User manual

Series 3700 System Switch/Multimeter Reference Manual Section 16: Maintenance
3700S-901-01 Rev. C / July 2008 16-3
Front panel tests
There are two front panel tests: One to test the functionality of the front panel
keys and one to test the display.
Test procedure
The front panel keys test lets you check the functionality of each front panel key.
To run the front panel keys test:
1. Display the MAIN MENU by pressing the MENU key.
2. Turn the navigation wheel to scroll to the DISPLAY menu item and press the
ENTER key to select.
3. Press the ENTER key to select TEST.
4. Select KEYS or DISPLAY-PATTERNS and press the ENTER key to run the
test.
KEYS: When a key is pressed, the label name for that key will be
displayed to indicate that it is functioning properly. When the key is
released, the message "No keys pressed" is displayed. Press the EXIT
key twice to end the test.
DISPLAY-PATTERNS: There are three parts to the display patterns
test. Each time ENTER or the navigation wheel is pressed, the next part
of the test sequence is selected. The three parts of the test sequence
are as follows:
a. Checkerboard pattern and the annunciators that are on during
normal operation.
b. Checkerboard pattern (alternate pixels on) and all annunciators.
c. Each digit (and adjacent annunciator) is sequenced. All of the pixels
of the selected digit are on.
5. Press the EXIT key to end the test.
6. Continue pressing the EXIT key to back out of the menu structure.