New Transducers 250C 사용자 설명서

B

ASIC

 O

PERATION

 > 

U

SING

 

THE

 M

AIN

 M

ENU

The Units tab defines units of measure. 

Main Menu—Units tab

The following settings are available:

• 

Depth—select units of measure for depth in Feet (ft), 

Fathoms (fa), or Meters (m).

• 

Temperature—select units of measure for temperature in 

Fahrenheit (°F) or Celsius (°C).

• 

Distance and Speed—select units of measure for distance 

and speed readouts in Nautical (nm/ft, kt), Nautical (nm/m, 

kt), Statute (mi, mh), or Metric (km, kh) terms.

• 

Position Format—change the coordinate system in which a 

position reading is displayed. The default format is latitude 

and longitude in degrees, minutes, and thousandths of a 

minute (hddd°mm.mmm’). The following additional formats 

are available: latitude/longitude in decimal degrees (hddd.

ddddd°) and latitude/longitude in degrees, minutes, and 

seconds (hddd°mm’ss.s”).

•

  Heading—select the reference used in calculating heading 

information for the the following advanced data fields: 

Bearing, Compass, Course, and Track (pages 23-24). True 

will display data with reference to True North. 

Magnetic 

will display data with reference to Magnetic North using 

the magnetic variation value received in the RMC NMEA 

sentence (page 23).

The Sonar tab allows you to initialize settings and calibrations. 

Main Menu—Sonar tab