HP 53131A - Example Procedure for Setting Trigger Voltage and Sensitivity Levels; To Use the Trigger;Sensitivity Keys to Adjust Counters Triggering Level

Chapter 2 Operating Your Universal Counter
Using CHANNEL 1 and CHANNEL 2 Input Conditioning Keys
2-48 Operating Guide
2
To Use the Trigger/Sensitivity Keys to Adjust Counter’s
Triggering Level
Example Procedure for Setting Trigger Voltage and
Sensitivity Levels
1 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.)
2 Press CHANNEL 1 Trigger/Sensitivity key.
AUTO TRG: ON is displayed.
3 Press any one of the arrow keys to toggle to the auto trigger off mode.
AUTO TRG: OFF is displayed.
4 Press Trigger/Sensitivity key.
LEVEL: 0.000V is displayed. (Actual value may be different.)
5 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: 1.000V is displayed.
b. Press Enter key.
NOTE 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.
1V
0V