Furuno CH-37 - Manual (Page 40)

2-24
2.19 Sonar Mode Indications
Normal sonar display
Heading*
Sector center marker
Range
Tilt
Bearing
scale
Own ship
marker
Courseline
(Requires
navigator or
current
indicator)
Bottom
echo
Fish school
North
marker*
Trackball marker
data
Trackball
marker
C1: 0.9
C2: 0.8
C3: 0.5
2
3
1
Current data
(Requires
current
indicator) Depth, latitude, longitude
(Requires navigator)
D35.0
34
°
43.261N
135
°
20.282E
→
39
40
↓
9
B 228
°
→
320
°
Range
marker
Bearing
marker
Range and bearing
marker data
Current (tide)
vector
*: Heading, north marker require current indicator
and gyro or log.
Figure 2-23 Indications on the normal sonar display