Bitronvideo T-line Manual De Istrucciones página 4

4+N SYSTEMS
For 4+n (5 wires) systems, put all the jumpers JP1÷JP5 in position "5", as shown in the photo (standard
confi guration):
MIK
In case of traditional speech signal, set the trimmers MIK and SPK as shown in the photo.
In case of electronic speech signal, rotate all the trimmer SPK clockwise.
1+N SYSTEMS
• Leave the jumper JPC in "+" position.
For 1+n (2 wires) systems, put all the jumpers JP1÷JP5 in position "2", as shown in the photo:
MIK
Rotate all the trimmer SPK clockwise.
Rotate the trimmer MIK at about central stroke position.
CALL BY BUZZER
Put the jumper JPA in position "R".
JPA
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ELECTRONIC CALL BY HANDSET LOUDSPEAKER
• Put the jumper JPA in position "E".
SPK
CONNECTIONS
4+N SYSTEMS
SPK
1+N SYSTEMS
DS90330-004B DS90330-004B
JPA
call
incoming speech signal (loudspeaker)
outgoing speech signal (microphone)
system ground
door opener
system ground
speech signal / call tone
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