Siemens optiPoint family - Manual (Page 27)

optiPoint 500 basic.
● 12 function keys with light-emitting
diodes
● Open listening
● Integral USB 1.1 interface
● 1 adapter socket
● 1 interface for up to 2 auxiliary devices:
• optiPoint key module
• optiPoint signature module
● Alphanumerical LCD display, tilting,
with two lines of 24 characters
● 3 dialog keys for interactive user
guidance: Yes, Return and Continue
● 2 adjusting keys (plus, minus) for idle
tone volume, idle tone quality, call
waiting tone and display contrast
(depending on system)
● Suitable for wall mounting
● Colors: arctic, mangan
500 basic.
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