Furuno FSV-24 Operator's Manual page 66

2. HORIZONTAL MODE
TVG DISTANCE: Sets the TVG effective distance for near, medium and far
ranges.
Setting range
NEAR: 50-150 m, 10 m increments, default setting 100 m
MED: 300-500 m, 20 m increments, default setting 400 m
FAR: 600-1000 m, 40 m increments, default setting 800 m
To adjust a TVG curve, select
to change the setting.
SMOOTH ECHO RNG: Selects echo smoothing level in the range direction. The
setting range is 0-3 and the default setting is 0. The higher the setting the
greater the smoothing.
SMOOTH ECHO CIR: Selects echo smoothing level in circular direction. The
setting range is 0-3 and the default setting is 0. The higher the setting the
greater the smoothing.
BEAMWIDTH: Adjusts horizontal beamwidth. For further details see "2.10
Adjusting Beamwidth" on page 2-15.
2-38
or of item desired and press the [MENU] key
NEAR MED FAR
100 400 800
CANCEL
Select item with trackball
and press [MENU] key to
change setting.
Figure 2-49 TVG setting window
Select to register
setting and finish.
QUIT
Quit
Select to cancel
Cancel
change.