Furuno GP-3500F - Manual (Page 175)

11. VIDEO SOUNDER OPERATION
11-3
AUTO C
58.6
m
17.6
20
40
60
80
Fish
echo
Bottom
echo
5.6 °
C 10.0 kt NL1 REPLAY FISH H
10
8
6
4
2
50k
Icons
Alarm Water temperature
Depth
Ship's speed Noise limiter
Auto mode
Replay picture
Color bar
Minute marker
Zero line
Temp. scale
Water temp. graph
Elapsed time
Time marker
Tx frequency
VRM
Depth of VRM
Depth scale
Alarm marker
0
1'50"
Single display
Note: The water temperature display requires a water temperature sensor. The
water temperature graph can be turned on or off with TEMPERATURE
GRAPH on the ECHO SOUNDER SYSTEM SETUP menu. For further
details, see paragraph 11.18.
11.2.2 Dual-frequency display
The dual-frequency display provides both 50 kHz and 200 kHz pictures. This
display is useful for comparing the same picture with two different sounding
frequencies.
AUTO C
0.0
5.6 °
C 10.0 kt
1'10"
Low
frequency
High
frequency
58.6
m 50k
0
20
40
60
80
0
20
40
60
80
200k
Low
High
Beam
width
Wide
Narrow
Trail
Long
Short
Freq.
Dual-frequency display