12 - Sweep
Sweep triggering
52
TGR2050 Series Instruction Manual
Sweep triggering
A sweep can be triggered in two ways; triggering the complete sweep (Sweep
trigger), or point by point (Point trigger). The two can also be used simultaneously in
any combination.
Point trigger
Point trigger allows each point within the sweep to be triggered in a nominated way,
the options are
Immediate, Exve, External -ve, Manual
or
Remote
.
Immediate
trigger (default) will step the sweep from point to point without waiting
for triggers but pausing at each point according to the specified dwell time, until the
sweep is complete.
External -ve
or external
+ve trigger
will step the sweep from point to point at the
specified negative or positive edge of a logic signal presented to the rear panel EXT
TRIG IN BNC socket.
Manual
Trigger will step the sweep from point to point at each press of the front
panel TRIGGER button.
Remote
trigger will step the sweep from point to point upon receipt of a trigger
command from the remote interfaces. More information can be found in the
programming manual, available from
NOTE
Trigger functions will only become active once the sweep
Run
button is touched.
Sweep trigger
The sweep trigger activates the entire sweep and when specified it allows the instrument to
step to the first point of the sweep after RUN. It is ignored after the first sweep for
continuous sweeps.
The sweep trigger provides the same options as point trigger plus a
Timer
option
The
Timer
option allows a set waiting time between the sweep being
Run
and going
to the first point on the sweep. It is ignored after the first sweep for continuous
sweeps.
To set the timed sweep trigger, first select
Timer
from the
Sweep Trig.
menu. A new
Trig. Time
parameter window will appear.
Select the
Trig. Time
parameter window, enter the required time in
ms
or
s
and
touch
OK
.
