46 a/d converter curve setting, 47 enlarging close-in targets – Furuno FR-1710 User Manual
Page 48
1-34
1.46 A/D Converter Curve
Setting
Video signal threshold level and color output
setting (for the CRT) are executed when the
video signal is converted from analog to digi-
tal. Select the A/D curve according to objec-
tive referring to the table below. The default
setting is A.
1. Press the [MENU] key.
2. Press the [6] key twice to display the
FUNC menu.
1. FUNC1
2. FUNC2
3. F
•
1
4. F
•
2
5. F
•
3
6. A/D CURVE A B C D
FUNC
Figure 1-56 FUNC menu
3. Press the [6] key to select A/D curve set-
ting, referring to the table below.
4. Press the [ENTER/SELECT] key followed
by the [MENU] key.
Table 1-5 A/D curve settings
A
t
u
b
n
e
e
r
g
f
o
t
o
l
A
.
d
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t
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i
o
N
.
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F
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R
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B
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A
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B
.
C
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U
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N
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a
h
t
1.47 Enlarging Close-in Targets
The center enhance feature enlarges all ech-
oes within the first range on any range.
1. Press the [MENU] key.
2. Press the [5] key twice to display the
ECHO SIG menu.
3. Press the [0] key to turn CNTR ENHANCE
on or off.
4. Press the [ENTER/SELECT] key followed
by the [MENU] key.