VTI Instruments EX1401, Руководство пользователя

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EX1401 Basic Operation 47
Self-Test
Self Test
Hold MENU to start
The results of the self-test will show “Passed” or “Failed”. Use the web interface for detailed results
of the last self-test.
Self Test
Passed
USB
USB at sda1
SP UFD U3
USB at sda1
Safe to remove
A USB device screen shows both the unique device name and the volume label. Holding the Menu
button on a USB device screen will safely eject the device.
Data Logger: sda1
SP UFD U3
Each USB device also has a screen for use as a Data Logger. Holding the Menu button on this screen
will cause the instrument to load a stored configuration file from the USB device and start a
measurement. If the stored configuration file specifies, measured data may also be saved to the USB
device during a Data Logger measurement. While a Data Logger measurement is in progress, a
status screen will be displayed.
Meas 10 recs
15% Trigs 1:42m
The status screen shows four items: Measurement State, Acquired Records, Completed Triggers,
and Trigger Time Remaining.
•
Measurement State: This indicates the current state of the measurement’s trigger state
machine. Possible values are:
o
Idle: Not running
o
Settle: Waiting for digital filters to settle
o
Start: Waiting for the configured Start event to occur
o
ArmWait: Waiting for the configured Arm event to occur
o
TrigWait: Waiting for the configured Trigger event to occur
o
PreTrig: Waiting for pre-trigger samples to be buffered
o
Meas: Measuring data after a trigger
•
Acquired Records: The number of records measured so far this measurement.
•
Completed Triggers: If Trigger Count is finite, the percentage of total triggers completed
so far. If infinite, the number of triggers completed.