JDS Uniphase HA9 Series User Manual page 81

:OUTPut:DRIVer?
Syntax :OUTPut:DRIVer
Function Returns 1 if the 5 V output is on and 0 if the 5 V output is off.
Example :OUTP:DRIV OFF;DRIV? returns 0.
:OUTPut:POWer
Syntax :OUTPut:POWer <space> <numeric value> [dBm]
Function Sets the through power of the attenuator. The through power is used to set the
actual attenuation of the attenuator.
This command also accepts the parameters MIN, MAX, and DEF. The minimum
through power is the through power for which the actual attenuation is 100 dB for
the standard HA9 model and 60 dB for the HA9W (wide) model. The maximum
through power is the through power for which the actual attenuation is 0 dB. The
default through power is the same as the maximum through power.
Example :OUTP:POW -34.55
:OUTPut:POWer?
Syntax :OUTPut:POWer? [<space> <MIN|MAX|DEF>]
Function Returns the current through power of the attenuator in dBm. This query also
accepts the parameters MIN, MAX, and DEF. The minimum, maximum, or default
value (respectively) for the through power at the current base through power is
returned.
Example :OUTP:POW?
:OUTPut[:STATe]
Syntax :OUTPut[:STATe] <space> <boolean>
Function Sets the state of the beam block. A boolean value of 0 or OFF leaves the beam
block in the beam (the default position) thereby turning off the optical power from
the attenuator. When the beam block is in the beam, the attenuation of the
attenuator is >110 dB.
A boolean value of 1 or ON moves the beam block out of the beam, thereby
turning on the optical power out of the attenuator.
The attenuation setting of the attenuator is not affected by the beam block state.
Example
:OUTP OFF leaves the beam block in the beam.
:OUTP:STAT ON removes the beam block from the beam.
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Programming Guide – 75