1. GPSMAP276CPlus_260.exe Driver
2. 276plus_0260.txt File Contents

276plus_0260.txt Driver File Contents (GPSMAP276CPlus_260.exe)

276 Plus Software Version 2.60

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To view the software version, complete the following steps: 

 1) Press the Menu key twice to access the Main Menu. 
 2) Select the System tab ( Systm ), and press Menu. 
 3) Select the System Information option and press Enter. 
 4) The software version will be displayed on screen.  

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Warnings:

If you are updating from a previous software version, this software will 
clear user memory.  Please back up important data (routes, tracks, and waypoints) 
to MapSource prior to updating. 

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 a charged battery
and try again.  If repeated upload attempts fail, you may need
to return the unit to GARMIN for service.

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Notes:

Change History:

Software 2.50 to 2.60

  1) Corrected issues with address search

  2) Corrected issue with incorrect battery timer display

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Software 2.40 to 2.50

  1) Added output of NMEA APB sentence

  2) Corrected issue with restoring defaults on Com setup pages

  3) Corrected issue that could cause "lock to road" setting in Automotive
     mode to be reset
  
  4) Corrected issue that could cause unit to power off when editing
     information on the Welcome setup page

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Software 2.20 to 2.40

  1) Improved visibility of airport runways on detailed maps

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Software 2.10 to 2.20

  1) Removed possibility of accidentally enabling "Lock To Roads" when not in Automotive or offroad mode

  2) Added configurable field for UTC Time

  3) Improved Low Battery warning message

  4) Fixed nav alarms (next turn, arrival, off course, and anchor drag) 

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Software 2.00 to 2.10

  1) Added support for German tide stations

  2) Added support for more time zones

  3) Added support for NMEA BWC and extended DSC (DSE) sentences

  4) Added support for LakeMaster maps

  5) Added ability to select a particular map family when performing an address
     search

  6) Added ability to stop navigation from the Current Route page when in
     Automotive mode

  7) Improved accuracy of track log generation

  8) Improved readability of owner information text during powerup
 
  9) Improved USB transfers from MapSource

 10) Increased resolution of distance fields when in Powerboat or Sailboat modes

 11) Corrected shutdown that could occur when performing a TracBack in
     Automotive mode

 12) Corrected shutdown that could occur on the Line tab of the Map Setup page

 13) Corrected default Nearest Type selection on Position page

 14) Corrected display of map outlines

 15) Corrected functioning of Off Course alarm

 16) Corrected date display on Celestial pages

 17) Improved display of street addresses in Find menu

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Upload Instructions:

Instructions for uploading the new software to your 276 Plus using Microsoft
Windows 95/98/NT:

1.  Download the appropriate self-extracting archive file for your 276 Plus
    onto your hard drive.

2.  Unzip the files in the archive by running the downloaded executable file.

3.  Connect your 276 Plus to a free USB or serial port (Com 1 through 8) on your PC
    with the correct PC interface cable.

4.  Turn on your 276 Plus.  
	If you are updating using a USB connection, ensure the Serial Data Format is 
	"Garmin Data Transfer (Disabled)" and the "USB (Garmin Data Format) shows "Connected".

	If you are updating using a serial connection, ensure the Serial Data Format is 
	set to "Garmin Data Transfer". 
	
	You can find these settings on the "Com 1" tab of the "Setup" tab on the Main Menu.


5.  Change to the directory in which you unzipped the files,
    (i.e., C:\GARMIN), and run the update program, updater.exe.  Select USB or the 
    appropriate serial port and click "OK" to begin the software upload.
    
    During the upload, the 276 Plus's display will indicate "Software
    Loading...."  The upload process should take 3-10 minutes to complete.
    When the upload is completed, the 276 Plus will reset itself and turn on
    normally.

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