INSTALLATION AND
OPERATION
Table
2-8.
IEEE-488 Commands (cont)
SRQ COMMANDS
Interrogate
SRQ Mask
IM none none Interrogate the SRQ
mask. The
Generator responds with
the
decimal value
of the SRQ
mask.
Set SRQ SM int
none
The
SRQ
mask is
set
to int.
Local
Operation
Alert
Mode
XF
0/1 none Disable/enable
a mode to set
SRQ each time a local entry
is made. This SRQ is enabled
by setting
the front panel
bit
in
the SRQ
mask.
STEP ENTRY
Program
FREQ STEP
Size
FS
float
GZ
MZ
KZ
HZ
Program frequency step size in units
of;
gigahertz
megahertz
ki
lohertz
hertz
Program
AMPL STEP
Size
LS float
V
MV
UV
NV
DB
Program
amplitude step
size in
units of:
volts
millivolts
microvolts
nanovolts
dB or dBm
Program
AM
STEP
Size
PS float PC Program AM step
size
in
percent.
Program
FM STEP
Size
DS
float
GZ
MZ
KZ
HZ
Program FM step size in units of:
gigahertz
megahertz
kilohertz
hertz
Step Up/Down SU/SD
none
none
Step the
currently
selected
step function up/doun one step.
Step Up/Down
Frequency
FU/FD none none Change the current step
function to frequency and
step
frequency
up/down
one step.
Step
Up/Down
Amplitude
LU/LD none none Change the current step
function to amplitude and
step
amplitude up/down one step.
Step
Up/Down
AM
PU/PD none none Change the current step function to AM
and step AM up/down one step.
Step
Up/Doyn
FM
DU/DD none none Change the current step function to FM
and step FM up/down one step.
TRIGGER COMMANDS
Configure
Trigger
a string
none
Configures
the trigger. Each time a
trigger command or a group execute
trigger interface
message is
received# the
Generator executes the
string of commands. The
string record
must end with a
record terminator.
2-35
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