CDI Audio Visual Ltd - Digital TV Aerials and Satellite Page - Commercial and Domestic Installations _____

Audio System
In total 80 bedrooms have had Hi-fi quality ceiling speakers installed.
These in turn are fed via a state of the art 'A-Bus' (tm) Audio hub wired with cat5e cable
and fed to a wall mounted flush keypad volume control and amplifer system.

A pair of these speakers were installed flush to the ceiling, with the flush mounted keypad controlling the volume.
A remote control was provided for each room so enable control from in bed!

During 2007 we designed, supplied and installed complete Digital TV reception and distribution installation at the new easyjet headquarters at Luton airport.

Professional Installation by CDI - Commercial & Domestic Installations - Hampshire, UK - T: 01256 773266

This system feeds many different Digital TV channels.
Signals are distributed via the CAT6 structured cabling network to various Plasma screens situated throughout the office, reception and meeting room areas

Notice the special equipment in use to enable access to this specially designed aircraft hanger type building.
We installed a satellite dish together with a UHF Television Aerial onto the outside of the building.

If you fly from Luton Airport you will see this building on your left hand side as you enter the airport, Take a quick look!

Satellite TV Content Delivery System for Re-Broadcast.

We installed satellite dishes up on the roof of an 8x storey building to receive signals from 3x different satellites.
13 East, 19 East and 22 West.
Multicore cables fed the signals from the dishes and into a cabinet housing multi 'IF' amplifiers.
From here the cables continued down to the 3rd floor where the 10 cable backbone entered into another cabinet (pictured below), which housed a multiswitch arrangement for distribution to the various satellite receiver points.

Pictured here, an Engineer wires up the satellite signal distribution equipment cabinet.

The final part of this particular contract involved the fitting of these broadcast quality satellite receivers which we supplied custom made to suit the customers own requirements, (SDI Video output on BNC connectors and Balanced Audio via XLR connectors).

SMATV Channel Monitoring System.

Viewing figures for TV Channels and Programs.

You will hear many times each week in the media, how many people watched a particular program or channel.
This is the system that does it all.
We installed this system for the company who carries out this service here in the UK back in 2001.

This system is similar to a tradional SMATV system, it has a dedicated digital receiver for each TV channel broadcast.
The output from each receiver is fed into a bank of computers for analysis and processing.
Information is obtained from the polling panel around the UK, and then matched up.
From the results obtained, the broadcasters (all of them including BBC, ITV, C4, C5, SKY) know how many people have watched each station at what times and for how long.
Advertising revenue, program popularity etc is calculated based on the results from this system.
The next time you hear the TV viewing figures mentioned, think of CDI, as we installed all the TV reception side of this system! ! !
Here are some pictures we took while installing it.

(left pic) Banks of computers and digitisers which capture the output from the receivers.
(right pic) CDI engineer and a client employee check the SKY cards.
note: No there are no mirrors here, those really are rows of SKY receivers! (just some, not all).

Digiboxes - Rows of Digital Receivers installed in a SMTAV head End system - Installation by CDI - Commercial & Domestic Installations - Hampshire, UK - T: 01256 773266

more digiboxes - Rows of Digital Receivers installed in a SMTAV head End system - Installation by CDI - Commercial & Domestic Installations - Hampshire, UK - T: 01256 773266

Rows of Digital Receivers installed, proving a dedicated receiver for each channel

A special controller to keep the SKY receivers powered up at all times, and on the correct program! - Installation by CDI - Commercial & Domestic Installations - Hampshire, UK - T: 01256 773266

(left pic) When all the kit turned up, we had to unpack and move it quickly as space was at a premium!
(right pic) A SMATV controller monitors and keeps the SKY receivers on the correct channel!

Installed SMATV System at a Film Production Studio Complex

SMATV Satellite Dish mounted on the roof, fed via a multicore co-ax cable.

Dish installed using a 'Non Penetrating Roof Mount' Waterproof 'F' plugs were fitted to the Quattro LNB

Space was very tight on this particular site, so we installed the SMATV system into a 19" rack bay.
Satellite receivers were installed at the front of the rack, and all the technical stuff installed at the back.
In this way everything remained accessible from one side or the other.

Vestigial sideband modulators/filters fitted into a 19" rack cabinet

Below the modulators we installed the other Head end Equipment.
A 'non-infra-red' wired remote control was used to program the SKY receiver control units.

