Maintenance
R&S
®
SMW200A
1158User Manual 1175.6632.02 ─ 16
How to perform the LED test
To perform the LED test, you operate the corresponding "USER" buttons in the "Check
Front Panel" dialog, and check the response of the connector LEDs on the front panel.
To perform this test properly, check each USER connector. The test is only completed,
when you have verified SETUP the functionality of all connector LEDs.
Proceed as follows:
1. Press the key.
2. Select "Maintenance > Check Front Panel"
The "Check Front Panel" dialog opens.
3. Select a "USER" button in the dialog.
The associated LED in the dialog changes its color.
Check that the LED of the corresponding USER connector on the front blinks in the
same color.
4. Repeat step 3 until all possible colors were displayed once. With the last step, the
associated LED in the dialog changes to gray and the "USER" button turns green.
Check that the LED of the corresponding USER connector on the front panel stops
blinking.
Note: Selecting the same user connector again has no further effect.
5. Repeat step 3 and step 3 for the remaining "USER" buttons, until all connector
LEDs are tested.
The test is completed, when each LED functionality is verified successfully.
When you have completed the test and close the dialog, the LEDs switch back to
the state they had before the test, according to the current settings of the USER
connector.
Expected responses:
●
Selecting the "USER" button three times (the LED at the front panel is blinking
green, yellow, red)
●
Selecting the "USER" key once more, the LED turns off.
●
After testing all LEDs, a "Test passed" message confirms the success.
If you detect a malfunction, for example an LED is not lit, or it no longer changes color,
it is defective.
Contact the Rohde & Schwarz customer support, see Chapter 15.6, "Collecting Infor-
mation for Technical Support", on page 1177.
Performing Maintenance Tasks
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