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To set up Loran TD from the Main Menu:
1. Press MENU twice to display the Main Menu.
2. Use the Rocker key to highlight Setup on the vertical tab list.
Then select Location from the row of horizontal tabs.
2. Using the Rocker key, highlight the Location Format field
and press ENTER.
Location Tab of the Setup Tab
3. Highlight Loran TD press ENTER.
4. Highlight the Setup button located on the right side of the
Location Format field and press ENTER. The Loran TD
Setup window appears.
5. To change the settings of any of the five fields, highlight
the field, press ENTER, enter the desired setting using the
Rocker key, then press ENTER.
LORAN TD Setup
6. When done, highlight the Save button and press ENTER.
If the active GRI Chain, secondary stations, or offsets have been
changed since the waypoint was created, the waypoint will now
reference the active GRI chain and secondary stations and adjust the
TD coordinates accordingly. Remember that the GPS is not relying
on the LORAN signal for navigation and actually converts the
TD coordinate to a useful latitude and longitude coordinate before
storing the waypoint to memory or using it for navigation. Because
of this, the unit can navigate to a TD coordinate anywhere in the
world.
You must know your GRI chain number and secondary stations
to create a LORAN TD position. For more information, read our
LORAN TD Position Format Handbook, available at the Garmin
Web site, at
www.garmin.com/support/userManual.html.
GPSMAP 276C Owner’s Manual 111
APPENDIX > LORAN TD SETUP