User's Manual

MDC-5200/5500 Series Chapter 2 Radar Basic Operation
0093155002-03 2-7
Indicated distance
1.5
Bearing scale
Range
Own ship
2.5 Change range scale
The coverage area can be changed by changing range scale.
Larger the value of range the more coverage area expands. (The target image will become smaller.)
The range scale value and range rings value are indicated at the upper left on the display.
Range scale can be changed directly at the upper left of the display, with trackball/joystick and ENT key,
without using RANGE+ and RANGE- key.
1 Press Range + key to zoom out the picture, and to observe a wider area.
Press Range - key to zoom in the picture, to magnify and to observe closer to Antenna position.
Model-specific ranges are as shown below.
Model name MDC-5225 / 5525 (Max. output: 25 kW)
MDC-5212 / 5512 (Max. output: 12 kW)
MDC-5206 / 5506 (Max. output: 6 kW)
MDC-5204 / 5504 (Max. output: 4 kW)
Range(NM)
0.125 0.25 0.5 0.75
1.5 3 6 12 24 32* 48 64* 96**
* Maximum range of the initial value at 6kW and 12kW is 64NM.
** Maximum range of the initial value at 25kW is 96NM.
Change range unit (NM / km / sm / kf / ky)
The unit of range measurement can use five kinds of distance units.
Selection unit: NM: nautical mile
km: kilo meter
sm: statute mile
kf: kilo feet
ky: kilo yard
1 Press MENU key to display “Menu”.
Select [DISPLAY] => [RANGE UNIT] => Select [NM], [km], [sm], [kf] or [ky], and press ENT key.
When changing to other range unit, Range and Cursor range unit will be changed.