Level 2 Help for INSERT

 STANDARD VICAR1 INPUT DATASET PARAMETER
 (ONE DATASET)

 STANDARD VICAR1 OUTPUT DATASET PARAMETER
 (ONE DATASET)

 STANDARD VICAR1 SIZE PARAMETER.

 NEW LINES WILL BE INSERTED AT THE LINE(S) SPECIFIED.
 LINE NUMBERS ARE WITH RESPECT TO OUTPUT PICTURE.

 DENOTES THE INSERTED LINE PIXELS HAVE A DN OF VALUE N.

 VALID KEYWORD VALUE: NOAVG.

 'NOAVG' DENOTES THAT INSERTED LINES WILL HAVE ALL DN'S EQUAL
 TO ZERO (OR TO 'DN', IF THAT PARAMETER IS SPECIFIED).
 DEFAULT IS THAT INSERTED LINE PIXELS ARE GENERATED BY
 AVERAGING THE PIXELS IN NEIGHBORING LINES.

 IF PARAMETER 'DN' IS SPECIFIED, THEN NO AVERAGING WILL BE
 PERFORMED.

 VALID KEYWORD VALUE: TRUNC.
 THIS DENOTES THE OUTPUT PICTURE WILL BE TRUNCATED TO
 THE NUMBER OF LINES SPECIFIED IN THE SIZE PARAMETER, OR,
 IF NO 'SIZE' SPECIFIED, IN THE INPUT IMAGE.

 VALID KEYWORD VALUE: NOFIX.

 THIS DENOTES THAT BAD LINES WILL BE WRITTEN AS READ.  DEFAULT IS 
 TO REPLACE A BAD LINE WITH A NEW LINE CONSISTING OF ZEROES OR AN
 AVERAGE OF THE ADJACENT LINES (DEPENDING ON WHETHER 'NOAVG' WAS
 SPECIFIED).

 A BAD LINE MEANS A LINE THAT GENERATED ANY I/O ERROR OTHER THAN
 'END OF FILE' WHEN READ.

 VALID KEYWORD VALUE: NOPRINT.

 THIS CAUSES MESSAGES TO BE SUPPRESSED.  IF THIS KEYWORD IS NOT
 SPECIFIED, A MESSAGE WILL BE PRINTED FOR EVERY LINE INSERTED.