Art.6256 3.5" colour videophone
27 mm 144 mm
182 mm
Fig. 1
+V
-
1
2
V1
V2
24Vac
0Vac
SW1
SW2
PT3 PT2
PT1
SW1
LB
SB
LD
2A
3A
4A
5A
A
D
B
C
E
GF
Fig. 2
DESCRIPTION
Surface mount videophone incorporating a 3.5” Hi-Res full
colour active matrix LCD monitor specic for “6 wire” videokit
(VK4K, VRVK and VK8K range). It includes 4 buttons: “camera re-
call”, “open door” , “service” and “privacy”.
2 LED’s* indicate the privacy activated and open door. Program-
mable privacy duration and number of rings. Intercommunicat-
ing call and door call. Adjustments: call tone volume switch (3
levels), picture hue, contrast and brightness.
* The operation of some LED’s and the functions described may require additional cabling
LEGEND
A
Connection terminals
B
8 Way dip switch bank
C
2 Way dip switch bank
D
Contrast adjustment trimmer
E
Hue adjustment trimmer
F
Brightness control
G
Call tone volume switch
PUSH BUTTONS
Service push button
Shorts the “SB” terminal to GROUND (open collector 24Vdc 100mA max) while the button remain pressed.
Camera recall button
Pick up the handset then press the button (Press once for door/gate 1, twice for 2 and so on up to a maximum of 4 entranc-
es): the relevant LED switches ON and the monitor switches on showing the video from the door panel. The speech is also
live and the door can be opened by pressing .
Door-open / intercommunicating call button
With the handset lifted and speech lines open to the entrance panel, press this button to open the door. If the terminal “LD”
is properly connected the relevant LED remains switched ON until the door is closed.
Intercommunication only works when the system is in stand-by condition.
Switch 4 of the SW1 dip-switch selects the type of intercommunication:
OFF Intercommunication between two apartments - pick up the handset and press the key button to call the videophone(s)
in the other apartment. A busy tone will signal that the other videophone is in conversation with the door station and
so cannot be called.
ON Intercommunication between videophones in the same apartment
- pick up the handset and press the key button one, two, three or four times to call videophone with extension address 1, 2,
3 or 4 (Set on dip-switch 2&3 of SW1).
Any intercommunicating conversation is always interrupted by an external call (i.e. External calls take priority).
Privacy ON-OFF button
When the system is in stand-by, the pressing of this button activates (LED switched on) or disables (LED switched o) the
“privacy” service. The service is automatically disabled when the programmed privacy time expires. When the service is
enabled the videophone does not receive calls.
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