Agilent Technologies 8922M Guia do Utilizador Página 353

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Trigger Subsystem
SOURce
SOURce
Description Selects/queries the measurement TRIGger SOURce.
Syntax TRIGger:SOURce?
TRIGger:SOURce <string>
Options ’EXT MEAS’ | ’EXT DEMOD’ | ’RF RISE’
Where;
EXT MEAS means the measurement is triggered from an external trigger signal that is
normally intended for doing measurements.
RF RISE means the measurement is triggered automatically when a rising edge is
detected on the RF envelope of the input.
EXT DEMOD means the measurement is triggered from an external trigger signal that
is normally intended for doing demod.
UMEMory:SOURce
Description Selects/queries the USE MEM (Use MEMory) TRIGger SOURce.
Syntax TRIGger:UMEMory:SOURce?
TRIGger:UMEMory:SOURce <string>
Options ’EXTERNAL’ | ’BAD SYNC’
Where;
BAD SYNC means that the UMEMory (USE MEM) memory will be automatically
filled when the Demod Sync Status changes from ’No Error’ to ’Bad Sync’
(DDEMod:SYNC:SSTatus?).
EXTERNAL means that the UMEMory (USE MEM) memory will be automatically
filled when an external line on the SYSTEM BUS connector on the rear panel is in a
particular state when a valid demod trigger occurs.
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