TM 5-6675-318-14
Table 3-26. HP-IB ERROR DISPLAYS AND POSSIBLE CAUSES - Cont
P o s s i b l e Causes
Display or Printout
HANDSHAKE TEST FAILURES - Cont
Example:
Same as prior items (1)-(3).
"HANDSHAKE FAILURE. IUT
ACTIVE (LISTENER or
T A L K E R . (LISTNER o r
TALKER) HAS ISSUED AN R4
(IN o r OUT)"
DAV = 0
NRFD = 0
NDAC = 0
SHOULD BE:
DAV = 0
NRFD = 1
NDAC = 1
DATA TRANSFER FAILURES
(1) Failure of HP-IB Interface data
"DATA WRITE ERROR--DATA
r e g i s t e r s on PCA A1.
WRITTEN WAS MORE THAN 5
WRITE ERRORS . PRESS
(2) Failure of output data and control
CONTINUE TO SEE MORE.
latch, microprocessor, or input
SHOULD HAVE BEEN
multiplexer on PCA A2.
S a m e as items (1) and (2) above.
"DATA READ ERROR--DATA READ
WAS MORE THAN 5 READ ERRORS.
PRESS CONTINUE TO SEE MORE.
SHOULD HAVE BEEN
"
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