EXFO FTB -5240S/5240BP Optical Spectrum Analyzer for FTB 500 (NS-1434) Benutzerhandbuch
Seite 374
SCPI-Befehlsreferenz
366
FTB-5240S/S-P/BP
Product-Specific Commands—Description
DEFault allows the instrument to select a value
for the <PowerLevel> parameter.
The <PowerLevel> parameter corresponds to a
valid bandwidth position value.
The CALCulate[1..n]:BANDwidth? MIN and
CALCulate[1..n]:BANDwidth? MAX queries can
be used to determine valid bandwidth position
range.
Example(s)
UNIT:RAT DB
CALC:BWID2:RLEV 10.55 DB
CALC:BWID2:RLEV? Returns: 1.055000E+001
CALC:WDM:BAND2:RLEV DEF
CALC:WDM:BAND2:RLEV? Returns:
2.000000E+001
Notes
Bandwidth1 position cannot be changed: it is
always set at 3.0 dB.
See Also
:CALCulate[1..n][:WDM]:BWIDth[1|2]|BANDwi
dth[1|2]:RelativeLEVel?
:CALCulate[1..n][:WDM]:OSNR:BWIDth|BANDw
idth[:RESolution]
:CALCulate[1..n][:WDM]:OSNR:BWIDth|BANDw
idth[:RESolution]:AUTO
:CALCulate[1..n][:WDM]:THReshold
:CALCulate[1..n][:WDM]:
BANDwidth[1|2]|BWIDth[1|2]:
RelativeLEVel