/CLABEL, WN, KEY
Specifies contour labeling.
WNWindow number (or ALL) to which command applies (defaults to 1).
KEYLabeling key:
0 or 1  | —  | Label contours with legend or color (default).  | 
-1  | —  | No contour labeling.  | 
  | —  | Same as 1 except show alphabetic legend only on every   | 
Labels contours for identification with alphabetic legend for vector displays and color for raster displays. Number of contours is automatically reduced to 9 (or fewer) for clarity. Use /CONTOUR command to increase (24 maximum for alphabetic labeling; no limit for color labeling).
This command is valid in any processor.