screw on the midi is jumpered to either the high or low screw along with the power wires.