SBC MT 01 Especificaciones descargar pdf (Pagina 88)

GROUP S.P.A.

MT SBC 01

OPERATING NOTES

• When the visitor presses the call button the ringtone of the

internal unit is activated.

• A call confirmation tone sounds at the external unit; if the call

confirmation tone is not heard in systems with several entrances,

it means that another conversation is taking place with another

external unit installed on the same riser. If Art. 3346 - system

busy signalling module - is installed, wait until the module turns

off before making the call again.

If 3340 is installed, the system busy signal is shown on the

display.

• At the internal unit, communication takes place by lifting the

handset.

• The button marked with the key symbol acts on the electric lock

of the external unit, activating it for about 2 sec.

• By pressing the call button on the external unit in video door

entry systems, the LEDs for illuminating the caller light up; the

image remains on the monitor for about 90 sec.

• The monitor switches on automatically when pushbutton 2 is

pressed. If two external units are installed, by pressing monitor

automatic switch-on pushbutton 2 twice, you can view first one

and then the second image from the two external units

(alternating between two entrances function).

• To adjust ringtone volume, use the appropriate control on each

monitor or interphone.

• For adjusting audio volumes on the external unit see pages 3,

15, 27 and 29.

Automatic switch-on is possible only when the system is in

standby.

• To adjust the brightness of the monitor use the appropriate

adjuster.

• After replacing the handset of the internal unit, you have a few

seconds in which you can resume audio communication with the

external unit.

From the moment of hanging up, a few seconds pass before the

image disappears from the monitor.

• The monitor set as Main (factory setting of bracket Art. 5714C,

Art. 4784) switches on in response to a call and to automatic

switch-on even if it is installed as an additional monitor with the

same user code.

• The monitor set as Secondary (see variant SB2/A1BC-A2BC on

pages 115, 116), does not switch on in response to calls but in

response to the start of audio communication or when the

specific pushbutton is pressed.

• Monitors and interphones with same user code all ring at the

same time (regardless of whether they are main or secondary)

in response to calls from the external unit, switchboard or

landing.

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