GPSMAP276C Software Version 3.70
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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 3.60 to 3.70
1) Corrected issues with address search
2) Corrected issue with incorrect battery timer display
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Software 3.50 to 3.60
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 3.40 to 3.50
1) Improved visibility of airport runways on detailed maps
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Software 3.30 to 3.40
1) Removed possibility of accidentally enabling "Lock To Roads" when not in Automotive 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 3.20 to 3.30
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 Marine mode
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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Software 3.10 to 3.20
1) Fixed GPS unit to GPS unit transfer of user data.
2) Fixed handling of display options menu on the volume/backlight page.
3) Fixed waypoint category highlight error when dealing with a large category list.
4) Fixed "Searching" text being displayed without results when performing a find.
5) Added "Show on Map" option to menu of the Tide review page.
6) Added Sonar tab page to the Main Menu in Marine mode.
7) Improved readability of scroll bar arrows in Night mode.
8) Darkened Automotive mode Metro Area colors in Night mode.
9) Restored Find menu functionality when projecting a waypoint position.
10) When projecting a waypoint, the navigation context is now consistent.
11) Restored ability to download almanac data.
12) Added translations for the Greek language and updated other language's translations.
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Software 3.00 to 3.10
1) Fixed shutdown when the map heading line is enabled.
2) Fixed problem that would prevent changing the CDI scale using the zoom in/out keys in Marine usage mode.
3) Improved readability of map label text in Automotive usage mode.
4) Fixed the Sun & Moon page to update the date and time when using the 'Play' and 'Fast Forward' buttons.
5) Corrected find operation behavior when a diacritic character is highligted.
6) Changed to use 24x24 custom waypoint symbol in connection with xImage.
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Software 2.70 to 3.00
1) Added support for remote sonar.
2) Added Marine DSC Support.
3) Added new Distance and Speed unit, Nautical (nm, kt, m).
4) Added Custom Avoids and Custom Road Preferences to Road Routing setup.
5) Added calendar pages (day, week, and month) to the main menu.
6) Added column titles to the Add/Edit Vias page.
7) Added option to point review pages to Add to Current Route when navigating
an auto-route.
8) Added carpool lanes to avoid options in Road Routing setup.
9) Added auto backlight adjustment based on sunrise and sunset.
10) Added Voice Prompt option to Sound setup, ability to limit or prevent voice prompts.
11) Added output rate configuration to the Advanced NMEA setup page.
12) Added support for non-U.S. time zones.
13) Added GPS status to the list of configurable data fields.
14) Added support for selecting active track color.
15) Added choice to Routes Setup to transition waypoints by distance when navigating
a manual route.
16) Added options to Volume/Light control page to go to Sound or Display setup menus.
17) Increased number of proximity waypoints to 100.
18) Changed Data Card Information page into Map Information page to include
version information for all map data ( Base map and Aviation databases ).
19) Fixed Hide/Show All options on the Map Information page.
20) Fixed Lock to Road option so unit remembers user's changes to it.
21) Popup text on the map page is positioned to avoid appearing under the cursor.
22) Fixed problem preventing user from editing the elevation of user waypoints.
23) Added abilitiy to move waypoints in active manual routes.
24) Enabled Odometer as a configurable field in Marine mode.
25) Fixed address searches so number field will show all valid characters.
26) Fixed issue with Map setup that prevented the user for changing the Marine
navaid symbol set.
27) Added support for auto CDI scale setting.
28) Modified Route list page to indicates an active route with an icon to the
left of the route name.
29) Fixed highlight movement bug on proximity waypoints page.
30) Fixed shutdown when clearing active track log.
31) Fixed TracBack operation for large tracks.
32) Added Marine timer as a page layout for the compass page.
33) Fixed functionality of deleting waypoints by category.
34) Added Blank configuration field for Map With Overlay layout.
35) Fixed issue with Indonesian Southern grid being located in the wrong area.
36) Updated language translations.
37) Fixed issue with displaying Blue Chart data without water color.
