User's Manual

Chapter 2 Radar Basic Operation MDC-5200/5500 Series
0093155002-03 2-22
Measurement Range (VRM: Variable Range Marker)
Two variable range markers [VRM1] and [VRM2] are provided.
Turn EBL/VRM knob (MDC-5200 series) or VRM knob (MDC-5500 series) and lay each circle
on the desired target to read the distance to the target on the display.
1 Press VRM1 key to display a dashed line circle of VRM1.
The distance to the target is indicated at the lower right of the display, and also a symbol
is displayed on the left side of the distance value.
2 The dashed line circle is zoomed in or zoomed out by turning EBL/VRM knob (MDC-5200 series)
or VRM knob (MDC-5500 series) clockwise or counterclockwise, respectively.
Note: Turning the knob (while pressing it) changes the range quickly.
3 Another press of VRM1 key will make the circle disappear.
4 Press VRM2 key to activate the dotted line circle of VRM2.
Operation procedure and distance display are the same as VRM1.
5 If you want to display both VRM1 and VRM2 simultaneously, press VRM1 key and VRM2 key.
Then, both the dashed line circle and the dotted line circle are displayed.
6 Switching between VRM1 and VRM2 is performed with pressing either of VRM keys as desired.
When the selected key is pressed, the color of operation panel changes to red. (MDC-5500 series
only)
Measurement Range (Cursor)
Move the cursor on the target with trackball/joystick.
The distance and bearing to the target is indicated at the lower right of the display.
Note: While “MENU” is displayed, the cursor operation cannot be used.
Press ENT key while pressing OFF key to return the cursor
to reference point position.
VRM1
Target
Own ship
Distance to Target
Radius changed by VRM knob
VRM1 8.990NM
VRM2 3.290NM
Increase of
range
Decrease o
f
range
VRM knob
MDC-5500 series
Increase of
range
Decrease of
range
EBL/VRM knob
MDC-5200 series