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.
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1. | TGT COLOR | YEL | GRN | COLOR | |||
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2. | ECHO AVG | OFF | 0.5 | 1 2 3 | |||
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3. | INT REJ | OFF | 1 2 | 3 | |||
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4. | N REJ | OFF | ON |
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5. | ENHANCE | OFF | ON |
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6. | 2ND ECHO | OFF | ON |
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7. | CONTRAST | 1 | 2 |
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8. | CLTR SWEEP | OFF |
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9. | SWEEP LVL | 1 | 2 | 3 |
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0. CNTR ENHANCE | OFF |
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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
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.
