Hi Garmin Gurus,
In reviewing the manual (Rev H) for the GDL-39R, I see that the Discrete Input (Pin 1) can be used to remotely power the unit on & off. The manual says to ground this pin to power the unit on and remove ground to power it off. It also says to not connect this wire if not using a remote switch...
Isn't 'not connecting' the pin the same as removing ground, and so not allowing the unit to power up?
Thanks!
Russ
Hello Russ,
Once you have applied aircraft power to the GDL 39R, a remote switch connected to this discrete may be used to toggle the unit on/off, but we don't believe there is any benefit to using this discrete input on a GDL 39R.
If you want to be able to turn the unit on/off, we recommend installing a power switch and doing it with this switch. This is what I have done in my aircraft.
Thanks,
Steve