Furuno NAVNET 1833 - Manual (Page 149)

4. VIDEO SOUNDER OPERATION
4-3
4.2.2 Description of sounder displays
Single-frequency display
Echo strength
bar
Soft keys
Variable Range Marker
Depth scale
Tx frequency
Depth
Temp.
scale
Water
temp.
graph
Water
temp.
display
114
52
Minute marker
Icons (alarm,
battery,
simulation)
Bottom echo
Zero line
Fish
echo
50k
SHIFT
AUTO/
D. BOX
DISPLY
MODE
FREQ
50 /200
30
50
° F
40
SOUNDER
SINGLE
0
50
100
150
200
Cross-hair
cursor
0'30"
Time
Display mode
SOUNDER DUAL
SOUNDER SINGLE
SOUNDER M. ZOOM
SOUNDER B. ZOOM
SOUNDER B/L
SOUNDER B/D
S
I
M
Indications on the single frequency display
Note: The water temperature display requires an appropriate water temperature
sensor. It can be turned on or off with TEMPERATURE GRAPH on the
SOUNDER menu.
Selecting transmission frequency
The single frequency display shows either the 50 kHz picture or 200 kHz picture.
To select transmission frequency, press the FREQ 50/200 soft key. “50” or “200”
is highlighted on its key label with each press of the key.