Furuno COLOR VIDEO PLOTTER 1833C Operator's Manual page 195

5. CUSTOMIZING YOUR UNIT
Item
Disable Every GPS satellite is broadcasting
Satellite 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.
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 Enters the height of the GPS antenna unit
above sea surface. For further details refer
Height
to the installation manual.
GPS Fix Chooses position fixing method: 2D (three
Mode satellites in view), 2D/3D (three or four
satellites in view whichever is greater).
Cold Start Clears the Almanac to receive the latest
Almanac.
GPS Displays GPS satellite status display. Requires GPS Receiver GP-310B or GPS
STATUS navigator outputting the data sentence GSA or GSV. For further details see the
(soft key) chapter on Maintenance.
5-24
Contents of GPS setup menu (con't from previous page)
Description Settings Default Setting
Max. 3 satellites None
— 45°35.000'N
— 125°00.000'W
0-99 m 5 m
2D, 2D/3D 2D/3D
No, Yes No