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© National Instruments Corporation I-3 NI-488.2 User Manual for Windows
Controllers
definition, A-1
monitoring by Talker/Listener
applications, 7-11 to 7-12
System Controller, A-1
count information, in Interactive Control
utility, 6-11
count variables (ibcnt and ibcntl), 3-7
D
data lines, A-2
data transfers
high-speed (HS488), 7-2 to 7-3
enabling, 7-2 to 7-3
system configuration effects, 7-3
terminating, 7-1 to 7-2
DAV (data valid) line (table), A-3
DCAS status word condition
bit position, hex value, and type
(table), 3-6
description, B-5
Talker/Listener applications, 7-12
debugging. See also NI Spy utility;
troubleshooting and common questions.
communication errors, 4-5
repeat addressing, 4-5
termination method, 4-5
configuration errors, 4-2
global status variables, 4-2
GPIB error codes (table), C-1
other errors, 4-5
timing errors, 4-4
DevClearList function, D-11
device calls. See NI-488.2 calls.
device-level calls and bus management, 7-11
Device Manager device status codes,
troubleshooting, D-3
diagnostic resources, online, F-1
direct access to NI-488.2 dynamic link
library, 3-3
documentation
accessing NI-488.2 Online Help, xi
conventions used in manual, xii
related documentation, xii
using NI-488.2 documentation, xi
DOS NI-488.2 applications
enabling/disabling support
Windows 98/95, 2-13 to 2-14
Windows 2000/NT, 2-14
running
under Windows 98/95, 3-17
under Windows 2000/NT, 3-18
DTAS status word condition
bit position, hex value, and type
(table), 3-6
description, B-5
Talker/Listener applications, 7-12
dynamic link library, GPIB. See
NI-488.2 DLL.
E
EABO error code, C-5
EADR error code, C-4
EARG error code, C-4
EBUS error code, C-8
ECAP error code, C-7
ECIC error code, C-2 to C-3
EDMA error code, C-6
EDVR error code
description, C-2
troubleshooting, D-1 to D-2
EFSO error code, C-7
end-of-string character. See EOS.
END status word condition
bit position, hex value, and type
(table), 3-6
description, B-2
ENEB error code, C-5 to C-6
ENOL error code, C-3