| Enable or disable Automatic Backlight for the extension. |
| If enabled for a 34-Button Super Display Telephone, set the Backlight Sensitivity in the next step. |
| This option does not apply to 22-button keysets since they have neither backlit displays nor illuminated key pads. |
| Option | Description |
|---|---|
| No (0) | [Default] Disabled. |
| Yes (1) | Enabled. |
| For 34-Button Super Display Telephones only, set the Backlight Sensitivity to match the lighting conditions for the room in which the telephone is installed. |
| Use lower settings (towards 1) for bright rooms. |
| Use higher settings (towards 8) for dimly lit rooms). |
| Option | Description |
|---|---|
| 1-8 | Backlight Sensitivity setting. [Default] = 4. |