F1 GTN 750 frequencies

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dhplane
Posts: 72
Joined: Sun Dec 13, 2015 9:06 am

F1 GTN 750 frequencies

Post by dhplane »

I'm having trouble entering frequencies with three decimal places in the GTN 750... I have the unit configured for three decimal places but when I input certain frequencies it rounds them up or down and I can't communicate.

Today I tried entering the ground control frequency for KMRY (120.875) and it kept changing it to 120.880

I tried talking on this frequency (120.880) but could not get the controller to respond.

It's probably a simple fix but I can't find it... any ideas??

Thx!
Ryan B
Posts: 856
Joined: Mon Mar 05, 2012 2:37 pm

Re: F1 GTN 750 frequencies

Post by Ryan B »

Can you set it back to two?

You should be able to tune 120.87
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dhplane
Posts: 72
Joined: Sun Dec 13, 2015 9:06 am

Re: F1 GTN 750 frequencies

Post by dhplane »

Hi Ryan,

Thanks for the suggestion... unfortunately I set it to 2 decimal positions and entered 120.87 but it changed it to 120.85 on its own. I even took the frequency from the FREQUENCIES list in the NEAREST menu but it did the same thing.

At this point I'm starting to think I may have to re-install the GTN but I don't want to do that unless it's absolutely necessary.

Thanks anyway, it is much appreciated!

Joey
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