To Use The Trigger/Sensitivity Keys To Adjust Counter's Triggering Level; Example Procedure For Setting Trigger Voltage And Sensitivity Levels - HP 53131A Operating Manual

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NOTE
Chapter 2 Operating Your Universal Counter
Using CHANNEL 1 and CHANNEL 2 Input Conditioning Keys
To Use the Trigger/Sensitivity Keys to Adjust Counter's
Triggering Level
Example Procedure for Setting Trigger Voltage and
Sensitivity Levels
Connect a signal to channel 1 input, and set up the Counter to measure
the frequency of the signal. (Refer to section in this chapter titled
"To Measure Frequency" if needed.)
Press CHANNEL 1 Trigger/Sensitivity key.
AUTO TRG: ON is displayed.
Press any one of the arrow keys to toggle to the auto trigger off mode.
AUTO TRG: OFF is displayed.
Press Trigger/Sensitivity key.
LEVEL: 0.000V is displayed. (Actual value may be different.)
Suppose you want to set the trigger level to 1V (actual value may be
different). Perform the following steps:
a. Press the appropriate arrow keys until LEVEL:
b. Press Enter key.
BE SURE to press the Enter key to complete the numeric entry.
The trigger voltage level for channel 1 is now set to 1V as shown in the
following figure.
2-48
1.000V is displayed.
1V
0V
Operating Guide