Series 3700A System Switch/Multimeter Reference Manual
Section 7: Maintenance
3700AS-901-01 Rev. D/June 2018
7-3
Front panel tests
You can test the functionality of the front panel keys and the display.
Test procedure
This procedure tests the functionality of each front-panel key and the display.
To run the test:
1. If the Series 3700A is in remote mode, press the
EXIT (LOCAL)
key once to place the instrument
in local mode.
2. Display the MAIN MENU by pressing the
MENU
key.
3. Turn the navigation wheel to scroll to the
DISPLAY
menu item. Press the
ENTER
key to select.
4. Press the
ENTER
key to select
TEST
.
5. Turn the navigation wheel until the
KEYS
menu item is highlighted.
6. To start the test, press the
ENTER
key.
7. Press a key. The label name for that key is displayed, which indicates that it is functioning
properly. When the key is released, the message “No keys pressed” is displayed.
8. When the test is complete, press the
EXIT (LOCAL)
key twice The FRONT PANEL TESTS menu
is displayed.
9. Select
DISPLAY-PATTERNS
. This test lets you verify that each pixel and indicator in the vacuum
fluorescent display is working properly.
10. To start the test, press the
ENTER
key.
11. The checkerboard pattern and the annunciators that are on during normal operation are
displayed. Verify that they are displayed correctly.
12. Press the
ENTER
key.
13. The checkerboard pattern (alternate pixels on) and all annunciators are displayed. Verify that they
are displayed correctly.
14. Press the
ENTER
key.
15. Each digit (and adjacent annunciator) is sequenced. All of the pixels of the selected digit are on.
Verify that they are displayed correctly.
16. Press the
EXIT
key to end the test.
17. Continue pressing the
EXIT
key to back out of the menu structure.
Keys test
This test lets you check the functionality of each front panel key.
Perform the following steps to run the KEYS test:
1. If the Series 3700A is in remote mode, press the
EXIT (LOCAL)
key once to place the instrument
in local mode.
2. Press the
MENU
key.
3. Navigate through the menus by turning the navigation wheel . Press the
ENTER
key to select
the menu items as follows:
DISPLAY > TEST > DISPLAY-TESTS
.
4. Turn the navigation wheel until the
KEYS
menu item is highlighted.
5. To start the test, press the
ENTER
key. While the test is active, when you press a key, the label
name for that key is displayed to indicate that it is functioning properly. When you release the key,
the message “No keys pressed” is displayed.
