206 Keysight E4981A 120 Hz/1 kHz/1 MHz Capacitance Meter
Precautions for Use and Daily Checks
Daily Checks (Executing the Self-test)
11-
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.
Daily Checks (Executing the Self-test)
This section describes the daily checks required for the E4981A.
Self-test at power on
The E4981A 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 “Check Items When Trouble Occurs” on page 211.
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 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 Figure 11-2)
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 Figure 11-2)
Step 6. Press the TEST START softkey (2 in Figure 11-2) to execute the selected test
item.
During the cable correction, correction or reference measurement all the
key operations are invalid except the ABORT softkey and [Local/Lock].