Siemens optiPoint family - Manual (Page 31)

optiPoint 500 advance.
● 19 function keys with light-emitting diodes
● Full duplex hands-free operation with echo
suppression to suit the surrounding area
● Integral USB 1.1 interface
● 2 adapter sockets
● 1 connection for two-way unit (121 TR9-5)
● 1 interface for up to 2 auxiliary devices:
• optiPoint key module
• optiPoint signature module
● Alphanumerical LCD display, tilting,
with two lines of 24 characters.
Additional back-lighting
● 3 dialog keys for interactive user guidance:
Yes, Return and Continue
● 2 adjusting keys (plus, minus) for idle tone
volume, idle tone quality, hands-free quality,
call waiting tone and display contrast
(depending on system)
● Suitable for wall mounting
● Colors: arctic, mangan
00 advance.
11