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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.
FUNC
1. FUNC1
2. FUNC2
3. F 1
4. F 2
5. F 3
6. A/D CURVE A B C D
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
l
t o
f o
g
e r
e
n
b
t u
t t i l
e l
e r
. d
A
N
o
s i
e
s i
g
e r
e
n
n i
c
o
o l
. r
B
e
w t
e
e
n
A
a
n
d
B
. C
L
t t i
e l
g
e r
e
n
b
t u
l
t o
f o
e r
. d
C
F
n i
e
n
o
s i
. e
N
o
s i
e
n i
y
e
o l l
w
a
n
d
e r
. d
L
t t i
e l
g
e r
e
n
b
t u
l
t o
f o
e r
. d
D
F
n i
e
n
o
s i
. e
N
o
s i
e
n i
e r
. d
1-34
F
o l
t a
d
e
e t
t c
o i
n
R
e
d
u
c
e
s
e
a
r
f e
e l
t c
o i
n
s
G
e
n
r e
l a
n
a
v
g i
t a
o i
n
N
r o
m
l a
u
s
: e
U
s
e
u f
f l
r o
a t
g r
t e
i d
c s
i r
m
n i
t a
o i
n
L
o
n
g
a r
n
g
e
d
e
e t
t c
o i
n
B
u
o
y
d
e
e t
t c
o i
n
L
o
n
g
a r
n
g
e
d
e
e t
t c
o i
n
B
u
o
y
d
e
e t
t c
o i
n
L
o
n
g
r e
a r
n
g
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d
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e t
t c
o i
n
h t
a
n
C
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.
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