POSTNET Allow B and B' Fields

Definition:	If U.S. Post and POSTNET are enabled, and POSTNET Allow B and B' Fields is enabled, the imager will allow B and B' fields in POSTNET symbols.
Serial Cmd:	<K460,postal symbology type,POSTNET status,PLANET status,USPS4CB status,POSTNET allow B and B' fields,Australia Post allow 0 FCC>
Default:	Disabled
Options:	0 = Disabled
	1 = Enabled