Martin Audio W8L Longbow Application Manual page 34

Length refers to the horizontal length of that plane
Height refers to the height of the rear of the plane. Plane 1 height can be negative
or positive.
For planes two and three Elev refers to the elevation (height) of the front of the
plane.
For plane three Distance relates to the actual distance from the front of the array to
the start of the third plane.
For all planes selecting Seated or Standing places ear level at 1.4 or 1 .8m above
the respective plane.
5.5.4.2 Individual Plane R-A
To enter diagonal distance (R) and angle of elevation (A) instead of length (X) and height
(Y) click on the symbol in the bottom left hand corner of a plane.
The following window will appear:
Enter R and A in the right hand boxes and click on Get X-Y.
Click on Close and Update to copy the X and Y data into the Length and Height boxes
and close the pop-up window or click on the x symbol in the right hand corner of the pop-
up window to close it without copying.
Note: You can also use this in reverse to calculate angles from X and Y data.
All material © 2007. Martin Audio Ltd. Subject to change without notice.