Garmin GPSmap 276C

Garmin GPSmap 276C details on Garmin site

Moving map, auto-routing GPSR with colour screen, voice and fast processor, Garmin data card, rechargeable lithium-ion battery, USB

Includes;

Fixed marine mount

9 pin power(12v)/data/speaker/NMEA cable (bare wire ends)

USB cable

9 pin AC power adapter

Trip and Waypoint Manager software

Lithium Ion rechargeable battery

Note that CD mapping, Garmin format data card and speaker are extra cost

Firmware upgrade (recommended);

On 1 December 2004 Garmin released firmware v2.94 beta which fixed a number of issues as well as adding auto-routing avoids and custom preferences. On 14 December Garmin released firmware v3.0, on 7 January 2005 v3.10 and on 15 March they released v3.20 (available here).

Following shots thanks to Fred H;

Map screen


Screen in sunlight

Additional pictures

Features;

• When plugged into the AC power adapter or when connect to a 12v supply the re-chargeable battery will automatically be charged
• When connected to a 12v source and power is lost the unit will give a warning and power down after 30 seconds if no button is pressed. When power is re-supplied the unit will automatically power up
• The re-chargeable battery will last 12 hours plus with the backlight set to one third or less. With the backlight on full the battery will last about 7 hours

Secret commands:

1.) Self test; ENTER key pressed while turning on the unit ( not the Menu key). When in self test, press PAGE many times to show screen testing (colors etc)

2.) USER Reset; hold QUIT pressed when turning unit ON (will delete waypoints, routes and tracklogs)

3.) MASTER reset; Zoom-OUT + QUIT + NAV and power ON. Hold keys for 10-12 seconds. Beware of this because you lose all almanach and temperature compensation table ! (it reconstructs itself but takes time)

4.) If the unit "crash" (à la Windows) when flashing firmware, or does not power-on, you can try to re-flash firmware by: holding PAGE + ENTER + DOWN keys when turning the unit ON and hold these 3 keys when you re-flash the firmware with a good copy

To reset the year;

MENU MENU

Setup, Time, MENU, Set Date, reset the year

then go outside and get a satellite fix

New power/data plug

Plug comparison


Speaker with 12/24v cable - P/N 010-10512-00 (additional cost)