Furuno MODEL CSH-73 Operator's Manual page 33

Mark/Data
Latest Fish Mark
Fish Speed Mark
Fish Mark
Fish Movement
/
/
C
S .
Bearing and Range
Marks
Bearing
marker
Range
marker
Range and Bearing
Mark Data
B ˚ R
Heading Mark
Range Rings
100
200
Electronic Bearing
Scale
N
W E
S
(Continued on next page)
These marks are inscribed on the screen by pressing the FISH key.
Ten fish marks can be displayed. Each time the key is pressed the fish
marks change on the screen as follows:
1st press of FISH key
2nd press of FISH key
3rd press of FISH key
4th press of FISH key
Fish movement from the fish speed mark ( ) to the latest fish
marker ( ) is shown by distance, course (C) and speed (S) at the lower
right corner of the screen.
These marks are used for monitoring echoes through the loudspeaker
and also for displaying horizontal slice picture. If the target lock
function* is on the bearing marks follow the movement of the target
lock mark.
This data appears when the bearing and range marks are displayed.
The heading mark is drawn with a dotted line. Heading mark* data
appears at the top of the screen.
The range rings are inscribed at intervals of 1/4 of the range in use.
Range ring data is also provided every two range rings. The range ring
interval can be changed from 1/4 to 1/2 through the menu.
The electronic bearing scale is available with gyrocompass connection.
It rotates with own ship's movement.
Description
4-5