3: Functions and features Model DMM7510 7½ Digit Graphical Sampling Multimeter Referen
3-62 DMM7510-901-01 Rev. B / May 2015
Measurement methods
Triggers are signals that instruct the instrument to make a measurement. You can set the Model
DMM7510 to use the following triggering measurement methods:
• Continuous measurement: The instrument is making measurements continuously.
• Manual trigger mode: Press the front-panel TRIGGER key to initiate a single measurement.
• Trigger model: The instrument makes measurements according to the settings of the trigger
model. To select this method, a trigger model must be set up. Select Initiate Trigger Model to
start the trigger model, or Abort Trigger Model to stop a trigger model that is presently running.
Continuous measurement triggering
When you select the continuous measurement method, the instrument makes measurements
continuously.
The continuous measurement method is only available when you are controlling the instrument locally
(through the front panel).
The instrument stores the readings in the active reading buffer. See Reading buffers (on page 3-13
)
for detail on the buffer options that are available.
If you press the front-panel TRIGGER key when the instrument is set to the continuous measurement
method, measurements are not made. Instead, a dialog box is displayed that asks if you want to
change the measurement method.
Trigger key triggering
When you select the Manual Trigger Mode from the Model DMM7510 front-panel, the instrument only
makes a measurement when you press the front-panel TRIGGER key.
The instrument stores the readings in the active reading buffer. See Reading buffers (on page 3-13
)
for detail on the buffer options that are available.
Trigger model triggering
When you select the trigger model measurement method, the instrument uses a trigger model to
control the sequence in which measurements occur. The Model DMM7510 trigger model is flexible,
allowing you to control as much or as little as needed for your measurement application.
When you are remotely controlling the instrument, the trigger model measure method is automatically
selected. In addition, you can view different buffers from the front panel, but the actual buffer that is
used is defined by the remote commands.
For detail on the trigger model, see Trigger model (on page 3-76
).
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