Furuno 1734C Service Manual

7. CUSTOMIZING YOUR UNIT 

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. 

0-999 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/320B or 
GPS navigator outputting the data 
sentence GSA or GSV. For further details 
see the chapter on Maintenance.