Single Frequency Display - Furuno FCV-1900 Operator's Manual

1. OPERATION
Picture advance speed
x
Stabilization icon:
Appears when the
LF: 2.0
heaving
compensasion is
Display mode and gain
on.
(Left: Display mode
right: Gain
47.6
1.4.1

Single frequency display

Low frequency
The lower the frequency of the ultra-
sonic signal, the wider the detection
area. Therefore, the low frequency is
useful for general detection and judg-
ing bottom condition.
High frequency
The higher the frequency of the ultra-
sonic signal, the better the resolution.
For this reason the high frequency is
ideal for detailed observation of
school of fish.
1-4
From left:
Internal fish finder,
external fish finder,
telesounder
1 1 1
x x
0.0
Color bar
Depth
Function of the
F1 and F2 key.
m
Display example (low frequency echo)
Alrarm icon
Screenshots taken/
Total no. of screenshots
1 1 1
x x x
0
0.0 0.0
LF: 2.0
Transmission line
20
Fish echo
40
Bottom
47.6 47.6
ft ft
60
1 Graph Location 1 Graph Location
2 TVG 2 TVG
*: Each bar equals 30 seconds.
Low frequency
Detection area
Function of the ENTER knob
0/99 VRM 0.0
0 0
Minute marker*
20 20
Range scale
Alarm marker
40 40
60 60
80 80
High frequency