Furuno CH-300 - Manual (Page 44)

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