Videx 4000 Series Instruction Manual

4000 Series
Art. 4837
Speaker unit for "3+1" and "4+1" systems
A
B
Fig. 1 Front
DESCRIPTION
Speaker unit for "3+1", "4+1" with privacy of speech, intercommu-
nicating audio door entry systems and video door entry systems.
The speaker unit circuitry includes:
• The transmitting amplifier with condenser microphone and
volume control;
• The receiving amplifier and volume control;
• 2 LEDs to illuminate the name plate (except the Art. 4837-0 model);
• The lock release relay to enable the electric lock;
• The modulated tone generator.
• This speaker unit together with a camera module Art. 4830,
can be used on video door entry systems.
AVAILABLE VERSIONS AND BUTTONS LAYOUT
Art. 4837-0
Art. 4837 - Installation instructions
1
Art. 4837-1 Art. 4837-2
4837-0
4837-1
4837-2
C
Fig. 2 Back
LEGEND
Loudspeaker
A
Card name holder
B
Push button
C
CONTROLS
Loudspeaker volume
Adjust the loudspeaker volume.
Rotate clockwise to increase or anti-clockwise to decrease
Microphone volume
Adjust the microphone volume.
Rotate clockwise to increase or anti-clockwise to decrease
2
1
- 1 -
STEEL
ALI
HIGH BRASS
MATTE
GUN METAL
Made in Italy
Loudspeaker volume
D
Microphone volume
E
Connection terminals
F
66250230 - V5.0 - 31/01/21
Rev.0.1
D
E
F