PAGE 40 of 60 VX2200 TECHNICAL MANUAL VER1.4
Video monitor (5478, 5476)
Description
An intelligent Hands-free (surface or flush mounting) video monitor employing a colour 3.5” active matrix
LCD display. The 5478 is available in white, silver and carbon fibre finishes and can be fitted with the
optional flush kit or handset kit.
The 5478 includes push buttons for “door open/concierge call”, “answer/camera recall”, “privacy on/off”,
“Latching relay activation” and 2 service buttons plus 4 LED’s associated with 4 main buttons. In addition to
the above the unit has controls for loudspeaker volume, call tone volume, brightness and hue with
programmable number of rings, privacy duration and melody.
The buttons and LED’s have the following functions:-
PUSH BUTTONS, LED’S AND CONTROLS (FIG.1)
Service push button - When pressed, shorts terminal v 12 “S1” to terminal “GND” (ground). (Max 24Vdc 50mA)
Latching output – Each time this button is pressed it will toggle terminal 14 between ground and open collector. The LED next
to the button will illuminate when the output is ground
Answer button - On an incoming call, operation of this button allows the user to answer and converse with the visitor. The
LED next to the button will illuminate.
Camera recall button - Press as many times as the DEVICE N. of the door station to switch on.
Switch off button - With the system switched on (monitor on), momentary operation of the button will switch the video monitor
off. The videomonitor will also automatically switch off after a time delay if the button is not pressed. LED 2 will switch off.
Simplex button - Pressing and holding the button for more than 3 seconds will switch the videomonitor into SIMPLEX speech
mode. Press and hold the button to speak to the caller (The LED will flash rapidly), release the button to listen (The LED will
flash slowly). If the button is not pressed for 10 seconds the videomonitor will switch off. The videomonitor will revert to
duplex speech when another call is made.
When pressed, shorts terminal 13 “S2” to Terminal “GND” (ground). (Max 24Vdc 50mA)
Privacy on-off button - Press to enable/disable the service. The LED next to the button will illuminate when the privacy
service is enabled.
Concierge call button – While in standby, press this button to call the concierge (If service is available).
Door open button - During a call, operation of this button will activate the “door open” relay (NO1, NC1, COM1).
1
Auxiliary LED
2
LED to indicate the operation of the answer/switch off/camera recall/simplex button
3
LED to indicate the operation of the privacy button
4
LED to indicate the operation of the door open button
Loudspeaker volume control
Call tone volume control
Brightness control
Colour intensity control
Art.5980
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