2.Press ▲ or ▼ to choose INT REJECTION from page 1.
3.Press ► to open the options window.
4.Press ▲ or ▼ to choose OFF, LOW, MEDIUM or HIGH as appropriate.
5.Press the [MENU/ESC] key to finish.
1.17 Noise Rejector
The noise rejector suppresses white noise, which appears on the screen as many dots scattered randomly over the display.
1.Press the [MENU/ESC] key to open the User menu.
2.Press ▲ or ▼ to choose NOISE REJECTION from page 1.
3.Press ► to open the options window.
4.Press ▲ or ▼ to choose OFF, LOW or HIGH as appropriate.
5.Press the [MENU/ESC] key to close the menu.
1.18 Echo Trail, Trail Brilliance
Echo trails are the afterglow of target echoes that represent their movements relative to own ship. They are useful for monitoring target movement.
TRAIL 
Trail time
Echo trail
1. OPERATION
3. Press ► to open the options window.
OFF 30sec 1min 3min 6min
CONTIN.
Echo trail options
4.Press ▲ or ▼ to choose appropriate time.
5.Press ◄ to close the options window.
6.Press ▼ to choose TRAIL BRILLIANCE.
7.Press ► to open the options window.
8.Press ▲ or ▼ to choose LOW or HIGH as appropriate.
9.Press the [MENU/ESC] key to close the menu.
1.19 Echo Stretch
On long ranges target echoes tend to shrink, making them difficult to see. To enhance target video on long ranges, use the echo stretch feature.
1.Press the [MENU/ESC] key to open the User menu.
2.Press ▲ or ▼ to choose ECHO STRETCH from page 1.
3.Press ► to open the options window.
4.Press ▲ or ▼ to choose OFF, LOW or HIGH as appropriate. LOW stretches echoes in the bearing direction; HIGH stretches echoes in the range and bearing directions. The display shows “ES L” or “ES H” at the top right corner depending on your selection.
5.Press the [MENU/ESC] key to close the menu.
Echo trails
1.Press the [MENU/ESC] key to open the User menu.
2.Press ▲ or ▼ to choose ECHO TRAIL from page 2.
Echo
Echo Stretch
OFF
ES L |
Brg dir. |
Echo Stretch |
LOW |
ES H |
Brg dir. |
Rng |
dir. |
Echo Stretch |
HIGH |
How echo stretch works
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