Urmet 1133 Instrucciones página 8

PROGRAMMATION
LOUDSPEAKER (SPK)
MICROPHONE (MIC)
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
( MIC rotated completely clockwise, 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.
Rotate the trimmer MIC at about central stroke position.
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
JP4
JP2
JP3
Fig. 3
JP1
JPA
JP5
DS1133-009D