Vertical fan mode, 1 typical operating procedure, Ch-37 – Furuno CH-37 User Manual
Page 45: Figure 3-1 main panel and sub panel controls
3-1
VERTICAL FAN MODE
3.1 Typical Operating Procedure
PWR
O
TRANSDUCER
FULL
HALF
EVENT
ENTER
1
2
3
CUSTOM MODE
CH-37
R/B
MODE
TRAIN
SECTOR
TILT
GAIN
RANGE
-
+
0
10
LEVEL
0
10
TIME
0
10
DIMMER
0
10
BRILL
0
10
NL
0
10
AUDIO
TVG
HUE
E/S
FAST
SCAN
TRACK
V:H
RANGE
AUTO
TRAIN
DEGAUSS
BOTTOM MODE
MENU
MENU
Turn on the display unit.
Lower the transducer.
Adjust the contrast and brilliance of the CRT.
1
2
3
Select the range desired with the RANGE control.
4
5
Select the bearing of the vertical scanning with the TRAIN control.
6
Determine the center direction of the vertical scanning sector with
the TILT control and select the sector width with the SECTOR con-
trol.
7
Select the auto train sector on BOTTOM/3D menu, if necessary.
8
3
Adjust the GAIN and TVG on the BOTTOM/3D menu ([Gain: 3-5,
TVG (level & time): 3]).
9
8
9
9
Adjust the NL control if a large number of small blue dots appear on
the screen. Normally set it between 2 and 4.
10
11
With the trackball marker, measure the horizontal or vertical distance
to a fish school or the bottom.
Reduce the output power if necessary. Normally, set it for maximum
position (C).
12
The FULL/HALF key provides a quick change of the sector (120
°
or
180
°
).
13
11
13
Set the MODE control to position.
0
2
4
6
8
10
Figure 3-1 Main panel and sub panel controls