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Old 13th March 2003, 04:12 AM   #1
diyAudio Member
 
Join Date: Jan 2003
Location: Boston USA
Default Heathkit IT-17 Tube checker

Anyone have experience with one? I have one, but without the manual, and have a operation question. The switch setup for every tube part number has a code which I can't figure out. The switch identifying letter (if used for testing a particular tube) is either shown in light print, or bold print, or grouped with another switch(s) within parenthesis. What do these diferent ways of showing the switch identifiers mean?

Thanks
Tom
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