User`s guide

40-6
Trigger Subsystem
DDEMod:SOURce
DDEMod:SOURce
Description Selects/queries the Digital DEMod TRIGger SOURce.
Syntax TRIGger:DDEMod:SOURce?
TRIGger:DDEMod:SOURce <string>
Options ’EXT MEAS’ | ’EXT DEMOD’ | ’RF RISE’
Where;
• EXT DEMOD means Demod is triggered from an external trigger signal that is
normally intended for doing Demod.
• RF RISE means the measurement is triggered automatically when a rising edge is
detected on the RF envelope of the input.
• EXT MEAS means Demod is triggered from an external trigger signal that is normally
intended for doing measurements.
DELay
Description Sets/queries the TRIGger DELay. This applies to measurements as well as Digital Demod.
GPIB units are seconds (S), bit periods (T).
Default GPIB unit is seconds (S).
Default display unit is bit periods (T).
Syntax TRIGger:DELay?
TRIGger:DELay <real> | [:FNUM]
Options Refer to Appendix B.
HTCH
Description Selects/queries the Hopped TCH ARFCN Trigger control. This only applies when
TCH:MODE is ’HOPPED’ and the Cell Configuration is ’ACTIVATED’ and the radio has
been assigned to a TCH channel.
Syntax TRIGger:HTCH?
TRIGger:HTCH <string>
Options ’SPECIFIC’ | ’AUTO’