The second new statement seen here is RESERVED. This tells the protocol analyzer to skip over a certain number of bits that are not used. Nothing is displayed as a result of it.
RESERVED Syntax: Statement starts with the keyword RESERVED followed by a call to a Size Method that specifies the size of the reserved field.
Finally, for this statement sequence, note the NO_MOVE keyword on the GROUP FIELD statement. This tells the protocol analyzer not to move the pointer after decoding the field.