Furuno GD-1700C - Manual (Page 190)

5. CUSTOMIZING YOUR UNIT
5-20
Contents of GPS sensor settings menu (con’t from previous page)
Item Description Settings
GPS Speed
Averaging Calculation of ETA is based on average ship’s
speed over a given period. If the period is too
long or too short, calculation error will result.
Change this setting if calculation error occurs.
The default setting is suitable for most
conditions. 0-999 seconds
Latitude,
Longitude Offset Offsets latitude position to In addition, refine
position accuracy. Use the N < - - > - S soft key
to switch coordinate. 0.001’S – 9.999’N
0.001’E – 9.999’W
Disable Satellite Every GPS satellite is broadcasting abnormal
satellite number(s) in its Almanac, which
contains general orbital data about all GPS
satellites, including those which are
malfunctioning. Using this information, the GPS
receiver automatically eliminates any
malfunctioning satellite from the GPS satellite
schedule. However, the Almanac sometimes
may not contain this information. If you hear
about a malfunctioning satellite from another
source, you can disable it manually. Enter
satellite number (two digits, max. 3 satellites),
then press the ENTER soft key. Max. 3 satellites
Latitude Sets initial latitude position after cold start. Use
the N < - - > - S soft key to switch coordinate. —
Longitude Sets initial longitude position after cold start.
Use the W < - - > - E soft key to switch
coordinate. —
Antenna Height Enters the height of the GPS antenna unit
above sea surface. For further details, refer to
the installation manual. 0-99 m
GPS Fix Mode Chooses position fixing method: 2D (three
satellites in view), 2D/3D (three or four satellites
in view whichever is greater). 2D, 2D/3D
Cold Start Clears the Almanac to receive the latest
Almanac. No, Yes
GPS STATUS
(soft key) Displays GPS satellite status display. Requires GPS Receiver GP-310B or
GPS navigator outputting the data sentence GSA or GSV. For further details
see the chapter on Maintenance.