Videx KRA78, KRA76 Installation Instructions Manual
66250930-EN - V2.2 - 15/01/16
1
Kristallo Series
Art.KRA78-KRA76 - Installation instructions
63
42
106
182
29
SW1
DOL
SB
AL
LB
L
_
12Vin
ON
Fig. 1 Art.KRA76
71
190
29 839
189
70
SW1
ON
DOL
SB
AL
LB
L
_
12Vin
Fig. 2 Art.KRA78
DESCRIPTION
Intelligent Hands free intercom for the VX2200 digital system with touch sensitive buttons for “door open/concierge call”, “answer/
camera recall”, “privacy” and “service” plus 4 buttons for volume adjustment and programming plus 4 LEDs related to the intercom
operation. For the surface version only (Art.KRA76), a handset can also be used in addition to the handsfree mode.
The following programmable options are available:
• Call tone volume.
• Speech volume.
• Intercom address (from 1 to 180).
• Privacy duration (from 30 minutes to 20 hours or unlimited).
• Call melodies (9 available).
• Number of rings (from 1 to 9).
• Intercommunication mode/ Extension ID (from rmware release 2.0 and later).
Additionally the Kristallo has an input for local door bell and alarm.
Art.KRA78-KRA76 Handsfree intercom
LEGEND
Connection terminals
8 way dip switch bank to set
videophone address
66250930-EN - V2.2 - 15/01/16
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Kristallo Series
Art.KRA78-KRA76 - Installation instructions
PUSH BUTTONS AND CONTROLS
• Press this button during an incoming call to open the speech in half duplex mode allowing free speech with the caller
in both directions (The related LED will illuminate).
• During a conversation, momentary operation of this button will end the call. The LED next to the button will switch
o. The system will automatically switch o when the conversation time expires.
• Press and hold this button (more than 1 second), during an incoming call or a conversation in progress, to allow the
user to answer a call from a visitor at the door station in SIMPLEX speech mode (The related LED will ash rapidly):
releasing the button will allow the user to listen to the visitor (The LED will ash slowly). Press and hold the button
when you talk to the visitor and release the button when you listen to the visitor.
• When the system is in standby, (No calls on the system) operation of this button will open the speech to the door
station (Only when the recall facility is enabled). The related LED will illuminate. Press as many time as the ID value of
the door panel to connect to.
• During a conversation, operation of this button will release the door from where the call originated. This will be conrmed by
an acoustic tone. If terminal “DL” is connected, the “door open” LED next to the button will also be illuminated.
• When the system is in stand-by, a button press will book a call to the concierge (If available)
• When the system is in stand-by, press this button to enable the service for the programmed time: the related LED will
illuminate to signal the service enabled. During an incoming call, with the service enabled, the device does not emit
any acoustic signal. The service is disabled when the programmed time expires or pressing again the button.
• When the system is in stand-by, keep pressed this button until the unit emit a beep and the related LED switches ON
to enter to privacy duration programming menu.
Press this button to enable the active low output “SB” for 2 seconds. The related LED illuminates and the intercom emits two beep.
When the system is in stand-by, press “ ” or “ ” (the intercom emits a beep) to increase or decrease the volume level
of the call tone: two short beeps signal the maximum or minimum level reached.
When intercom is in conversation, press “ ” or “ ” (the intercom emits a beep) to increase or decrease the volume
level of the speech: two short beeps signal the maximum or minimum level reached.
OPERATION
DURING STANDBY
Intercommunication
Press the right “
“ button as many time (1 to 9) as the PHONE ID or the EXT. ID (depending on the intercommunication mode i.e. In
the same apartment or between dierent apartments) of the videophone/intercom to call. The “
” LED will ash with every press.
RECEIVING A CALL
During a call:
• To answer in hands free mode press the “
” button (or pick up the handset on model Art.KRA76);
DURING THE CONVERSATION
During the conversation:
• To switch from hands free to push to talk mode, keep pressed the “
” until the related LED starts to ash slowly. Keep pressed
the “ ” button to talk to the visitor (the LED ashes quickly) and release the button (the LED ashes slowly) to listen to the visitor;
• To open the door press the “ “ button;
• To enable the secondary service keep pressed the “ ” button until the conrmation is received.
UNIT INITIALIZATION
TO RESTORE FACTORY PRESET
Make a link between the “LB” and “–“ terminals, power up the system and wait until
LED ashes once then remove the link.
