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(a) CONNECT points. With this ON (default) the data points are connected with
vectors to resemble a real time trace. When OFF, the data points are displayed as
data points only, with no connecting line. This can give a faster display update,
however, it may be confusing as near vertical lines will have very few points de
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fined within them.
(b) If Tracking min/max is selected for the CHANNEL being used for the
PROFILE, it is possible to configure the tracking min/max to display the min and
max values for all the data BETWEEN THE CURSORS. This provides easy ac
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cess to peak values within a time-window; for example, the top of a pulse.
When set to SINGLE it is updated EACH SWEEP and reflects the min and max
values only within that sweep.
When set to INFINITE, it maintains the min/max from the point it is started until it
is reset, updating the MAX if it sees a HIGHER measurement within the
CURSOR window, and updating the MIN readout if or when it sees a lower value
than that which it has already. This option, in the SYSTEM menu, is only a prefer
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ences option and not the main control for the feature.
The control for the min/max remains in the CHANNEL menu
(CHANNEL|SETUP|-more-|MIN/MAX |RESET). The user should select the way
he wants to work and leave it. In most cases the SINGLE (default) is the most
useful as it provides a continuously updated readout of the min and max points
within the cursor window. The INFINITE setting is used when the results need to
be collated over a large number of samples. In order to RESET the INFINITE
configuration, use the CHANNEL menu.
NOTE
In the triggered modes, such as Internal A or B and Ex
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ternal TTL, the SENSOR|SETUP|Range HOLD feature
can still be applied to restrict dynamic range if required.
5-12
SOURCE SWEEP
MODE
This feature allows the ML2430A Series Power Meter to be synchronized to an
RF source using the Horizontal ramp (to Analog Input) output on the RF source.
The ML2430A Series can also optionally use a Sequential Sync (to Digital Input)
output on the RF source.
To enable the Seq Sync input for RF sources that do provide this output (the de
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fault), set the System|Rear Panel|BNC|Input Port 1|TTL LEVEL to HIGH. This
way the device will use both the Horizontal Ramp and Seq Sync inputs to sync to
the sweep.
To disable the Seq Sync input for RF sources that do not provide this output, set
the System|Rear Panel|BNC|Input Port 1|TTL LEVEL to LOW. This way the de
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vice will only use the Horizontal Ramp to sync to the sweep.
5-16 ML2430A OM
SOURCE SWEEP MODE PROCEDURES