This picture shows how you can fit 16 channels, 2x Power supply units and a final Broadband Amplifier into one side of a 19inch rack bay cabinet.

There is space for more channels on the DIN rails if required at a later stage.

This system feeds 16 digital tv channels to 32 TV's (inc Plasma flat screens) spread over four buildings!

Moorfields Eye Hospital

This installation serves every TV in the hospital including the Patients wards.
Each TV set has 13 channels to choose from.

These pictures show the main hub of the system which is situated in a dedicated room.

The equipment is housed in a secure cupboard complete with fan cooling.

Installed Pro Broadcast TV Equipment at BBC Studios

We installed special kit here at BBC Studios. - Installation by CDI - Commercial & Domestic Installations - Hampshire, UK - T: 01256 773266

We installed special kit here at BBC studios to provide another in house TV channel,
used to preview news report productions on VT (Video Tape).
A couple of years later we installed yet another in house channel using the same kit, but this time connected to a satellite receiver and Satellite dish on the roof, which we installed for the use of national BBC HQ internal broadcasting of special events, relayed from London. Both items of equipment can be identified in this picture by our CDI badge on the kit.

How to Build and Install a SMATV System in a Royal residence

With 37 TV channels plus FM radio, Fibre Optic links to other buildings, seperate IRS feeds in each room, makes this system the ultimate - Installation by CDI - Commercial & Domestic Installations - Hampshire, UK - T: 01256 773266

This picture shows shelve mounted SKY digiboxes on the right and wall mounted digital Satellite Receivers at the top.
Individual channel modulators underneath, and 4 more normal receivers with decoders on the left.
Monitor TV is part of the installation. With 37 TV channels plus FM radio, Fibre Optic links to other buildings, separate IRS feeds in each room, makes this system the ultimate.
You can do no more than this!

A fully channelised system. Each UHF channel has it's own Filter and Amplifier to assure clean signals throughout the system. A fully channelised system. Each UHF channel has it's own Filter and Amplifier to assure clean signals throughout the system - Installation by CDI - Commercial & Domestic Installations - Hampshire, UK - T: 01256 773266

A fully channelised system. Each UHF channel has it's own Filter and Amplifier to assure clean signals throughout the system - Installation by CDI - Commercial & Domestic Installations - Hampshire, UK - T: 01256 773266

We installed Fibre optic kit at some of the sites where long cable runs were required between buildings. The advantage of Fibre over Copper cable is negligible signal loss even over long distances.

You may notice the similarity of this picture to another one above. They are in fact completely different sites, but I installed both of them to do exactly the same job, 37 TV channels distributed to various buildings throughout a private estate.

This is the finished job again, but with the Fibre Optic Transmitters showing to the right hand side of the room.

Here is a busy man, shown making an adjustment to the system.

How to Build and Install a 3.1Metre Satellite Dish

Build a Temporary Groundstand - Installation by CDI - Commercial & Domestic Installations - Hampshire, UK - T: 01256 773266

First cone off the immediate area surrounding the build site. Then, build up temporary ground stand for the dish to sit on while I build it.

Next, complete the frame - Installation by CDI - Commercial & Domestic Installations - Hampshire, UK - T: 01256 773266

Next complete the web structure by fitting the rim. Now it is ready to fit the 'petals' that will make up the dish face.

Now put the dish away inside the building ready for tomorrow when the crane will come to lift it onto the roof.

Up on the roof things are getting more exciting as we contemplate our next set of manoeuvres. Up on the roof things are getting more exciting as we contemplate our next set of manoeuvres - Installation by CDI - Commercial & Domestic Installations - Hampshire, UK - T: 01256 773266

Up on the roof things are getting more exciting as we contemplate our next set of manoeuvres - Installation by CDI - Commercial & Domestic Installations - Hampshire, UK - T: 01256 773266

Now all that has to be done is line up this
motorised dish to track the arc, (that is the line of satellites as they appear in the sky). Now all I have to do is line up this - Installation by CDI - Commercial & Domestic Installations - Hampshire, UK - T: 01256 773266

Now all I have to do is line up this - Installation by CDI - Commercial & Domestic Installations - Hampshire, UK - T: 01256 773266

This dish was completed by fitting a Quattro output LNB to feed a rack of multiswitches down in the communications room. However it is shown here with a C120 universal LNB which was used to line up the dish using our spectrum analyser.

IRS Communal TV Distribution Systems

Where neatness is the mark of a professional system, CDI exceed.
CDI offer an expert service to customers requiring a reliable and high quality installation.

