Selecting Bearing For The Vertical Fan - Furuno CH-37BB Operator's Manual

V:H RANGE key
The V:H RANGE key changes the horizontal range scale in two steps.
6 0
3.4

Selecting Bearing for the Vertical Fan

The TRAIN control determines the bearing of the vertical fan beam. To which bearing
the beam positions is known by the train indicator mark.
Operation
Auto train
(90°)
TRAIN
Manual train
TRAIN
PORT
●
: Start angle of train
(It is shown to start from STBD side)
The training of the fan beam depends on the status of the AUTO TRAIN key in the sub
panel 2.
Same echo from a school of fish
→
62
R→ 60
15
↓ 60
PORT STBD
6 0
V:H = 1:1
Train Indicator
Center of train
(White circle)
Center of train
(White circle)
STBD AFT
3. VERTICAL FAN MODE
R→ 30
↓ 60
PORT STBD
3 0 3 0
V:H = 1:2
Training of Vertical Fan Beam
Bow
Bow
FORE FORE AFT
3-3