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GVM 70 EVOLUTION AUDIO-VIDEO MODULE
DESCRIPTION OF EVOLUTION VIDEO MODULE GVM70/0 AND GVM70/1
The GVM70 audio-video module is the basis of the 5-wire no coax video doorphone system. It is anodised grey
in colour and two versions are available (with or without calling button).
The setup module with calling button (GVM70/1) allows to make complete one or two user system with only
one unit and without the need for additional button modules. The calling button in this case is pre-wired as
shown in the drawings and complete with diode plate.
The name tag is lit by means of high-reliability blue LEDs.
In evolution audio/video GVM70/1 group, to confi gure the call button from single to double it is necessary to
perform the mechanical operations on the name holder tag and the following operations:
- remove with care the group back side (plastic) by moving it up;
- cut the jumper (or the resistor) in the middle of the circuit placed over the hole; this operation must be
performed with care;
- take out the wires from the terminal block and connect each one to the call wires (in column) of 2 different
users;
- mount again the plastic part previously removed;
Refer to the following two photos that show the operations to be performed:
The features of the GVM70 / GVCM70 video doorphone system are:
•
5 wires connecting the monitor to the door panel.
•
One centralised power unit.
•
Integrated lock management.
•
Apartment stations and video doorphone powered by the same, single power unit.
•
Name tag backlighting with LEDs.
•
Possibility of making combined AUDIO-VIDEO and VIDEO systems.
•
Relay box for managing systems with several door panels (Primary, Secondary).
•
Possibility of managing up to 2 monitors in parallel for each user without additional components.
•
Possibility of making a COLOUR system by using a colour camera (GVCM70).
•
Possibility of using T-Line, MV1000 and MV3000 monitors, either BLACK AND WHITE or COLOUR.
•
Possibility of using AN9136 with 1+N audio and T-Line AV1407/002 module doorphones.
•
Extension wiring via distributor or in in-out mode directly to device terminals.
•
System auto power-on directly from the monitor using the specifi c button.
•
Possibility of making digital call systems using UBUS series modules.
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DESCRIPTION OF TERMINALS
The module has the following terminals:
~
Lock power
AP
Door open command (lock between AP and ~)
~
Power from A70 power unit (12Vac)
~
Power from A70 power unit (12Vac)
+
Positive from A70 power unit (20Vdc)
-
Negative from A70 power unit (20Vdc)
1
Video system common
3
Column monitor power
A
Negative video signal
B
Positive video signal
V
75 OHM system signal
S
Video signal ground
0
System audio reference
CP
Button common (to be connected with wire to the two sides of the
buttons)
CH
Call repeat for controlling remote devices
CD
Diode common to be connected to CD terminals of button modules (see
instructions for special systems)
9
Digital device synchronisation signal
CAMERA INCLINATION ADJUSTMENT
The camera fi tted in GVM70/0 – AN6074/L and GVM 70/1 – AN 6082/L video modules is installed on a specifi c
support and may be adjusted to optimise the vertical shooting angle. Proceed as shown in the fi gure to
adjust.
Distance
m
50
100
200
VOLUME ADJUSTMENT
The video unit settings are optimal for a system of average size by default.
The settings may however need to be changed. Proceed as follows in such a case (Fig. 5):
-
External volume: turn trimmer EXT clockwise to turn the volume up and anticlockwise to turn it down.
DS90368-001A
DS90368-001A
m 0.50
WIRE DIAMETER AND CROSS-SECTION AREA
Wire
Wire
1/3
C/E/T/P
mm
2
mm
2
0,75
0,5
1,50
0,75
0,30 twisted
2,50
1,00
0,30 twisted
Wire
Wire
A-B
+/-/al/al-
mm
2
mm
2
0,3
1,5
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