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10. Buttons/Display of the Mobile Unit
a) Description of the Operating Elements
• Answering (e.g. accepting the call)
• During a call: Activating/deactivating the hands-free function
• Hanging up (terminating the call)
• Leaving the setup menu
• Switching the mobile unit on/off (keep the button pushed for more than 3 s)
• Scroll up in a list (e.g. phone book) or the setup menu
• Increase the volume of the speaker/handset during a call
• Show Caller List
• Scroll down in a list (e.g. phone book) or the setup menu
• Reduce the volume of the speaker/handset during a call
• Display phone book
• Perform internal call to another mobile unit
• Forward call to another mobile unit
• Set up conference with external phone call and another mobile unit
• The left and right function buttons are assigned differently. The currently possible operating
function is at the lower left and right in the display.
• In standby mode, the left function button permits calling the menu; the right function button
serves as redial button.
• Activate/deactivate key lock (push button longer than 3 s)
• Start conference
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Activate door opener (only possible while talking to the visitor); for this, push the button for more
than 3 s.
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Number keys for entering a phone number or programming the phone book
