Furuno CH-270 Operator's Manual page 54

2. HORIZONTAL MODE
◆
Projection in fore direction and strata display
Color "b"
◆
Depth gradually becoming shallower in fore direction and strata display
Depth gradually becoming shallower in fore direction and strata display
◆
Depth gradually becoming deeper in fore direction and strata display
Depth gradually becoming deeper in fore direction and strata display
2-34
-90˚
Color
"a"
Projection in fore direction and strata display
-90˚
Color "b"
Color "d"
Color "a"
Color "a"
Color "c"
Color "b"
Color "d"
Color "a"
Color "c"
Color "b" on the color bar
is displayed here.
STBD +90˚
PORT
Color "b"
Color "c"
STBD +90˚
PORT
a c d c
b
-90˚
Color "a" on
the color bar
Color "a"
Color "a"
b
+90˚