Videx ART.2301, Руководство пользователя

Страница: 8 / 24

Two Wire Videokit ESVK Series
PrtCode:ESVK_ENG_1.3 – Pag.8/24 23/10/2008 Rev.1.3
Art.3381
Digital videophone for VX2300 2 Wire System
Fig.1 Fig.2
DESCRIPTION
Intelligent videophone with 4” flat screen B&W monitor with “door open” and “camera recall” push buttons, bus relay enable button, service button, “pri-
vacy ON-OFF” button plus “privacy on” and “door open” LEDs. Controls: 3 levels of call tone volume (both main and local) plus contrast and brightness.
The videophone is available also in color version Art.3481 that uses a 3,5” active matrix LCD monitor. To avoid a BUS arrest in case a user forgot the
handset picked up, each operation must be executed within 10 seconds after the handset is picked up otherwise to perform an operation it is necessary
to hang up the handset and pick up it again.
PUSH BUTTONS, LEDS AND CONTROLS (FIG.1)
a Door open push button – Intercommunicating call. For an intercommunicating call, pick up the handset and press as many times as the
extension or address value to call (see SW3 Intercommunication Settings).
Camera recall push button. Pick up the handset and press as many times as the DEVICE N. of the door station to switch on.
b
If the door station uses the Art.4303N plus the Art.4330N, pressing this button during a conversation switches the video signal coming
from the camera module to the video signal coming from the camera module input for external camera.
c Activate bus relay board Art.2305 push button. To activate a bus relay pick up the handset and press as many times as the address
value of the relay.
d Service push button.
e Privacy ON-OFF push button. The privacy duration time can be programmed.
f Privacy ON LED. Switched ON when the privacy service is active.
g Door Open LED. Switched ON if the door is open. Its correct operation depend from correct connection (terminals 1 and 18)
h Call tone volume control (3 levels)
i Contrast control (left decrease, right increase)
l Brightness control (left decrease, right increase)
DIP-SWITCHES AND SWITCHES (FIG.2)
SW1 Switches from 1 to 7 are used for unit address (from 1 to 127 binary coded). Last switch (8) is not used
SW2 Switches 2,3 and 4 are used to set privacy duration time. The switch 1 is not used.
SW3 Switches 1,2 and 3 are used to for intercommunication settings. The switch 4 is used to set the slave mode.
SW Impedance terminator. The standard position is “close”. When more videophones are connected in parallel (from a videophone to an-
other and so on until the last) it must be set to “open” for all the videophones except for the last following the connection order.