Keysight Technologies E4981A, Service Manual

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Chapter 4 49
Troubleshooting
Troubleshooting Using Service Function
4. T
roub
lesho
o
ting
Executing the self-test from the front panel The self-test of the E4981A can be
executed from the front panel. The steps are given below.
Self-test procedure
Step 4. Press [System] - SELF TEST
Step 5. Use the cursor key to highlight the selection item to the right of “TEST No.” (1 in Figure
4-4 )
Step 6. Select the number corresponding to the test that you want to perform by using the INCR+
and DECR- softkeys.
Step 7. Press EXECUTE - TEST START (2 in Figure 4-4 ) to execute the selected test item.
Figure 4-4 Self-test screen and procedure
SERVICE Page
The results of the power on test or the self test (SYSTEM, USER DATA, and BATTERY)
can be saved into a USB memory. Pressing the [System] key followed by the
SERVICE
softkey opens the SERVICE page.
This page is read-only.
This page displays the system information of E4981A and allows you to save the displayed
information into the USB memory, but does NOT allow you to modify or delete the
information.
SCANNER
INTERFACE Checks the scanner interface. (Visual checks only; no result
shown on screen.)
Table 4-1
Test item Description