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  #1  
Old 03-18-2021, 01:43 PM
flysrv10 flysrv10 is offline
 
Join Date: Jan 2010
Location: Florida
Posts: 337
Default G3X and dimmers

Anyone connecting G3x to dimmers? If so, what brand and model dimmer you would recommend. Thank you.
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  #2  
Old 03-18-2021, 01:51 PM
AlpineYoda AlpineYoda is offline
 
Join Date: Nov 2019
Location: Boulder, CO
Posts: 274
Default

I'm still waiting on my panel, so I have no experience with G3Xs.

But I have a ton of experience with G1000 screens in certified planes. I know the G1000 has a menu for dimmers and is controlled by those settings with itself.

Is the G3x different and requires an external switch?
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  #3  
Old 03-18-2021, 02:25 PM
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Walt Walt is offline
 
Join Date: Aug 2005
Location: Dallas/Ft Worth, TX
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Quote:
Originally Posted by flysrv10 View Post
Anyone connecting G3x to dimmers? If so, what brand and model dimmer you would recommend. Thank you.
I install dimmers on all panels for G3X and GTN units. I simple 10K pot works fine.
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Walt Aronow, DFW, TX (52F)

EXP Aircraft Services LLC
Specializing in RV Condition Inspections, Maintenance, Avionics Upgrades
Dynamic Prop Balancing, Pitot-Static Altmeter/Transponder Certification
FAA Certified Repair Station, AP/IA/FCC GROL, EAA Technical Counselor
Authorized Garmin G3X Dealer/Installer
RV7A built 2004, 1900+ hrs, New Titan IO-370, Bendix Mags
Website: ExpAircraft.com, Email: walt@expaircraft.com, Cell: 972-746-5154
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  #4  
Old 03-18-2021, 02:41 PM
flysrv10 flysrv10 is offline
 
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Location: Florida
Posts: 337
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Quote:
Originally Posted by Walt View Post
I install dimmers on all panels for G3X and GTN units. I simple 10K pot works fine.
Thank you. Any 10k dimmer? Typical Amazon? Any particular brand.
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  #5  
Old 03-18-2021, 03:01 PM
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Skykingbob Skykingbob is offline
 
Join Date: May 2012
Location: Bealeton Virginia
Posts: 569
Default Dimmers

Quote:
Originally Posted by flysrv10 View Post
Anyone connecting G3x to dimmers? If so, what brand and model dimmer you would recommend. Thank you.
These dimmers were recommended to me by the large avionics shop doing my harness. I bought the two pot model for my flood lights I have in my RV8. you can get one to four circuits. They will prefab the harness for an extra fee if you want them to.

https://www.aircraftspruce.com/catal...sptdimming.php
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  #6  
Old 03-18-2021, 04:01 PM
rapid_ascent rapid_ascent is online now
 
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Location: Dublin, CA
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Just go to Mouser or Digikey and order any 10K, panel mount, single turn, potentiometer. Bourns makes high quality units.
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  #7  
Old 03-18-2021, 04:10 PM
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Walt Walt is offline
 
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Correction, 1K, these are the ones I use:
https://www.mouser.com/ProductDetail...rrencycode=USD
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Walt Aronow, DFW, TX (52F)

EXP Aircraft Services LLC
Specializing in RV Condition Inspections, Maintenance, Avionics Upgrades
Dynamic Prop Balancing, Pitot-Static Altmeter/Transponder Certification
FAA Certified Repair Station, AP/IA/FCC GROL, EAA Technical Counselor
Authorized Garmin G3X Dealer/Installer
RV7A built 2004, 1900+ hrs, New Titan IO-370, Bendix Mags
Website: ExpAircraft.com, Email: walt@expaircraft.com, Cell: 972-746-5154
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  #8  
Old 03-18-2021, 06:14 PM
TShort TShort is offline
 
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Location: Indianapolis, IN (KUMP)
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Quote:
Originally Posted by Walt View Post
Correction, 1K, these are the ones I use:
https://www.mouser.com/ProductDetail...rrencycode=USD
So is it for sure 1K?

I've been chasing an issue with mine since the panel re-do 3 years ago. It is SUPER sensitive, and only works through ~5-10% of the range. I've not troubleshot it much as I don't need to adjust the lighting often.

I just looked, and I bought that same model in 10K.

So, if it is supposed to be 1K, I may have found the problem...
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  #9  
Old 03-18-2021, 06:25 PM
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mfleming mfleming is offline
 
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Location: Joseph, Oregon
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G3X and GAD 27...these are the dimmers SteinAir sent me for my setup.
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RV-7 Slider #74572
Started 11/2016
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Ailerons and flaps completed 3/2017.
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  #10  
Old 03-18-2021, 08:35 PM
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Walt Walt is offline
 
Join Date: Aug 2005
Location: Dallas/Ft Worth, TX
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Quote:
Originally Posted by TShort View Post
So is it for sure 1K?

I've been chasing an issue with mine since the panel re-do 3 years ago. It is SUPER sensitive, and only works through ~5-10% of the range. I've not troubleshot it much as I don't need to adjust the lighting often.

I just looked, and I bought that same model in 10K.

So, if it is supposed to be 1K, I may have found the problem...
I think I switched to the 1K models to help with resolution but the 10k should work just as good and I believe it is what Garmin calls out.
More importantly you also have to go into the dimmer menus and adjust the curves/set points to make them operate properly.
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Walt Aronow, DFW, TX (52F)

EXP Aircraft Services LLC
Specializing in RV Condition Inspections, Maintenance, Avionics Upgrades
Dynamic Prop Balancing, Pitot-Static Altmeter/Transponder Certification
FAA Certified Repair Station, AP/IA/FCC GROL, EAA Technical Counselor
Authorized Garmin G3X Dealer/Installer
RV7A built 2004, 1900+ hrs, New Titan IO-370, Bendix Mags
Website: ExpAircraft.com, Email: walt@expaircraft.com, Cell: 972-746-5154

Last edited by Walt : 03-19-2021 at 05:45 AM.
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