Garmin GPSMAP 238 Sounder User Manual

Page 95

Reference

Main Menu: System Tab/

Units Tab

Track* – lets you enter a heading.
Speed* – lets you enter a speed.
Transducer* – lets you simulate using a Depth Only, Temp Only, or Temp/Speed transducer.
* These ﬁ elds will only appear when the unit is in Simulator Mode.
• System Information – displays the unit’s software, basemap version, and electronic serial number.

Press

for the following options:

• Defaults – restores settings on Systm page to default values.

• All Unit Defaults – restores all settings to Garmin’s original setup values for the entire unit.

Units Tab— deﬁ nes settings for Position Format, Map Datum, Heading, Distance, Speed, Elevation,
Depth, and Temperature.

The following settings are available:

• Position Format – is used to change the coordinate system in which a given position reading is dis-

played. You should only change the position format if you are using a map or chart that speciﬁ es a
different position format or wish to use a format you are familiar with. The default format is latitude
and longitude in degrees, minutes, and thousandths of a minute (hddd°mm.mmm’). The following
additional formats are available:

•

hddd.ddddd°

–

latitude/longitude in decimal degrees only

•

hddd°mm’ss.s”

–

latitude/longitude in degrees, minutes, seconds

•

UTM/UPS

–

Universal Transverse Mercator / Universal Polar Stereographic grids

• British Grid

• Dutch Grid

• Finnish KKJ27

• German Grid

• India Zones

• Irish Grid

• Loran TD

• Maidenhead

• MGRS

• New Zealand

• Qatar Grid

• RT90

• Swedish Grid

• Swiss Grid

• Taiwan Grid

• User Grid

• W Malayan RSO

For additional information on Loran TD setup, see pages 102-103.

Main Menu—Units Tab

Main Menu—System Tab
(Simulator Mode)

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