Furuno GP-3700F, Operator'S Manual

Page: 158 / 224

11. ECHO SOUNDER
11-10
11.4.2 How to select the display range
The basic range may be selected with the RANGE key, from the eight ranges shown
in the table below. (These eight ranges may be programmed as desired. For details,
see section 11.20.)
1. Press the RANGE key to show the [FISH FINDER RANGE] window.
Note: The [FISH FINDER RANGE] window closes automatically when there is no
operation for 10 seconds.
2. Select a range. When selecting 200 ft, for example, the subsea echo under 200 ft
from the bottom side of the transducer is displayed on the screen.
Note: The RANGE key can be programmed for a different function (default setting:
[FISH FINDER DEPTH RANGE]).
11.4.3 How to shift the display range
The shift function determines the start depth of
the picture. Start depth (shift) is shown at the top
of the screen.
Note: This function is not available in automatic
mode.
1. Press the SHIFT key to show the [FISH
FINDER SHIFT] window.
Note: The [FISH FINDER SHIFT] window closes automatically when there is no
operation for 10 seconds.
2. Set the shift value.
Note 1: When setting the shift value greater than depth, the echo is not displayed.
Note 2: The SHIFT key can be programmed for a different function (default setting:
[FISH FINDER SHIFT]).
Unit
Basic range
1 2 3 4 5 6 7 8
m 5 10 20 40 80 150 300 500
ft 15 30 60 120 200 400 1000 1500
fm 3 5 10 20 40 80 150 300
Screen
Shift the
display range