Urmet LBT 20899 Manual De Instrucciones página 8

PROGRAMMATION
JP3
JP2
JP4
JP1
JPA
The jumpers in the fi gure are represented in the default position ( 4+n systems with buzzer).
WARNING! The jumper JPC must always be on position "+".
4+n SYSTEMS (DEFAULT CONFIGURATION)
Put the jumper JPC on position "+".
For 4+n (5 wires audio) systems, put all the jumpers JP1, JP2, JP3, JP4 and JP5 in position "5" (standard
confi guration).
In case of traditional audio signals (carbon microphone), leave the trimmers MIC and SPK in default position
(SPK rotated completely anticlockwise). In case of electronic speech signal (micro-electret), rotate all the
trimmer SPK clockwise.
1+n SYSTEMS
Put the jumper JPC in "+" position.
For 1+n (2 wires) systems, put all the jumpers JP1, JP2, JP3, JP4 and JP5 in position "2".
Rotate all the trimmer SPK clockwise.
CALL BY BUZZER (DEFAULT CONFIGURATION)
Put the jumper JPA in position "R".
ELECTRONIC CALL BY HANDSET LOUDSPEAKER
Put the jumper JPA in position "E".
8
JPC
JP5
Fig. 2
LOUDSPEAKER
(SPK)
MICROPHONE
(MIC)
DS1130-017