ADVANTEST R3131

R3131 Spectrum Analyzer Operation Manual
4.1 GPIB Remote Programming
4-15Aug 28/98
Table 4-2 Level
Table 4-3 Unit
*1 0: dBm / 1: dBm V / 2: dB
µ
V / 5: V / 6: W
Function Listener Code
Talker Request
Code Output Format
Reference level RL* RL? Reference level
Attenuator AT* AT? ATT level
Attenuator auto AA AA? 0:Manual/ 1:Auto
Input impedance
OHM 50 OHM? 0: 50ohm
1: 75ohm
50
Ω
75
Ω
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:ON
OFF ROF
Function Listener Code
Talker 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 ––– –––
dB
µ
V AUNITS DBUV AUNITS? See *1.
KSC ––– –––
UU ––– –––
Volts AUNITS V AUNITS? See *1.
KSD –––
Watts AUNITS W AUNITS? See *1.