Chapter 6: Maintenance
724-746-5500 | blackbox.com 6-3 6.3. How to Perform LCD Display Clock Diagnostics
1. Click on the Diagnostics link under Clock, and the Clock Diagnostics screen
will appear. Then click on the LCD Display tab and the LCD Display screen will
appear (see Figure 6-3).
Figure 6-3. LCD Display Clock Diagnostics.
2. Press the button to test the clock LCD display by lighting all the
segments/symbols on the clock LCD (see Figure 6-4). This allows the user to
verify that all segments and symbols work. After the LCD test is invoked, if
desired, press the to manually terminate the test. The test will
automatically terminate after 15 seconds.
Figure 6-4. LCD Test Display.
6.4. How to Reset the Clock
1. Click on the Diagnostics link under Clock, and the Clock Diagnostics screen
will appear. Then click on the Reset tab and the Reset screen will appear
(see Figure 6-5).