Garmin GPS 152 - Manual (Page 32)

22
Reference
Map Page Options
• Measure Distance — allows you to measure the bearing and distance between any two points
on the map display.
To measure the Bearing/Distance between two points:
1. Highlight the ‘Measure Distance’ option and press ENTER/MARK. An on-screen pointer will appear
on the map display at your present position with ‘ENT REF’ below it.
2. Move the cursor to the desired reference point (the point that you want to measure from) and
press ENTER/MARK.
3. Move the cursor to the point that you want to measure to. The bearing and distance from the
reference point will be displayed in the data window at the top of the display.
4. Press the QUIT key to fi nish.
• Loran TD On/Off — allows you to toggle the position coordinate format between the current grid
and Loran TD (Time Delays). For setup of Loran TD, see pages 70-71.
• Big/Small Numbers — allows you to change the text size and number of data fi elds that will be
displayed. Big Numbers will display three data fi elds with larger text and Small Numbers will display
four data fi elds with smaller text.
To toggle between Big Numbers and Small Numbers:
1. Highlight the ‘Big Numbers’ or ‘Small Numbers’ option and press ENTER/MARK.
• Change Data Fields — allows you to specify the type of data displayed in each data fi eld used
on the map display.
The following options are available for display in data fi elds on the Map, Highway, Compass, and
Numbers pages:
• BEARING – Compass direction from your position to destination
• COURSE – Course over ground
• DEPTH – Depth below transducer (if receiving proper sonar NMEA data from other device)
• DIST TO DEST – Distance to fi nal waypoint (destination)
Small Numbers
(4 fi elds)
Big Numbers
(3 fi elds)
Measuring Distance/Bearing
(Full Screen Mode shown)
Bearing Distance
152 Manual Part 1.indd 22 11/27/2002, 2:55:53 PM