Cisco 504 Handbuch für Administratoren - Seite 16

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Changing the screen contrast

Click Setup

To reduce the contrast, press the left navigation button. To increase it, press the right. Then press

Save.

Go to Preferences. Press Select.

Then press Option repeatedly to view the available options: Always On, Off, 10s, 20s and 30s.

Choose your option and press OK.

Choose this option if the system has a problem registering with Horizon, for example, or if you need to

restart to gain access to new features and updates. The phone will ask you to confirm you want a

restart. It will then power down and re-establish its network settings. You can also restart by removing

and re-inserting the Ethernet and/or the power cable. To restart:

Click Setup

The Factory Reset option, below the Restart option, should never be used.

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0844 880 9900

0844 880 0009

Adjust the contrast as needed

Go to Back Light Timer. Press Select

Go to Restart. Press Select.

Press OK to confirm