66250965 - V4.0 - 31/05/19
- 2 -
Kristallo Series
Art. KRV772 - Installation instructions
DURING A CALL
Answer a call
Press to answer the call and start the conversation.
Open the door
Press to activate the door open relay of the outdoor unit and end the connection. The “LED will flash then the unit re-
turns to stand-by mode.
Service button
Press to activate the service (if connected) for the programmed time (
SB
terminal open collector output).
The unit emits 3 “beeps“ and the LED will flash, then return to stand-by mode.
Reject the call
During an incoming call, press this button to reject the call. The visitor doesn’t receive any warning of the call rejected.
DURING A CONVERSATION
End conversation
Press to end a call.
Activate “Push to Talk” mode
Keep pressed to activate simplex “Push to Talk” mode: press
and keep pressed to talk, release the button to listen.
Open the door
Press to activate the door open relay of the outdoor unit. The LED will flash.
Service button
Press to activate the service (if connected) for the programmed time (
SB
terminal open collector output).
The unit emit 2 “beeps“ and the LED will flash.
Privacy service
Press to enable the privacy service. The LED turns on. The service is deactivated by pressing again the same button or
when the programmed time expires.
Speech volume adjustment
Press then use
or
buttons to increase or decrease the speech volume (1 “beep” for each press).
Picture brightness and hue adjustments
• Press one time then use
or
buttons to increase or decrease the picture brightness (double “beep” for each press).
• Press two times then use
or
buttons to increase or decrease the picture hue (double long “beep” for each press).
LED’S
Door open LED
Indicates if the door is open (requires an additional wire).
Privacy service LED
Indicates if privacy service is enabled or disabled.
PROGRAMMING
All programming options are available only when the system is in stand-by.
NUMBERS OF RINGS
1. Press and keep pressed button for 5 seconds to enter numbers of rings programming mode: the LED turns on and the unit
emits a “beep“;
2. Press button as many rings as required: the unit emits a “beep“ every time the button is pressed.
I.E.
: press 3 times for 3 rings.
Default value: 6 rings. Max value: 9 rings;
3. Wait for some seconds: the LED turns off and the unit emits a double “beep“ that confirms the new setting is properly stored;
4. The unit returns to stand-by mode.
SERVICE BUTTON DURATION
1. Press and keep pressed button for 5 seconds to enter service button 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 off and the unit emits a double “beep“ that confirms the new setting is properly stored;
4. The unit returns to stand-by mode.
Art. KRV772
7” Handsfree videomonitor for systems using composite video signal (coax) or balanced (twisted pair)
