Hardware
Lynx II DSA User's Manual – 7096089 117
Gate Timer (µS)
Sets the Inhibit Gate Delay value by selecting from a list of options ranging from 0 to
700 milliseconds in 100 ms increments; selecting 0 implies no Gate Delay.
Clock Source
The Synchronization Clock Source is enabled only when External Sync Status is set to
Independent. See Hardware Option | External Synchronization.
If External Synchronization Status control is set to Independent, the Clock Source
setting then defines the clock source to be used when external synchronization is
Enabled. Options are Internal or External, as follows:
• Internal means that the clock source is the internal 1 µS clock.
• External means that the clock source is defined by the External Sync input at the
rear panel’s SYNC connector.
Enable
Enables (checked) or disables (cleared) Counter 1 and Counter 2. When enabled, both
counters will count pulses present on the rear panel’s GPI/O 1 and 2 respectively for
precise time intervals set by the Preset Limit setting. Counter data is reported by the
Web Client application through the Time Series plot.
Test Pulser
Enables or Disables the Test Pulser on GP I/O 3. Allows you to use a test pulser, and
both counters will then display the counts acquired from the test pulser.
When enabled, signals received on GPIO3 MCX connector will be routed to Counters 1
and 2. When disabled, GPIO1 and GPIO2 will be monitored for incoming counts
separately for Counters 1 and 2, respectively.
Mode
Sets up the mode of operation for counters: automatic or manual.
• Automatic mode will automatically latch and clear the counter data when the preset
elapsed time parameter is reached. The counter data is placed into a buffer to be
retrieved later.
• Manual mode requires that you manually latch the counters, then fetch the data, and
finally clear the counters, to obtain the counter data. You may instead latch and
clear the counters and retrieve the data.
Time Series
Select “On” to enable or “Off” to disable the plot. A view of the AUX counter data
buffers in an automatically updating time series plot.
Note: Enabling the Time Series will disable the DSO if it was enabled.
To expand the Time displayed, press the left-mouse button down and drag the cursor of
the region to expand. The plot will highlight the region. Release the left button.
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