Conventional Systems Technical Manual - Alcad

AUTO SWITCH-ON FUNCTION (monitors)To activate the auto switch-on feature, press the auto switch-on button on the monitor. You will then be able to see the image capturedby the video unit, open the street door, and, by picking up the receiver, establish communication with the main entrance panelof the installation.If the receiver is not picked up, the auto switch-on feature will remain enabled for a maximum of 30 seconds.When the receiver is picked up, the auto switch-on feature remains enabled for a maximum of 60 seconds or until the conversationends and the receiver is replaced.When this time expires, the system returns to being on standby.Characteristics:When the auto switch-on is activated, the system does not allow any other monitor to use the auto switch-on function. On pushingthe auto switch-on button on another monitor, the status LED indicator will flash, informing the user that the system is engaged.The call from the entrance panel has priority over the auto switch-on. If, during the time setting of the auto switch-on, a call is madefrom the entrance panel to another dwelling, the auto switch-on time setting finishes automatically, and only the monitor of the houseor dwelling which has been called remains activated. In this way, the confidentiality of the call is maintained.Others dwellingsDwelling 1Turning on the auto switch-on systemDwelling 1Dwelling 1Time limit for auto switch-on function: 30 seconds= Functions disabledTime limit for auto switch-on function: 60 secondsRECEIVING A CALL IN A DWELLINGWhen a call is made to a dwelling from the entrance panel, the telephone or monitor in the dwelling emits a warning sound. Itis then also possible to see the image of the visitor on the screen of the monitor. You can open the street door and, by picking upthe receiver, establish communication with the entrance panel.Once the call has been received, 30 seconds are allowed to answer it. When this period elapses, the system reverts to being onstandby.Once the receiver has been picked up, 60 seconds are allowed for conversation or until the receiver is replaced. The system warnsthe user before the conversation period comes to an end by emitting a series of buzzing sounds, thereby allowing the conversationtime to be extended either from the dwelling, by pressing and releasing the hang-up button on the device, or from the entrancepanel, where the visitor can call again.When the door-opening button is pressed, the visitor can enter the building.Characteristics:If there is more than one telephone/monitor in the dwelling, all of them receive the call simultaneously. When the receiver of oneof the devices is picked up, communication is established with the visitor.During the time periods allowed for answering and for conversation, the system does not allow the devices of other dwellings tojoin the communication.27