Front Keyboard & Lcd Display Test; Source Test - Agilent Technologies E4991A Service Manual

Troubleshooting
External Tests Failure Troubleshooting
Front Keyboard & LCD Display Test
This test is to check if the function of the front keyboard and the LCD works normally.
Required Equipment
Nothing
Procedure
The following is the procedure to perform the Front Keyboard & LCD Display Test
Step 1. Open the External Test dialog box as described in "To Execute the External Test" on
page 189.
Step 2. Click
1.Front Keyboard & LCD Display
Step 3. Push the front key according to the front keyboard map, and confirm if the key and the
knob work normally.
Step 4. Click each LCD button on LCD Display Menu, and confirm if the function of the LCD
works normally.
Step 5. Click and exit this window, if all tests is passed. Click
PASS
a test is failed.

Source Test

This test is to check if the function of the receiver reads the level of the source normally.
Required Equipment
Description
Calibration Kit
Procedure
The following is the procedure to perform the Source Test.
Step 1. Connect the Test Head to the instrument.
Step 2. Open the External Test dialog box as described in "To Execute the External Test" on
page 189.
Step 3. Click on External Test dialog box.
2.Source
Step 4. Connect the 50ohm Termination of the 16195B to DUT Port on the Test Head. Then click
.
OK
Step 5. Click
OK & Next>>
190
on External Test dialog box.
Recommended Model
16195B (50 ohm)
to go to the next test.
and exit this window, if
FAIL
Chapter 4