Fluke 123 - Maintaining the Test Tool

Performance Verification
3.5 Input A and Input B Tests 3
3-13
12. When you are finished, set the 5500A to Standby.
3.5.8 Input A and B Trigger Level and Trigger Slope Test
Proceed as follows:
1. Connect the test tool to the 5500A as shown in Figure 3-5.
ST8001.WMF
Figure 3-5. Test Tool Input A-B to 5500A Normal Output
2. Select the following test tool setup:
• Turn Input B on ( if not already on).
• Using change the sensitivity to select manual sensitivity ranging, and lock
the Input A and Input B sensitivity on 1V/div.
• Move the Input A and Input B ground level (indicated by zero icon
) to the center
grid line. Proceed as follows:
⇒ Press
to enable the arrow keys for moving the Input A ground level.
⇒ Press
to enable the arrow keys for moving the Input B ground level.
⇒ Using the
keys move the ground level.
• Using
change the time base to select manual time base ranging, and lock the
time base on 10 ms/div.
• Fluke 123/124: press
/ to open the SCOPE INPUTS menu.
• Fluke 123/124: press
to open the TRIGGER menu, and choose:
INPUT:  A | SCREEN UPDATE:  FREE RUN | AUTO RANGE:  >15Hz
• Fluke 125: press to open MENU.
• Fluke 125: press
to open the TRIGGER menu, and choose :
INPUT:  A | UPDATE:  FREE RUN | AUTO RANGE:  >15Hz
• Press to enable the arrow keys for Trigger Level and Slope adjustment.