Keithley 3700 series Reference Manual page 409

Series 3700 System Switch/Multimeter Reference Manual
2. Turn the 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.
5. Press the Exit key to end the test.
6. Continue pressing the EXIT key to back out of the menu structure.
Document Number: 3700S-901-01 Rev. A / August 2007

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
Rotary Knob 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.
Section 12: Maintenance
12-3