Ground
Lug
Tip
Lug
0.00
Figure 3-7: Locating the Tip Lug
Because many of these jacks will have three (or more!) lugs, depending on the type you
purchased. Particularly, if it’s got three lugs, we’ll discuss that here in a second.
Now that you know which lug is the “tip” lug, write it down in a little diagram for
yourself. Move the DMM lead from the “tip” of the cable that’s still plugged into your
jack to the ground of the cable that’s plugged into your jack. Repeat the process until
you’re sure which lug is the ground lug of your jack.
Ground
Lug
Tip
Lug
0.00
Figure 3-8: Locating the Ground Lug
Back to that “third” lug: One option of the
electro-music
Klee Sequencer, called the
“Auto Switching External/Internal Range Option” (number 3 on page 9 of the front
panel/interconnect schematic) requires a normally closed (n.c.) switching jack. This type
of jack provides an extra lug called the “n.c. switch lug” that has continuity between the
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