What firmware version did you modify? 3.00, 3.10, 4.x0?
You have to read carefully the readme.txt. Before you copy the modified GUPDATE.GCD (let's assume you change 3.10), you have to update your GPS back to 3.00 and then use the modified file to get back to 3.10.
That is a bit painful to do.
On the 760, the screen bip is not in any of the 6 wav files. Maybe it is different on your model.
Edit: Audacity will help you create a "nothing" wave file. It does not deal with GUPDATE.GCD. Once you have you "nothing" file (audio file with silence in it), you can use GUpdateMod to replace the wave4 with your "nothing" file. This will create a new GUPDATE.GCD with a silence in wave 4.
Note: Using Audacity, you can also make a much smaller file with a silence in it. I think my program still requires a file a bit smaller than the original. See the readme.
Joined: 23 Sep 2008 Posts: 10 Location: Allentown, PA
Thu Sep 25, 2008 1:19 pm
Thanks Turbo. I didn't modify anything yet because it sounded a little complicated to use the new gcd file. I'm not sure what firmware version I have. I'll have to check your readme file to see where that information is located. Maybe the readme file mentions it is at the top of the gcd file. I forget but will check the readme file again.
If I'm at 3.10, exactly what steps would I need to do to get back to 3.00 so that I can force an update back to 3.10? Not clear in this area yet.
By the way, I forget the file number but another file appears to be used to make a "beep" type noise when the volume level is changed on the C580. That is another candidate for the "silence" file.
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