Garmin Personal Navigator GPS 48 Owner's Manual & Reference

Also see for Personal Navigator GPS 48: Declaration of conformity Supplementary guide Specifications

Garmin Personal Navigator GPS 48 Owner's Manual & Reference Manual pdf 55 page image

Magnetic Heading Reference (cont)To select a heading reference:1. Highlight the ‘HEADING’ field, and press E.2. Select the desired heading preference, and pressE.To enter a user-defined magnetic heading:. 1. Select ‘User Mag’ and press E.2. Enter the degrees and direction of magnetic variation,and press E.To select heading units for display:. 1. Highlight the present unit selection and press E.2.Select the desired units and press E.Speed FilterThe speed filter allows you to determine how theGPS48 responds to changes in track or ground speed.Three settings are available: automatic, on, or off. The‘Auto’ setting is the default and will monitor changes inyour current track and speed and adjust the receiver’sresponse time up to 255 seconds. Selecting a highersetting may be desirable in slow–speed applicationswith frequent changes in track.To enter a value for the speed filter:1. Highlight the ‘SPEED FILTER” field and press E.2. Select the ‘ON’ option and press E.3. Highlight the “speed value” field and press E.4. Press the E key to confirm the selection.51To enter a user-definedmagnetic variation, selectthe ‘User Mag’ option andenter the desired directionand value.REFERENCESpeed FilterThe speed filter smoothsthe speed reading in roughwaters or any environ-ment where there arerapid speed fluctuations.