Anritsu 681XXC - Manual (Page 88)

Selecting a
CW Power
Sweep
Trigger There are three modes of triggering provided for the
CW power sweep—automatic, external, and single.
The sweep trigger is selectable from the CW Level
Sweep Trigger menu. The following is a description
of each trigger mode.
q Auto (Automatic) –The CW power sweep con-
tinually sweeps from its start power level to its
stop power level with optimal retrace time.
q External –The CW power sweep recurs when
triggered by an external TTL-compatible clock
pulse to the rear panel
AUX I/O connector.
q Single –A single CW power sweep starts when
the trigger key is pressed. If a sweep is in prog-
ress when the key is pressed, it aborts and re-
sets.
To go to the CW Level Sweep Trigger Menu (below)
from the CW Level Sweep Ramp menu, press
Trigger Menu .
To select a CW power sweep trigger mode, press its
menu soft-key. A message showing the CW power
sweep trigger mode selected appears on the right
side of the level mode title bar .
If you select the single sweep trigger mode, the
menu display changes, adding the menu soft-key
labeled
Trig . Pressing Trig starts a single CW
power sweep. If a single CW power sweep is in prog-
ress, pressing
Trig causes the sweep to abort and
reset.
Press Previous Menu to return to the CW Level
Sweep Ramp Menu display.
681XXC OM 3-55
LOCAL (FRONT POWER LEVEL
PANEL) OPERATION SWEEP OPERATION