3152B User Manual
Publication No. 980935 Rev. A
Run Mode
To work with the Run Mode Control Panel (Figure 4-6), click on the
Run Mode button on the Panels toolbar. Note that when you invoke
the Run Mode Control Panel, the trigger mode does not change. To
change the run mode, use the Output panel. The trigger parameters
and settings in the Run Mode Control Panel take effect only if you
have selected an appropriate run mode.
The Run Mode Control Panel has its controls divided into the
following groups:
Trigger Modifier
The Trigger Modifier group provides control over the retrigger
interval and delay time.
To change the trigger delay or the re-trigger interval, click on one of
these parameters. The digital display then shows the current value,
which you may adjust using the dial, keyboard, or the [
↑
] and [
↓
]
keys. After you adjust the value, click on the Modify/Execute knob
to update the 3152B.
Figure 4-6, Run Mode Control Panel
Trigger Source
The 3152B accepts triggers from a number of sources: Bus, VXI
Backplane (TTL Trigger 0 through 7 and ECL Trigger 1), External,
and Internal. The VXI backplane trigger lines can synchronize
operation with other devices residing in the VXIbus chassis.
The various trigger source options are:
Bus
– Disables all trigger inputs and allows software triggers only.
External
– Enables the front panel trigger input and disables all
other sources.
Internal
– Enables an internal, non-synchronized trigger generator,
4-8 ArbConnection
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