21
4 In-Home: Video users
Bus telephones
BTS 850-02
Standard bus telephone. Connection
at bus cores Ta and Tb.
Calling, speech, door release and •
storey call
Door release and light button•
Internal speech communication•
11 ring tones•
Call and speech volume can be •
changed in 5 steps
Silencing button for the ring tone•
Double assignment of the light •
button and silencing button
possible.
Integration of ZAR 850-... acces-•
sory possible
BFS 850-02
Standard bus handsfree telephone.
Connection at bus cores Ta and Tb.
Calling, handsfree/push to talk, •
door release and storey calls
Speech/control button•
Door release and light button•
Internal speech communication•
11 ring tones•
Call and speech volume can be •
changed in 5 steps
Silencing button for the ring tone•
Double assignment of the light •
button and silencing button
possible.
Integration of ZAR 850-... acces-•
sory
BTC 850-02
Deluxe bus telephone. Connection
at bus cores TaM and TbM.
Calling, speech, door release and •
storey call
Door release and light button•
Internal speech communication•
11 ring tones including chime•
Call and speech volume can be •
changed in 5 steps
Silencing button for the ring tone•
7 keys for switching and control •
functions with double assignment
facility
7 LEDs under the buttons for •
display of switching statuses
Integration of ZAR 850-... and •
ZPS 850-... accessory possible
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