Commands Listed in Alphabetical Order
module that sup
ports clock recovery. The sampling module picks the clock off
internally and outputs it to the instrument for triggering.
Group
Trigger
Syntax
TRIGger:CLKRec:SOUrce {CH<x> | NONe}
TRIGger:CLKRec:SOUrce?
Arguments
CH<x> is the channel for which you want to set the clock recovery source.
Thevalueforxcanbe1,2,3,or4.
NONe. Setting or querying this argument indicates that the specified channel
has no available clock recovery options. You cannot set a speci
fied channel to
NONe if there are available clock recovery options.
Examples
TRIGGER:CLKREC:SOURCE CH2 sets the source for clock recovery to Channel 2.
TRIGGER:CLKREC:SOURCE? might return TRIGGER:C LKREC:SOURCE CH1,
indicating that Channel 1 is the source for clock recovery.
TRIGger:GATEd
This command sets or queries the gated triggering setting, on (enabled) or off
(disabled). When enabled, the Trigger G ate (TTL) input at the instrument rear
panel qualifies trigger events such that the trigger system ignores trigger events
(including auto triggers and external trigger inputs) while the Trigger Gate input
remains asserted. See the following table.
Trigger Gate input TRIGger:GATEd setting Trigger behavior
LOW (< 0.8 volts) ON or 1
Trigger events are ignored
HIGH (> 2.0 volts) ON or 1
Trigger events are handled
LOW (< 0.8 volts) OFF or 0
Trigger events are handled
HIGH (> 2.0 volts) OFF or 0
Trigger events are handled
Option GT. Note that this command is only available for instruments that come
with Option GT installed. An instrument not equipped with the GT option returns
an error message if sent this command.
Group
Trigger
DSA/CSA/TDS8X00/B Series Programmer Manual 2-329
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