Enlarging Fish Echoes (Horizontal Expansion Display) - Furuno CH-300 Operator's Manual

2. HORIZONTAL MODE
2.12.6

Enlarging fish echoes (horizontal expansion display)

Fish echoes may be enlarged 1.5 times by using the horizontal expansion display. Press the
key to activate the horizontal expansion display (single frequency). Then, the horizontal
display is expanded at the center of training direction, bow direction.
Train center direction
318° –42°
48° –123°
138° –222°
228° -312°
You can switch between the single-frequency horizontal expansion display and the
dual-frequency horizontal expansion display alternately with the
Switching between single-frequency horizontal expansion and dual-frequency horizontal expansion displays
Train
position
Own ship
marker
2-18
Position after expansion
Moves to screen bottom
Moves to left side of screen
Moves to screen top
Moves to right side of screen
NAV
DATA
Single-freq. Display
Sector marker
Train indicator
Cursor position data
14
12
B46°
+
Horizontal expansion display
Remarks
For viewing forward
For viewing starboard side
For viewing aft
For viewing port side
key as shown below.
Dual-freq. Display
Frequency
Tilt angle
Range
R 40 m
T 40°
HI
25
34 12. 343' N
134 34. 213' W
CSE
SPD
DEP
TMP
CUR
CUR 11.0˚
2.0 kt
GAIN
TVG LEVEL 4.0
DISTANCE 200 m
COLOR
Cursor
30
357°
9.9 kt
35 m
12.3˚C
11.0°
2.0 kt
5.3