Commands Listed in Alphabetical Order
Syntax
CH<x>:DESkew <
NR3>
CH<x>:DESkew?
Arguments
NR3 is the deskew time for this channel. The range is -0.5 ns to +100 ns with a
resolution of 1 ps. Out o f r ange values are clipped.
Examples
CH7:DESKEW 5.0E-9 sets the deskew time for Channel 7 to 5 ns.
CH3:DESKEW? might return C H3:DESKEW 10.00000000008E -009, indicating
that the deskew time for Channel 3 is set to 10 ns.
CH<x>:ERCAL? (Query Only)
This query-only command returns whether calibrated extinction ratio is available
for the optical module for the specified channel. The channel is specified by
x, which can be 1 through 8.
Group
Vertical
Syntax
CH<x>:ERCAL?
Examples
CH1:ERCAL? might return :CH1:ERCAL 0, indicating that the calibrated
extinction ration is not available for the optical module in the channel 1.
NOTE. A query always returns a 0 or 1.
CH<x>:EXTAtten:MODe
This command sets or queries the external attenuation mode for the channel
specified by x, which can be 1 through 8.
Group
Vertical
Syntax
CH<x>:EXTAtten:MODe { LINear | DB }
CH<x>:EXTAtten:MODe?
Arguments
LINear sets the mode so that the attenuation value is a linear numeric
multiplier, such as 15X.
DB sets the mode so that the attenuation value is in dB.
2-80 DSA/CSA/TDS8X00/B Series Programmer Manual
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