HP 1652B Programming Reference Manual page 382

ENABLE
L O G I C A L O R
N O T E . U R O A N D N O T I M P L E M E N T E D
LOGICAL OR
QUEUES :
O - O U T P U T
M-MESSAGE
M R E M L
S T A T U S
B Y T E
S E R V I C E
R E Q U E S T
ENABLE
R E G I S T E R
Figure B-l. Status Byte Structures and Concepts
Status Reporting HP 16528/16538
B-2