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1. 09:24 PM - King KT76 tso transponder....ambient light sensor adjustment (skywagon)
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| Subject: | King KT76 tso transponder....ambient light sensor adjustment |
My KT76 transponder sits on the bottom of my radio stack. As such, in daylight
flights, it's ambient cabin lighting sensor "senses" that it is operating in
evening/low light conditions and dims down the transponder radar pulse return
lamp such that it can barely be seen in daylight operation. The sensor is operational
as reflecting bright light on it, the pulse flash lamp comes up in brilliance.
I have not been able to find a schematic that shows this lamp control circuit.
I am assuming that that the circuit contains a bias control pot. that when located
can be tweaked to allow the pulse return lamp to blink at a higher intensity.
Any help would be greatly appreciated.....
Dave
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http://forums.matronics.com/viewtopic.php?p=218835#218835
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