Furuno 1834C-BB User Manual

7. CUSTOMIZING YOUR UNIT 

Background 
Color  

Chooses colors of background, 
range rings and characters. 
Effective when C: HUE soft key is 
set for MANUAL SET. 

 

Black/Green 
Background: Black 
Rings: Green 
Characters: Green 
Black/Red 
Background: Black 
Rings: Green 
Characters: Red 
Blue/White 
Background: Blue 
Rings: White 
Characters: White 
DK Blue/White 
Background: Dark Blue 
Rings: Green 
Characters: Red 
White/Green 
Background: White 
Rings: Green 
Characters: Green 

Echo Color 

 

Chooses echo color. 

 

Yellow, Green,   
Multi-color. (Multi-color shows echoes 
in red, yellow or green in order of 
descending strength.) 

2ND Echo 
Rejection 

Reduces second-trace echoes. See 
the paragraph “2.24 Suppressing 
Second-trace Echoes.” 

On, Off 

Watchman 
Time 

Sets watchman stand-by period. 
For further details see the 
paragraph “ 2.23 Watchman.” 

5, 10, 20 minutes 

Range Unit 

Select unit of range measurement. 

nm, km, sm 

Trail Mode 

 

Sets echo trail reference. 

 

Relative trail is available in all 

presentation modes except true 
motion. True trail is available in all 
modes. 

Echo trails plotted in actual 

courses and speeds. Requires 
compass signal and speed input. 
Relative:

 Echo trails move relative to 

own ship.