Author Topic: Cancel mod for Harbinger 1.5?  (Read 270 times)

The Rotagilla

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Cancel mod for Harbinger 1.5?
« on: February 09, 2021, 11:51:28 AM »

My Harbinger 1.5 is all built out and I'd like to add the cancel mod like on the Castledine Supra Vibe. After comparing schematics, it looks like all I need to do is short Pin 2 of the Offset trimmer to ground but wanted to double check with you guys so I don't fry anything.



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Re: Cancel mod for Harbinger 1.5?
« Reply #1 on: October 14, 2021, 12:55:45 AM »
Yes. That is how the 'Cancel' function of the original version worked; by shorting the base of the transistor driving the bulb to ground.