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3. INITIAL SETTINGS
3-15
2. Move the cursor onto the sub monitor and right-click on the screen.
The setting menu for external echo sounder appears.
3. Select the [Calibration] menu from the [System] menu.
The [Calibration] menu appears.
4. Set the calibration parameters referring to the table below:
5. Set the calibration parameters for bottom level and gain adjust from the [HF] or
[LF] menu under the [Calibration] menu.
6. Select [OK] to close the menu.
Item
Setting values
Meaning
[Zero Line Rejection] [Off],
[On] (default)
Turn the zero line (transmission line) on
or off.
[Zero Line Area]
[m]: 1.4 to 3.0
[ft]: 4.5 to 9.8
[fm]: 0.7 to 1.6
[HR]: 0.9 to 2.0
[pb]: 0.8 to 1.8
(The minimum value
is default.)
Adjusts the transmission line.
[Draft]
[m]: -9.0 to 30.4
[ft]: -30.0 to 99.9
[fm]: 0.7 to 1.6
[HR]: 0.9 to 2.0
[pb]: 0.8 to 1.8
(default: 0.0)
The default depth display shows the dis-
tance from the transducer.
[Fish Size]
[-80] to [100]
(default: [0])
Compensate for incorrect fish size indi-
cations (%).
[Sound Speed]
[200.0] to [2000.0]
(default: [1500])
Calibration for speed of sound (m/s).
Item
Setting values
Meaning
[Bottom Level]
[-40] to [40]
(default: [0])
Set the strength at which an echo is deter-
mined to be the bottom. Adjust this setting
carefully as an excessively high setting may
hide fish located near the seabed.
[Gain ADJ]
[-50] to [50]
(default: [0])
Adjust this setting if the gain is too high or too
low, or the gain for the low and high frequen-
cies appears unbalanced.
Setting value (%)
-80
-75
-65
-50
+50
+100
Adjustment
1/5
1/4
1/3
1/2
x1.5
x2
Содержание FCV-38
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