National Instruments GPIB-PC - Manual (Page 232)

Appendix B Common Errors and Their Solutions
©National Instruments Corp. B-3 GPIB-PC User Manual
EADR(3)
Error Condition: GPIB-PC ( GPIB0 or GPIB1 ) is not addressed
correctly.
Solutions:
• Use IBCMD to send the appropriate Talk or Listen address
before attempting an IBWRT or IBRD .
• If calling IBGTS with the shadow handshake feature, call
IBCMD to ensure that the GPIB ATN line is asserted.
EARG(4)
Error Condition: Invalid argument to function call.
Solutions:
• Errors received from IBIC :
- Verify syntax in Section Five.
- Make sure the address of the board in IBCONF does not
conflict with that of a device.
• Errors received when running your application program:
- Verify syntax in Section Four.
- Make sure the address of the board in IBCONF does not
conflict with that of a device.