AASTRA 600c_d for SIP-DECT User Manual EN - Manual (Page 82)

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Data management / SD Card (622d, 632d, 650c with SD card only)
Programms a key with access to the SD Card menu.
Locating Programs a key with access to the Locating function.
Contact your system administrator for more information on the
functions.
Presence Programs a key to call up the Presence feature. For more
information on the features themselves, contact your System
Administrator.
Light Not Aastra 610c , 620d, 630d: Programs a key for switching the
display illumination on and off.
Bluetooth Assigns the key with access to the Bluetooth menu (not Aastra
610d, 612d).
Hi-Q audio Aastra 650c only: Programs a key for switching between standard
audio and Hi-Q audio (see page 59).
Volume Programs a key with access to the volume setting (the
programmed key is not identified by a symbol / icon).
Note
If you have reprogrammed the functions from the status they had on delivery, you can access these
functions through a number of alternatives.
Redial … by pressing the Call key and holding it for a moment.
Navigation … by pressing the keys , , ,
Key programming