Commands Listed in Alphabetical Order
Syntax
TRIGger:CLKRe
c:CRC:SUBCLOCKOutput {ON | OFF | <NR1>}
TRIGger:CLKRec:CRC:SUBCLO CKOutput?
Arguments
ON specifies that the Clock Recovery instrument sub-rate clock output is
enabled.
OFF specifies that the Clock Recovery instrument sub-rate clock output is
disabled.
<NR1> 1 enables the sub-rate clock output. 0 disables the sub-rate clock
output.
Examples
TRIGGER:CLKREC:CRC:SUBCLO CKOUTPUT O N enables the sub-rate clock output
on the Clock Recovery instrument.
TRIGGER:CLKREC:CRC:SUBCLO CKOUTPUT? might return
:TRIGGER:CLKREC:CRC:SUBCL OCKOUTPUT ON, indicating that the
sub-rate clock output is enabled on the Clock Recovery instrument.
NOTE. 0 is returned if a Clock Recovery instrument is not present.
TRIGger:CLKRec:CRC:SWRev? (Query Only)
This query only c ommand returns the firmware revision string of the connected
Clock Recovery instrument.
Group
Trigger
Syntax
TRIGger:CLKRec:CRC:SWRev?
Examples
TRIGGER:CLKREC:CRC:SWREV? might return :TRIGGER:CLKREC:CRC:SWREV
xxxx
(xxxx represents the firmware version).
NOTE. UNDEFINED is returned if a Clock R ecovery instrument is not present.
TRIGger:CLKRec:SOUrce
This command sets or queries the clock recovery trigger source. The clock
recovery trigger source is derived from the optical input of an 80C0x optical
module with an installed clock recovery option. This clock is synchronous with
the incoming data signal. Use of this trigger source requires an optical sampling
2-328 DSA/CSA/TDS8X00/B Series Programmer Manual
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