ADVANTEST R3131 Series

R3131 Spectrum Analyzer Operation Manual
Function
Listener Code
Talk er Request
Code
Output Format
Reference level
RL*
RL?
Reference level
Attenuator
AT* AT?
ATT level
Attenuator auto AA
AA?
0:Manuall 1:Auto
Input impedance
500
OHM 50
OHM?
0: 50ohm
1: 75ohm
755/
OHM 75
XdB/div
DD* DD?
0: 10dB
1: 5dB
2: 2dB
3: 1dB
Linear X1 LL1
—
—
Level offset
RO*, (RON*) RO?
Level
ON
RO*, (RON*)
ROON?
0:OFF
1:0N
OFF
ROF
Function
Listener Code
Talk er Request
Code
Output Format
Displayed unit
—
UNIT?
See *1.
— UN?
See *1.
dBm AUNITS DBM AUNITS?
See *1.
KSA —
UB
—
dBmV AUNITS DBMV AUNITS?
See *1.
KSB
UM
—
—
dliittV AUNITS DBUV AUNITS?
See *1.
KSC
—
UU —
Volts AUNITS V AUNITS?
See *1.
KSD —
Watts AUNITS W AUNITS?
See *1.
4.1 GPIB Remote Programming
Tabl e 4-2 Level
Tabl e 4-3 Unit
*1 0:dBm/LdBmV/2:dBlIV/5:V/6:W
4-15