AD8000 Series Spectrum Analyzer Instruction
Manual
[SENSe : ]FREQuency : CENTer :
STEP?
[SENSe : ]FREQuency : CENTer :
STEP:AUTO <Boolean>
[SENSe : ]FREQuency : CENTer :
STEP:AUTO?
Example 1: set the center frequency as 300.33 MHz
Command: FREQ:CENT 300.33 MHz
Example 2: read whether the frequency step is auto or not
Command: FREQuency:CENTer:STEP:AUTO?
Returned value: ON
Indicates auto
10.3.3.3 Amplitude
Command
DISPlay : WINDow : TRACe : Y[ :
SCALe]:RLEVel <ampl>
DISPlay : WINDow : TRACe : Y[ :
SCALe]:RLEVel?
UNIT
DBM|DBMV|DBUV|V|MV|UV|NV
UNIT:POWer?
[:SENSe]:POWer[:RF]:ATTenuation
< rel_ampl >
[ : SENSe] : POWer[ : RF] :
ATTenuation?
[ : SENSe] : POWer[ : RF] :
ATTenuation:AUTO <Boolean>
[ : SENSe] : POWer[ : RF] :
ATTenuation:AUTO?
[ : SENSe] : POWer[ : RF] : GAIN[ :
208
POWer
:
Read
center
frequency step
Set frequency step
auto or not
Read
frequency
step auto or not
Meaning
Set
reference
level
Read
reference
level
Set
unit
reference level
Read
unit
reference level
Set
attenuator
value
Read
attenuator
value
Set
attenuator
auto or not
Read
attenuator
auto or not
Set pre-amplifier
Frequency
value
ON|OFF
Auto|Manual
ON|OFF
Auto|Manual
Input/Output
Amplitude
value
Amplitude
value
of
Character
string
of
Character
string
dB value
dB value
ON|OFF
Auto|Manual
ON|OFF
Auto|Manual
ON|OFF
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