Fluke 9000A-Z80QT Instruction Manual page 25

3-10.
LINES
ENABLED
of
the mainframe, the
During
setup
enabling certain forcing lines
disabling the pod microprocessor.
WAIT. Also during mainframe setup, the
disregard active signals on the forcing lines.
mainframe operation
3-11.
NON-DETECTABLE
The pod does
not detect the absence
be observed, if necessary, by using the probe
mainframe to trigger a scope. (Figure 4-4 shows the mainframe scope trigger
output signal.)
QUICK-LOOPING READ
3-12.
Pod
The Z80QT
repetition
rates considerably
selected by pressing the LOOP key. Because
Quick-Looping functions are particularly useful
traces on an oscilloscope synchronized to the
(available on the rear panel of the mainframe).
Unlike mainframe looping functions, software
ordinary
Looping functions
using the Quick—Looping read and write functions
9100 Series mainframes are presented separately under the next headings.
It should noted
be
Quick-Looping read
execution
performedduring
to the mainframe any UUT system errors detected during the first iteration only.
Subsequent UUT system errors are
If both error reporting
mainframe looping function to the Quick—Looping read or write,
the
ordinary
READ
such as
@ 10
commands
operations at
read
full
error
reporting.
read operations (with no
Quick—Looping
v1ew1ng.
DURING MAINFRAME SETUP
operator
a means of preventing UUT faults from
as
For
order to display the forcing line message.
in
280
SIGNALS
of
AND
provides Quick-Looping read and write functions with
faster than
resides in the pod and
that
diagnostics performed by the pod
write
or operations
of
the ordinary looping function. The pod reports
not
and Quick-Looping functions are desired, you may apply
LOOP
2000 in the case
address
10
For
ordinary
every
has the option
the 280, these lines include BUSRQ and
may elect
operator
active forcing
Reporting
m
the
signal. However, this signal can
or
scope trigger output
WRITE FUNCTIONS
ordinary mainframe
of their
increased repetition rate,
for
enhanced viewing of signal
TRIGGER OUTPUT
that
not in the mainframe.
of
the pod
less
are rigorous
reported.
of
the 9000 Series. The mainframe
2000 at the normal
read operation, the pod interjects a
reporting) to enhance oscilloscope
error
ZBOQT
of
or not
enabling
to report
(trap) or
halts
lines
of
the
functions
looping
pulse
controls Quick-
Instructions
for
for
the and
9000
execution of
during
than
diagnostics
speed with
looping
few