Koden MDC-5004, Инструкции по эксплуатации

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MDC-5000 Series Chapter 2 Radar Basic Operation
0093153004-00 2-11
Changing method of CFAR and MAN
By joystick
1
Move cursor on the MAN or CFAR display (whichever is shown) at right side of [RAIN] on the top
of the display.
2
Press ENT key to alternate CFAR and MAN.
By Function key operation
1
When the Selection of RAIN control mode is registered with a FUNCTION key (RAIN knob, F1, F2
or F3 key), when a FUNCTION key is pressed, CFAR and MAN RAIN changes alternately.
CFAR (Constant False Alarm Rate) adjustment
CFAR function is used to suppress of sea, rain and snow clutter
easily.
CFAR function is active when CFAR is indicated at the upper
right side of the display.
Level of CFAR is indicated on the left side of CFAR indication.
1
Turn RAIN knob clockwise to increase anti-clutter effect.
Turn RAIN knob counterclockwise to decrease anti-clutter effect.
Strong
Weak
RAIN
2
Turn RAIN knob to get even low (weak) clutter while watching the display.
Note:
• In the case of CFAR mode, the gain adjustment is not possible.
Adjust SEA knob to suppress remaining sea clutter.
• Turning the knob to the right shows the targets hidden in the rain/snow image, but care shall be taken
that small target may be hidden and not displayed if over adjusted.
• If there are strong echo targets such as in the harbor or channel, CFAR tends to suppress targets
excessively. In that case, change CFAR to MAN and use MAN SEA in addition.
After CFAR adjustment