Furuno CH-300 Operator's Manual page 17

Dual-frequency displays
Key
x2
DUAL-FREQ HORIZONTAL
°
360 dual-freq. display of fish echoes,
etc. (Chapter 2)
x2
DUAL-FREQ. VERTICAL SCAN
Dual-freq. display of vertical section of
fish echoes. Useful for judging depth
and center position of fish school.
(Chapter 3)
Display
NAV
DATA
Dual-frequency displays
Display
Key
x2
DUAL-FREQ. HORIZ. EXPANSION
Expansion of dual-freq. horizontal
display. (Chapter 2)
x2
Depth/Temp. Display
DUAL-FREQ. ECHO SOUNDER
Dual-freq. display of fish echoes
below vessel. (Chapter 4)
1. OPERATIONAL OVERVIEW
NAV
DATA
or
A-SCOPE
1-7