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Table
2-8.
IEEE-488
Commands
(cont)
1
Record
Terminator
Mode
TM
0/1
none
Selects
the
LF/CR character
as the
record terminator.
The record
terminator
is
used
on
input
in
the
record mode
and
is
sent
following
all
output.
Output
Valid
Mode
VM
0/1
none
Oi
sable/enable the output
valid
mode. In the output
valid
mode/ the
Generator
waits to process commands
until
the RF
output has
become valid.
Unbuffered
Mode
UM
0/1
none
Di sa
ble/enable the unbuffered
mode.
If
disabled/ all
input
is
buffered.
If
enabled, only
one
message
unit is
buffered.
"a"
Modes
a
int
none
The
"a"
command may be used
as an
alternate method of
programming interface modes.
INTERROGATE COMMANDS
!
Interrogate
Attenuator
Counts
lA
none
none
The Generator responds with
seven
counts.
Each count
indicates
the
total number
of
actuations
for
one of the
seven attenuator
sections
in
the Generator,
Instrument
Identi
f
i-
cati
on
ID
none
none
The Generator responds with
its
model number,
for
example,
"6062A".
Elapsed
T ime
Indicator
IE
none
none
The Generator responds with
the total operating time since
the Generator
was manufactured.
Interface
Modes
II
none
none
Interrogate
the
interface
modes selected. The Generator
responds
with an
unsigned
integer.
Interrogate
Error Log
IL
none
none
The Generator responds with
ten error
Log
entries.
Each
entry
is
an
uncaL error code
or
a
self
test
result and the
elapsed
time of
when the error
was Logged.
Opt
i
on
Loading
10
none
none
Interrogate
the
option
Load-
ing.
The Generator re-
sponds with
the
message:
d1, d2, d3
d1
is
the
instrument
code.
d2
is
the
digital and
synthesizer options.
d3
is
the
output options.
See the
Interrogate Commands
paragraphs
for
details.
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