FORMULA™ QUICK REFERENCE GUIDE
UPC-E
USE SYSTEM DIGIT 0
On *$+$-341EE*
Off *$+$-340EE*
USE SYSTEM DIGIT 1
On *$+$-351EE*
Off *$+$-350EE*
CONVERT UPC-E TO UPC-A
On *$+$-361EE*
Off *$+$-360EE*
SEND SYSTEM DIGIT
On *$+$-371EE*
Off *$+$-370EE*
SEND CHECK DIGIT
On *$+$-381EE*
Off *$+$-380EE*
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