R&S SMA100A Application Notes page 68

HP8340 emulation mode
CS
Clear both status bytes.
Remark:
The status registers of the GPIB-controller are not affected.
The status system of the HP8340 is not compatible with the status system
implemented in the SMF100 in accordance with IEEE 488.2.
OS
Output status bytes.
Remarks:
The number of status bytes (1 or 2) in the response depends on firmware release of
HP8340.
SM* responds 2 status bytes.
The status system of the HP8340 is not compatible with the status system
implemented in the SM* in accordance with IEEE 488.2.
RM value
Set Mask Status Byte 1.
Value:
0x00 ... 0xFF
Default:
0
Remarks:
The status registers of the GPIB-controller are not affected.
The status system of the HP8340 is not compatible with the status system
implemented in the SMF100 in accordance with IEEE 488.2.
RE value
Set Mask Status Byte 2.
Value:
0x00 ... 0xFF
Default:
0
Remarks:
The status registers of the GPIB-controller are not affected.
The status system of the HP8340 is not compatible with the status system
implemented in the SM* in accordance with IEEE 488.2.
OL<block>
Output learn string.
IL<block>
Input learn string.
OM
Output mode string.
Remarks:
Bits in mode string, resulting from front panel activity are always set to "0".
OA
Output active value.
OB
1GP71_0E 68 Rohde & Schwarz