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Kujako

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So working again on getting some light gun games up and running. Trying to get into a calibration menu, but the service screen requires using a "service" button to navigate. I seem to have no such thing. Anyone know of a work around?
 
Atomiswave has the service button as per the jamma spec, on pin 14 solder side (aka R). Connect a button there, one leg to ground.

What kind of a (crappy) supergun doesn't have a service button?
 
Atomiswave has the service button as per the jamma spec, on pin 14 solder side (aka R). Connect a button there, one leg to ground.

What kind of a (crappy) supergun doesn't have a service button?
You're basic Chinese "cbox" style one. Has test, but not service (shrug). Ah, but now that you mention it I do have a Chinese JAMMA extension cable (with adjustments to vert/horz position etc) that DOES have test+service. So I'll just use that.

(no calibration menu, dang)
 
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