Vertical Fan Mode; Typical Operating Procedure - Furuno CH-37 Operator's Manual

3.1 Typical Operating Procedure

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

VERTICAL FAN MODE

position.
3-1