National Instruments 320682C - page 164

GPIB/GPIB-488.2 Library Chapter 4
LabWindows/CVI Standard Libraries 4-26 © National Instruments Corporation
Return Codes
The return value is a sum of the following bits.
Defined
Constant Hex Value Condition
ERR 8000 GPIB error.
END 2000 END or EOS detected.
SRQI 1000 SRQ is on.
RQS 800 Device requesting service.
CMPL 100 I/O completed.
LOK 80 GPIB-PC in Lockout State.
REM 40 GPIB-PC in Remote State.
CIC 20 GPIB-PC is Controller-In-Charge.
ATN 10 Attention is asserted.
TACS 8 GPIB-PC is Talker.
LACS 4 GPIB-PC is Listener.
DTAS 2 GPIB-PC in Device Trigger State.
DCAS 1 GPIB-PC in Device Clear State.
See Also
ThreadIberr, ThreadIbcnt, ThreadIbcntl