SWEEP
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(3) Select the A or B source for sweeping by pressing the appropriate
[A Swept Source] or
[B Swept Source]
key.
(4) Select the sweep mode between single shot and continuous sweeping by pressing the
[Sweep]
key which toggles between
[Single Sweep]
and
[Cont Sweep].
(5) For external triggering press
[Ext Trig Off]
to inhibit the external trigger or press one of the
following keys to select the appropriate trigger mode:
[Ext Trig Start]
−
The first trigger input causes the carrier sweep to commence sweeping.
Any other trigger inputs whilst sweeping are ignored. Only at the end of each sweep is
the trigger latch reset ready for the next input.
[Ext Trig StrtStop]
−
The first trigger input starts the carrier sweep and the following trigger
input pauses it, so that the user can investigate a particular point of interest. The next
trigger input continues the sweep from where it was paused. At the start of each sweep
the trigger latch is reset ready for the next input.
[Ext Trig Step]
−
Each trigger input steps the sweep on by one frequency step. The trigger
latch is reset after each step ready for the next step.
(6) Pressing
[No Swept Source]
disables sweep mode.
(7) If no source has been selected for sweeping, pressing
[EXIT]
will return you to the
Carrier
Sweep Mode Menu
. Otherwise, the Sweep Control screen will be displayed.
