Furuno 1823C-BB Operator's Manual page 194

5. CUSTOMIZING YOUR UNIT
Item
Disable Every GPS satellite is broadcasting abnormal satellite
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 C:ENTER soft key.
Latitude Sets initial latitude position after cold start. Use the
A:N< - ->S soft key to switch coordinate.
Longitude Sets initial longitude position after cold start. Use the
A:W< - ->E soft key to switch coordinate.
Antenna Enters the height of the GPS antenna unit above sea
Height surface. For further details refer to the installation
manual.
GPS Fix Chooses position fixing method: 2D (three satellites in
Mode view), 2D/3D (three or four satellites in view whichever
is greater).
Cold Start Clears the Almanac to receive the latest Almanac.
B:GPS Displays GPS satellite status display. Requires GPS
STATUS Receiver GP-310B/320B or GPS navigator outputting
(soft key) the data sentence GSA or GSV. For further details see
the chapter on Maintenance.
5-24
Contents of GPS setup menu (con't from previous page)
Description
offered by Busse-Yachtshop.de
Settings
Max. 3 satellites
—
—
0-99 m
2D, 2D/3D
No, Yes