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1.40 Video Contrast
The video contrast is adjustable in three lev-
els according to the radar video sampling
level. Select the level so that the video con-
trast feature changes the dynamic range of
the video signal to improve picture contrast.
Picture shows up most clearly from the back-
ground.
1. Press the [MENU] key.
2. Press the [5] key twice to display the
ECHO SIG menu.
ECHO SIG
1. TGT COLOR
YEL GRN COLOR
2. ECHO AVG
OFF 0.5 1 2 3
3. INT REJ
OFF 1 2 3
4. N REJ
OFF ON
5. ENHANCE
OFF ON
6. 2ND ECHO
OFF ON
7. CONTRAST
1 2 3
8. CLTR SWEEP
OFF ON(LINK) ON(FIX)
9. SWEEP LVL
1
2
3
0. CNTR ENHANCE OFF
ON
Figure 1-51 ECHO SIG menu
3. Press the [7] key to select desired con-
trast level from the CONTRAST field.
4. Press the [ENTER/SELECT] key to reg-
ister you selection and the [MENU] key
to finish.
1.41 Clutter Sweep
The clutter sweep feature suppresses sea
and rain clutters within the trackball-selected
area, to discriminate specific targets from
noise. The user may select the area to pro-
cess and the level of suppression to apply
as follows:
1. Press the [MENU] key.
2. Press the [5] key twice to select the ECHO
SIG menu.
3. Press the [8] key to turn on/off the clutter
sweep function, and then press the [EN-
TER/SELECT] key.
OFF:
Turns off clutter sweep
feature.
ON(LINK): Sweep area moves with
trackball operation. Sweep
cursor shown by dashed
lines.
ON(FIX):
Sweep area is fixed on the
screen. Sweep cursor
shown by solid lines.
4. Press the [9] key (SWEEP LVL) several
times to select level of suppression to use;
“3” provides the highest level of noise sup-
pression.
5. Press the [ENTER/SELECT] key to reg-
ister your selection and the [MENU] key
to finish.
6. Operate the trackball to select area to pro-
cess.
Select area to
process with
square cursor.
Figure 1-52 Selection of area to
process with clutter sweep
The clutter sweep feature may also be acti-
vated by a user key.
1.42 Outputting Target Position
Target position can be output (in IEC 61162-
1 format) to a video plotter and marked on its
screen with a symbol. Select target with the
trackball and push the A/C RAIN control.
(TLL) This function requires position data and
compass signal.
1-32
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Table of Contents
Troubleshooting