Factory default settings:
• The melody volume “ ” (factory preset medium level);
• The speech volume “ ” (factory preset medium level);
• The melody (factory preset 1);
• The number of rings (factory preset 6);
• The privacy duration (factory preset never ending);
Art.KRA78-KRA76 Handsfree intercom
66250930-EN - V2.2 - 15/01/16
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Kristallo Series
Art.KRA78-KRA76 - Installation instructions
• The intercommunication mode (factory preset extension ID 1 intercommunication inside the same apartment)
TO ENABLE ENTRANCE RECALL FUNCTION
Make a link between “A L” and “–“. Power up the system and wait until“
” LED ashes twice then remove the link (to disable the
feature follow the same procedure, the LED “
” will ash only once).
Now, when the system is in standby (No calls on the system), operation of “
” button will open the speech to the door station. The
related LED will illuminate. Press as many time as the ID value of the door panel to connect to (i.e. to open the speech to the door
panel with ID 3, press 3 times the button “
” ).
PROGRAMMING
Before connecting the intercom to the system, it is important to set the intercom address by the 8 way dip-switch on the back of the
unit. All other programming must be made with the intercom connected, powered and in stand-by.
INTERCOM ADDRESS SETUP SW1 PHONE ID
Each device must be addressed in binary (PHONE ID) using the 8 way dipswitches located on the rear of the unit. Each switch correspond to one bit which can have a value 0 (OFF) or 1 (ON). Each bit corresponds to a decimal weight depending on the position:
Switch 1 = decimal 1, 2=2, 3=4, 4=8, 5=16, 6=32, 7=64, 8=128. I.E. to set the address 37, put switches 1, 3 and 6 on (1+4+32=37).
SWITCHES DECIMAL WEIGHT ADDRESS
8 7 6 5 4 3 2 1 128 64 32 16 8 4 2 1
OFF OFF OFF OFF OFF OFF OFF ON 0 0 0 0 0 0 0 1 1
OFF OFF OFF OFF OFF OFF ON OFF 0 0 0 0 0 0 1 0 2
OFF OFF OFF OFF OFF OFF ON ON 0 0 0 0 0 0 1 1 3
OFF OFF OFF OFF OFF ON OFF OFF 0 0 0 0 0 1 0 0 4
OFF OFF ON OFF OFF ON OFF ON 0 0 1 0 0 1 0 1 37
ON OFF ON ON OFF ON OFF OFF 1 0 1 1 0 1 0 0 180
TO SET THE MELODY 9 AVAILABLE
• Keep pressed the button “
” (loudspeaker minus “ ”) until the service LED illuminates: the intercom play the current melody
followed by a beep at the end;
• To listen and select another melody, press again the same button “ ” (a beep signals the end of play);
• When the required melody is reached, wait for the exit from melody programming to store the selected melody: the unit emits a
double beep and the LED switches o.
TO SET THE NUMBER OF RINGS FROM 1 TO 9
• Keep pressed the button “
” (loudspeaker plus “ ”) until the service LED illuminates and the intercom emits a beep;
• Press the button “ ” as many times as the number of rings to be set (each time the button is pressed the unit emits a beep);
• Once the required number is reached, wait for the exit from programming to store the new value: the unit emits a double beep
and the LED switches o.
TO SET PRIVACY DURATION FROM 30 MINUTES TO 20 HOURS OR NEVER ENDING
• Keep pressed the button “
” until the related LED illuminates and the intercom emits a beep;
• To set never ending, wait the exit from programming without pressing any button otherwise press one or more times the “ ”
button to set the required time (from 30 minutes to 20 hours) considering that each time the duration increases of 30 minutes
(i.e. to set 2 hours press 4 times the button);
• Once set the required number of rings, wait the exit from programming to store the new value set: the unit emits a double beep
and the LED switches o.
TO SET AUXILIARY SERVICE DURATION
1. Press and keep pressed “
“ button for 5 seconds to enter auxiliary service duration programming mode (the time during which
the “SB“ output remains active): the “ “ LED turns on and the unit emits a “beep“;
2. Press “ “ button as many seconds as required for the activation: the unit emits a “beep“ every time the button is pressed. I.E.:
press 30 times for 30 seconds. Default value: 2 seconds. Max value 99 seconds;
3. Wait for some seconds: the “ “ LED turns o and the unit emits a double “beep“ that conrms the new setting is properly stored;
4. The unit returns to stand-by mode.
Art.KRA78-KRA76 Handsfree intercom
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