Videx 4000 Series 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:
a. The transmitting amplifier with condenser microphone and
volume control;
b. The receiving amplifier and volume control;
c. 2 LEDs to illuminate the name plate (except the Art. 4837-0 model);
d. The lock release relay to enable the electric lock;
e. The modulated tone generator.
This speaker unit together with a camera module Art. 4830, can
be used on video door entry systems.
On speaker units Art. 4837-0, Art. 4837-1 and Art. 4837-2 the P3
and P4 terminals will not be available.
AVAILABLE VERSIONS AND BUTTONS LAYOUT
Art. 4837-0
ADHESIVE GASKET PLACEMENT
seal as shown in Fig. 3.
Apply the
Y
ANTI-TAMPERING LOCKS FIXING
Fit the anti-tampering locks
Art. 4837 - Installation instructions
B
C
1
Art. 4837-1
as shown in Fig. 4.
W
4837-0
4837-1
4837-2
F
Fig. 2 Back
LEGEND
Loudspeaker
A
Push buttons
B
Card name holders
C
Loudspeaker volume
D
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
Art. 4837-2
Y
Fig. 3
- 1 -
Made in Italy
4837-1D Stainless Steel
4837-2D Aluminium
High Brass
Microphone volume
E
Microphone
F
Connection terminals
G
3 1
Art. 4837-1D
G
Fig. 4
66250230 - V3.0 - 31/05/18
D
E
Matte
G
4 2
3 1
Art. 4837-2D
W