GARMIN GPS12XL/48/80 Software Upgrade Information
Software Version 4.60
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WARNINGS:
If this software is uploaded to a GPS unit other than the product for
which it is designed, you will not be able to operate that unit.
If the upload software fails, verify that you have good batteries installed
and try again. If repeated upload attempts fail, you may need to return
the unit to GARMIN for service.
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Instructions for uploading the new software to your GPS using Microsoft
Windows 95/98/NT:
1. Download the appropriate self-extracting archive file for your GPS onto
your hard drive.
2. Unzip the files in the archive by running the downloaded executable file.
3. Connect your GPS to a free serial port (Com 1, 2, 3, or 4) on your PC with
a PC interface cable.
4. Turn on your GPS and ensure the Serial Data Format is set to "GARMIN". You
can find this setting in Setup Menu -> Interface.
5. Change to the directory in which you unzipped the files, (i.e., C:\GARMIN),
and run the update program, updater.exe. Select the appropriate serial
port and click "OK" to begin the software upload.
During the upload, the GPS's display will indicate "UPLOAD IN PROGRESS"
The upload process should take 3-10 minutes to complete. When the upload
is completed, the GPS will reset itself and turn on normally.
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Changes Made from Versions 4.58 to 4.60:
1. Updated French translations.
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Changes Made from Versions 4.57 to 4.58:
1. When receiving a waypoint from NMEA input initialize the waypoint symbol
to a simple dot.
2. Update magnetic variation tables based on the new IGRF 2000 model.
3. Corrected Loran TD position format secondary station "W - Whisky" for chain
number GRI-9960.
Download Driver Pack
After your driver has been downloaded, follow these simple steps to install it.
Expand the archive file (if the download file is in zip or rar format).
If the expanded file has an .exe extension, double click it and follow the installation instructions.
Otherwise, open Device Manager by right-clicking the Start menu and selecting Device Manager.
Find the device and model you want to update in the device list.
Double-click on it to open the Properties dialog box.
From the Properties dialog box, select the Driver tab.
Click the Update Driver button, then follow the instructions.
Very important: You must reboot your system to ensure that any driver updates have taken effect.
For more help, visit our Driver Support section for step-by-step videos on how to install drivers for every file type.