I was rethinking the b/u wiring strategy for my mini the other day. I have a separate 5ah battery to feed my HXr and mini. This helps me keep the blue side up in IFR if I have a catastrophic elec failure and also lets me shed some power from the main batt.
I am using an external rheostat for the display dimming and realized that I didn't bring the backup battery to that dimmer circuit. If I lost the main batt feed, the GRT's would go dark and I would be required to remember the button presses necessary for the dimming function, which I don't remember as I don't use them. I am not even sure the manual dimming function would work when set up for external dimming, but I thought I read somewhere that it can override the external.
Just thought I would share with others. Each power feed arrangement for the GRT's will require including the GRT dimmer circuit, if it is used.
Larry
I am using an external rheostat for the display dimming and realized that I didn't bring the backup battery to that dimmer circuit. If I lost the main batt feed, the GRT's would go dark and I would be required to remember the button presses necessary for the dimming function, which I don't remember as I don't use them. I am not even sure the manual dimming function would work when set up for external dimming, but I thought I read somewhere that it can override the external.
Just thought I would share with others. Each power feed arrangement for the GRT's will require including the GRT dimmer circuit, if it is used.
Larry
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