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This functional index categorizes the programming commands by the type of function that the
command performs. The functional index contains the following information: the programming
command mnemonic, the softkey or front-panel key that corresponds to the command’s
function, and a brief definition of the command. Once the desired command is found, refer
to the alphabetical listing of commands later in this chapter for more information about the
command.
Function
Category
\MPLITUDE
‘Ihble
5-4. Functional Index
Command
Corresponding Description
Key Function
AT
ATTEN
AUTO
UAN
Specifies RF input attenuation.
AUNITS
Amptd
Units
Specifies amplitude units for input,
output, and display.
COUPLE
*
COUPLE AC DC *
Selects direct-current (dc) coupling or
alternating-current (ac) coupling.
INZ
INPVI’
2
50R
75R
Specifies the value of input impedance
expected at the active input port.
LG
SCALE LOG
LLN
(when
Specifies the vertical graticule divisions
LOG
is underlined)
as logarithmic
units,
without changing
the reference level.
LUTO
COUPLING
WXILIARY
:ONTROL
LN
ML
NRL
PREAMPG
ppt
RESETRL
RL
ROFFSET
AUTO
CNTLA
CNTLB
CNTLC
CNTLD
CNTLI
SCALE LOG
LIN
(when LIN Specifies the vertical graticule divisions
ls
underlined)
as linear units, without changing the
reference level.
UAX
UXR
LVL
Specifies the maximum signal level that
is applied to the input mixer for a signal
that is equal to or below the reference
level.
Sets the normalized reference level.
EXTERWAL
PREABPG
Subtracts a positive or negative
preamplifier gain value from the
displayed signal.
PRESEL
PEAK t
Performs a preselector peak.
Resets the reference level to its
instrument preset level.
REP
LVL
Specifies the amplitude value of the
reference level.
REF
I.‘&
OFFSET
Offsets all amplitude readouts without
affecting the trace.
AUTO
ALL
Couples the active functions
automatically.
CNTL
A 0 1
Sets the control line A of the auxiliary
interface high or low.
CNTL
I3
0
I
Sets the control line B of the auxiliary
interface
high
or low.
GNTL
C
0
1
Sets the interface control line C of the
auxiliary interface high or low.
CNTL D 0 1
Sets the interface control line D of the
auxiliary interface high or low.
DISPLAY CNTL I
Returns a “1” when the interface
control line I of the
auxlllary
interface
is
high, and
“0”
if the line
is
low.
For HP
85943,
HP 85953, or HP 8596E only.
For HP
8592L,
HP 85933, HP 85953, or HP 85963 only.
Programming Commands
5-l
1