Maintenance
R&S
®
SMW200A
1157User Manual 1175.6632.02 ─ 16
See Chapter 2.1.5.5, "Calibrating the Touchscreen", on page 51 for information on how
to proceed.
How to perform the key panel test
To perform the key panel test, you operate the keys at the front panel, and check the
response of the instrument in the "Check Front Panel" dialog. To perform this test
properly, check each key of the front panel. The test is only completed, when you have
verified all keys.
During the test, the actual functions of the keys are disabled.
1. Press the SETUP key.
2. Select "Maintenance > Check Front Panel"
The "Check Front Panel" dialog opens.
3. Press a key on the front panel.
Check if the corresponding key in the "Check Front Panel" dialog turns green.
4. Press the same key a second time.
Check that the key in the dialog turns red.
Note: Pressing the same key again has no further effect, except for the ESC key,
see Press the ESC key a third time.
5. Continue with the next key on the front panel and repeat step 3 to step 5 until all
keys are tested.
The test is completed, when each key is verified successfully, confirmed by a "Test
passed" message.
► Press the ESC key a third time.
Exits the "Check Front Panel" dialog.
Expected responses:
●
Pressing a key once (green), pressing twice (red)
●
Pressing the ESC key a third time exits the dialog.
If you detect a malfunction, for example, you press the front panel key the first time,
and the color of the button in the dialog turns red (instead of green), the front panel key
may be stuck.
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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