Keysight E4981B User Manual page 168

Precautions for Use and Daily Checks
Daily Checks (Executing the Self-test)
Setup procedure
Step 1. Press the [Local/Lock] key on the front panel.
Step 2. Confirm that LOCK is displayed in the status display area in the lower-right
corner of the LCD display.
During the cable correction, correction or reference measurement all the
key operations are invalid except the ABORT softkey and [Local/Lock].
Daily Checks (Executing the Self-test)
This section describes the daily checks required for the E4981B.
Self-test at power on
The E4981B provides a function that executes a self-test automatically at
power-on. When the self-test detects any malfunction at power-on, an error
message "Power on test failed" is displayed in the system message area. If this
happens, refer to
Executing the self-test from the front panel
The self-test of the E4981B can be executed from the front panel. The steps are
given below.
Self-test procedure
Step 1. Press the [System] key.
Step 2. Press the SELF TEST softkey.
Step 3. Use the cursor key to select the right of "TEST No." (1 in
Step 4.
Select the number corresponding to the test that you want to perform by using
the INCR+ and DECR- softkeys.
Step 5. Press the EXECUTE softkey (2 in
Step 6. Press the TEST START softkey (2 in
item.
168
"Check Items When Trouble Occurs" on page
Figure 10-2)
Figure
Keysight E4981B 120 Hz/1 kHz/1 MHz Capacitance Meter
173.
Figure 10-2)
10-2) to execute the selected test