Adjustments - Farfisa EH9262CW series Technical Manual

INTERNAL STATIONS
Table version
TA9160
. Table adapter for Echos videointercoms. Complete with junction box and 2.4m connec-
tion cable with 20 wires.
WA9100T/W
Additional functions
Call floor
To receive a floor call you must connect a button (FP) between
terminals A1 and GN of the videointercom.
When the button FP is pressed, the videointercom speaker will
receive a call different from calls from the external stations. The call
is received also if the videointercom is in conversation.
Open door signal or other functions
To have a "main door left open" signalling or other similar services it is necessary to connect on the
installation an actuator art.2281 (see chapter
4). When the contact is closed orange LED
lights-ON if the actuator has been correctly
programmed.
Call repeater
To relaunch the call of the videointercom in
other parts of the house add a relay 1471E and
a transformer PRS210.
Selecting the closing impedance
Echos videointercoms are provided on the back with a jumper J11 that, when set in the correct position,
readjusts the signal coming from the riser to ensure the correct operation of the connected systems.
J11 Jumper to select impedance termination line
1-2
termination 100Ω Ω Ω Ω Ω
(default)
1 2 3 4
TA9160
LM
Yellow
LM
EH9262..
EH9262
GC
GE
230V
127V
0
PRS210
2-3
termination 15Ω Ω Ω Ω Ω
1 2 3 4 1 2 3 4
- Fix the wall adaptor WA9100T or
WA9100W to the table adaptor
using the supplied nuts.
- Insert the cable in the proper hole
of the adaptor and fix it.
- Make the connection on the video
intercom terminal boards and
write down the correspondence
between terminals and wire's
colour on the label on the junction
box.
- Connect the wires of the system to
the terminals of the junction box.
- Fix the videointercom as shown
in the figure 2 on page 2.22.
Junction box
LM
LM
LM
9T
6
7
5
1
1471E
max 50V-5A
3-4
open line
2.
23
(MT13 - En 2015)

ADJUSTMENTS

Brightness adjustment.
With the videointercom switched ON,
press left and right the button to adjust
the brightness of the image.
Colour and Contrast
adjustment.
The trimmers are located on the back of
the videointercom and can be operated
by means of a small screwdriver.
To adjust the trimmers is required:
- dismount the videointercom from the
wall to accede to the adjustment points;
- power ON the videointercom;
- insert the screwdriver in the hole
marked with the symbol of the
adjustment required;
- rotate the screwdriver clock or anti-
clock wise to find the desired image
quality;
- fix again the video intercom to the wall.
Enabling, disabling and level of the
ringing sound.
When the videointercom is switched-
OFF, it is possible to adjust the level of
the ringing sound pressing left and right
the button .
To disable the ringing sound it is
necessary to press momentarily the
button ; the red LED flashes during the
call and the conversation.
The status (enabled or disabled) and the
level of the ringing sound are stored and
they are used for next calls.
Setting of the audio level
- During a conversation with the external
door station or with an other intercom-
municating video door phone it would
be possible to adjust the loudspeaker's
volume pressing to one side the button
; selected audio level is automati-
cally stored and used for next conver-
sations.
- If the communication the audio is
intermittent or distorted it is advisable
to adjust the microphone sensitivity by
acting on the trimmer R86 located on
the back of the videointercom.
- In case of incorrect automatic switching
of the videointercom between talk and
listening function decrease the level of
the preferred function and increase the
other one by acting on the button
on the trimmer of the videointercom.
2
or