把说明书里面话搬出来吧 JvT%R`i
9@JlaY)0
Orientation - For polar charts only: Specifies the orientation of lines and coordinates from the drop-down list. It defines the location of 0 degrees latitude. (You can orient the data on the chart to Up, Down, Left, or Right. See Orienting a Receiver for more information. Cln^ 1N0
`"i^'VL,
If most of your lines point downward and you select Right for example, the lines and the chart coordinates shift to the right, as shown in the following figure. j0Id!o