I'm testing guitar cables, and I get an X pattern for each. I've tested 3 cables. Cable 1 has shown occasional problems lately: Cable 2 is used but has never malfunctioned; Cable 3 is a brand-new cable, never used. For all 3, I get the same reading. I assume the X-pattern shows that the cable is "good," is that right?
Yes, a display of "X" means the cable is good. This guy does a good job with laying it all out. There's other modes to check the cable.
http://guitarkitbuilder.com/content/gear-review-behringer-ct100-cable-tester
SOURCE: Beringher CT100.. X Pattern on LED grid when testing an xlr cable
This site has diagrams... not the best but clear enough.
PLEASE note that the pin numbering is kind of goofy... The pins of both the male and female tie to identical pin numbers.
You PROBABLY have misread the numbering at one end.
A KEY thing is to get the shield on pin 1 at both ends.
I recommend that you uncap BOTH connectors, mate them, and verify the same color goes straight across as you solder the wires..
Note: I had some brand new cables delivered that the shield had been connected to pin 3 (middle one) and I had hum ! Note that this defect would NOT be caught by your cable tester as there was conituity between corresponding pin numbers.
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