| GET SERIAL PORT MAPPING ( numArray ; nameArray ) 
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| RECEIVE BUFFER ( receiveVar ) 
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| RECEIVE PACKET ( {docRef ;} receiveVar ; stopChar ) RECEIVE PACKET ( {docRef ;} receiveVar ; numBytes )
 
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| RECEIVE RECORD {( aTable )} 
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| RECEIVE VARIABLE ( variable ) 
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| SEND PACKET ( {DocRef ;} packet ) 
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| SEND RECORD {( aTable )} 
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| SEND VARIABLE ( variable ) 
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| SET CHANNEL ( port ; settings ) SET CHANNEL ( operation ; document )
 
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| SET TIMEOUT ( seconds ) 
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| [USE CHARACTER SET ( map |