User's Manual
Chapter 2 Radar Basic Operation MDC-7000P/7900P Series
0093169006-05E 2-22
VRM1
3.290NM
8.990NM
VRM1
Target
Reference point
Distance to Target
Radius changed by VRM knob
Increase of
range
Decrease of
range
VRM knob
Measurement Range (VRM: Variable Range Marker)
Two variable range markers [VRM1] and [VRM2] are provided.
Turn VRM knob 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.
Turn VRM knob to adjust the line circle on the desired target.
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 VRM knob clockwise or
counterclockwise, respectively.
Note: Turning VRM 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.
Measurement Range (Cursor)
Move the cursor on the target with trackball.
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.