20Chapter 2 Introduction
Display Diagnostics menu
Use the Up/Down navigation keys on your IP Phone to scroll the diagnostics menu and to access the following diagnostic operations for your IP Phone and expansion module.
•Full Contrast
•LED Test
•Character Test
Instructions are displayed in the LCDs of the IP Phone and the expansion module. The line/feature key display areas are blank.
Full Contrast
The IP Phone and the expansion module display areas are set to maximum (dark) contrast, including the line/feature key areas. All LEDs are off.
LED Test
The IP Phone and the expansion module LEDs are set to on. The display areas clear, including the line/feature key display areas.
Character Test
The IP Phone and the expansion module LEDs are set to off. The available character set is displayed across all writable areas of the display, including the line/feature key display areas. The telephone
Table 4 on page 20 shows the diagnostic operation on the IP Phone and the expansion module.
Table 4 Display diagnostic operation on the IP Phone and the expansion module
Diagnostic step | IP Phone line/feature key LCD | Expansion module LCD |
|
|
|
Initial screen | Blank | Blank |
|
|
|
Full Contrast | Set to highest contrast | Set to highest contrast |
|
|
|
LED Test | Blank | Blank |
|
|
|
Character Test | Characters appear across the | Characters appear across the display |
| display areas and the telephone | areas and the telephone |
| is displayed. | |
|
|
|
