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Issue 3 November 2006 3
About the EU24/EU24BL Expansion Module . . . . . . . . . . . . . . . 5
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Issue Date . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
The EU24/EU24BL Expansion Module . . . . . . . . . . . . . . . . . . . . . . . . 6
Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Using the EU24/EU24BL Expansion Module. . . . . . . . . . . . . . . . . . . . . 7
Adjusting the Viewing Angle . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
To Adjust the Expansion Module Upward . . . . . . . . . . . . . . . . . . 7
To Adjust the Expansion Module Downward . . . . . . . . . . . . . . . . 7
Viewing the Alternate Display. . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Selecting a Call Appearance/Feature Button . . . . . . . . . . . . . . . . . . 8
Changing the EU24/EU24BL Contrast . . . . . . . . . . . . . . . . . . . . . . 8
Changing the Display Contrast Using a 2420 Digital Telephone . . . . . . 8
Changing the Display Contrast Using a 4620/4620SW, 4621SW,
4622SW, or 4625SW IP Telephone. . . . . . . . . . . . . . . . . . . . . . 9
Understanding Call Appearance/Feature Button Status Icons . . . . . . . . . . . 10
Contents