Furuno CH-500 handleiding
Handleiding
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2. HORIZONTAL MODE
2-10
How to use the window control button
2.9 How to Choose a Frequency (CH-600 only)
2.9.1 Choosing the frequency
You may choose low frequency or high frequency, with the LF/HF key. The display
shows HI or LO at the top of the screen depending on your selection. Use the table
below to determine which frequency to use.
The dual-frequency display is useful for comparing the picture from one frequency
against the other to overcome deficiencies in both. Use the single-frequency for ob-
jective-specific fishing.
Frequency selection and mode
Single-frequency display or combination display (other than vertical scan combina-
tion): The LF/HF key chooses low frequency or high frequency alternately.
Dual-frequency display (mix mode OFF): The LF/HF key switches the frequency of the
high-and low-frequency displays alternately.
The window control button switches control of the main (Horizontal scan) and the sub
(vertical scan) windows. The displays are independent of each other, so you can adjust
them as desired.
Press to switch window control of the main and sub windows.
Where the sub window is selected, the sub window is highlighted in red and the mes-
sage "Sub window controllable." appears.
Where the main window is selected, the message "Main window controllable." appears.
Item Low frequency High frequency
Detection range Longer range comparing with the
high frequency. Attenuation loss
is small on low frequency.
Shorter range comparing with the low
frequency. Attenuation loss is great
on high frequency.
Detection depth Deeper than the high frequency.
Bottom echo is prominent be-
cause of wide beam width so fish
echoes are hidden.
Shallower than the low frequency.
Bottom echo is less prominent be-
cause of narrow beam width so fish
echoes are easy to find.
Detection range(detec-
tion “leaks”)
Detection area is wide (beam
width is wide).
Detection area is narrow (beam width
is narrow).
Detection of bottom fish Fish echo and bottom echo over-
lap.(Wide beam width)
Fish echo and bottom echo are dis-
played separately.(Narrow beam
width)
Detection of bait fish Not suited for this purpose.(Bait
fish are not easily detected with
low frequency.)
Well suited for this purpose.(Bait fish
are more easily detected with high
frequency.)
Affected by air bubbles
from other vessels
Low frequency is easily interfered
by cavitation from other vessels.
High frequency is not easily interfered
by cavitation from other vessels.
High frequency
Low frequency
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Productinformatie
| Merk | Furuno |
| Model | CH-500 |
| Categorie | Niet gecategoriseerd |
| Taal | Nederlands |
| Grootte | 15432 MB |