38) Fixed shutdown when attempting to view the map families via the Data Card Information Page
39) Corrected problem with on route gotos.
40) Fixed problem with autoroute icon not showing up for all saved autoroutes.
41) Corrected problem with routes transferred from MapSource that show improper Distance and ETE values.
42) Fixed problem on the Active Route Page that prevented the Change Data Fields option from working properly.
43) Corrected the way the date is displayed on the Calendar page to be consistent with other pages.
44) Fixed problem with display of the Find menu from the Month tab of the calendar.
45) Fixed problem with TracBacks on large saved tracks.
46) Improved backlight auto-adjustment feature, turned this feature off by default.
47) Added standard European and Australian time zones.
48) Fixed Daylight Savings to work correctly in the Southern hemisphere.
49) Fixed shutdowns while driving in Automotive mode without a route active.
50) Fixed problem with entering dates on the Sun and Moon page.
51) Fixed the point review page option Append To Route to correctly add the point to the end of the selected route.
52) Fixed problem with Edit Via page displaying the pointer improperly.
53) Fixed shutdown when attempting to view the Log Filter tab on the main menu Message Tab.
54) Fixed problem with Calendar Day page not always displaying the items.
55) Simplified fuel timer control on the timer setup tab page.
56) Added range tick marks to heading line.
57) Changed metro area color to improve visibility.
58) Added cardinal direction indicator to position page's nearest point display.
59) Fixed unwanted characters that could appear in waypoint comment when saving a waypoint from an address.
60) Fixed possible display problems on the saved tracks page.
61) Fixed possible date display problems on tide page.
62) Improved "Proximity Alarm Memory is Full" message to appear everytime when trying to upload proximity waypoints to the unit once maximum limit has reached.
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Software 2.60 to 2.70
1) Fixed problem with display of hyphen when using German.
2) Fixed problem with Mapsource data transfer where unit would not accept maps and
waypoints at the same time.
3) Fixed problem occurring in German, French, Spanish, Polish, and Portuguese.
If the 276C was set to one of these languages listed, and you attempted to reset the max
speed within the trip computer, the 276C would lock up.
4) Corrected problem when transitioning from the charging screen and attached to external power.
5) Improved handling and display of routes created on the PC and transferred to the unit.
6) Corrected problem on celestial pages which could cause the unit to shut down during cursor movement.
7) Unit no longer attempts to convert a Tracback route to a road route when switching from
marine mode to automotive.
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Software 2.50 to 2.60
1) Increased max maps displayed.
2) Removed delay which sometimes occured when changing interface formats.
3) Fixed problem that may have occurred when swapping cards during a simulated
route.
4) Fixed problem that occurred when using elevation field in the overlay map
view in automotive mode.
5) Added alert message to indicate when the user timer has expired.
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Software 2.40 to 2.50
1) Corrected problem with certain alarms working only during active navigation.
2) Corrected problem with the exteral alarm pin.
3) Improved Find functionality.
4) Improved route line drawing.
5) Route waypoint transition settings can now be different for Marine and Automotive usage modes
6) Added the ability to perform manual route waypoint transition on the Active Route page via the
menu or zoom in/out keys
7) Changed approaching waypoint alarm message to show the next course if available
8) Corrected problem that could cause incorrect course guidance after navigating an on-route goto
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Upload Instructions:
Instructions for uploading the new software to your GPSMAP276C using Microsoft
Windows 95/98/NT:
1. Download the appropriate self-extracting archive file for your GPSMAP276C
onto your hard drive.
2. Unzip the files in the archive by running the downloaded executable file.
3. Connect your GPSMAP276C to a free USB or serial port (Com 1 through 8) on your PC
with the correct PC interface cable.
4. Turn on your GPSMAP276C.
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 GPSMAP276C's display will indicate "Software
Loading...." The upload process should take 3-10 minutes to complete.
When the upload is completed, the GPSMAP276C will reset itself and turn on
normally.
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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.