Remote Interface Reference 4
Keysight 33210A User’s Guide 237
Triggering Commands
Applies to Sweep and Burst only. See also “Triggering” starting on page 121 in
Chapter 3.
TRIGger:SOURce {IMMediate|EXTernal|BUS}
TRIGger:SOURce?
Select the source from which the function generator will accept a trigger. The
function generator will accept an immediate internal trigger, a hardware trigger
from the rear-panel Trig In connector, or a software (bus) trigger. The default is
IMM. The :SOUR? query returns “IMM”, “EXT”, or “BUS”
–
When the
Immediate
(internal) source is selected,
the function generator
outputs continuously when the sweep mode or burst mode is enabled.
–When the External source is selected, the function generator will accept a
hardware trigger applied to the rear-panel Trig In connector. The function
generator initiates one sweep or outputs one burst each time Trig In receives a
TTL pulse with the edge polarity specified by the TRIG:SLOP command (see
page 238).
–When the Bus (software) source is selected, the function generator initiates
one sweep or outputs one burst each time a bus trigger command is received.
To trigger the function generator from the remote interface (GPIB, USB, or
LAN) when the Bus source selected, send the *TRG (trigger) command. The
front-panel key
is illuminated when the function generator is waiting for a
bus trigger.
–The APPLy command automatically sets the trigger source to Immediate
(equivalent to TRIG:SOUR IMM command).
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