A CDI quality IRS Head End system is shown here after just being installed into a loft space of a block of flats in London.
As you can see, the cables to each flat and the loop feeds onto the next multiswitch in the next loft, are yet to be connected.

You can see the cable that we use is a 'Solid Foam' type, with a 'Crimp on' type 'F' plug.

Engineer Installs a Multisat Dish array, used to feed a 9 wire 'Integrated Reception System'.

Note the use of a Pro Safety Harness, Climbing Rope, Karabiner, and Ladder tied to the wall.

Safety was a particular issue here as the install involved using both hands at once on the dish, leaving only the feet and the safety gear to suspend the engineer off the wall at a working height of 30' in the air!

Commercial Installation Photographs Special Projects Copyright © 2009'CDI Audio Visual Ltd.' Click here for > page 2
	Hotel TV and Audio System We installed a custom specified system into this new build 80 bedroom Hotel. The heart of a Hotel TV system lies tucked away from the guests rooms, usually in the Communications Room. This hotel was no different, and we installed the TV Head End system into one of our 19" rack cabinets. The Digital TV System is housed in the equipment rack and feeds out to each room in the hotel via cat5e cable. Each guest can choose which TV or Audio channel they want by selecting a button on the TV remote. The TV signals are connected into 32" or 40" LCD flat Screens which are all either pole or wall mounted. Cat5e patch cables are routed to the adjacent racks to connect to the buildings main Structured Cabling System for distribution to the rest of the Hotel thereby feeding all the TV screens. The customer requested from us a 16 channel TV system, which which we designed and built specifying 'TV over Cat5' panels from the SCION range, for whom we are dealers. The SCION equipment gives good quality, reliable results every time we use it. Each custom install is different and therefore we can tailor the design and exact components to suit the customer requirements. Here we specified a 16 channel input with 96 TV outputs. All TV sets get the same high quality picture regardless of distance from the head end. The picture is composite video with stereo audio on all channels, which originate from either Sky Satellite or Freeview DTT receivers connected in the equipment rack. We also included a Hotel information channel as part of our system. This channel give guests information over several active pages, about the hotel including telephone nmbers of all the departments, a TV channel line-up list, pictures of the hotel facilities and all with BBC News 24 TV in one corner of each page along with sound. This 'Hotel Information Package' as we like to call it, can be altered and updated as often as the Hotel manger requires from his desktop computer.
One challenge that we overcame was to do with a local radio station that they wanted to distribute around the hotel as another TV channel. Simple enough in itself, but the radio station is only available as an FM brodcast, so we needed some picture content to go along with the audio content. We produced a DVD whcih contained a short film about the radio station (courtesy of the radio station itself) and overlayed the Radio Station logo with other text indicating to the guest, that they were listening to a radio channel etc. The video feed from a DVD player with this disc plays in a permanent loop to provide a nice backdrop to the Radio station sound. All very swish, I must say, and an excellent and professional looking solution it is as well, and a solution that no doubt we shall be using again.
Audio System In total 80 bedrooms have had Hi-fi quality ceiling speakers installed. These in turn are fed via a state of the art 'A-Bus' (tm) Audio hub wired with cat5e cable and fed to a wall mounted flush keypad volume control and amplifer system. A pair of these speakers were installed flush to the ceiling, with the flush mounted keypad controlling the volume. A remote control was provided for each room so enable control from in bed! During 2007 we designed, supplied and installed complete Digital TV reception and distribution installation at the new easyjet headquarters at Luton airport. This system feeds many different Digital TV channels. Signals are distributed via the CAT6 structured cabling network to various Plasma screens situated throughout the office, reception and meeting room areas . Notice the special equipment in use to enable access to this specially designed aircraft hanger type building. We installed a satellite dish together with a UHF Television Aerial onto the outside of the building. If you fly from Luton Airport you will see this building on your left hand side as you enter the airport, Take a quick look! Satellite TV Content Delivery System for Re-Broadcast. We installed satellite dishes up on the roof of an 8x storey building to receive signals from 3x different satellites. 13 East, 19 East and 22 West. Multicore cables fed the signals from the dishes and into a cabinet housing multi 'IF' amplifiers. From here the cables continued down to the 3rd floor where the 10 cable backbone entered into another cabinet (pictured below), which housed a multiswitch arrangement for distribution to the various satellite receiver points. Pictured here, an Engineer wires up the satellite signal distribution equipment cabinet. The final part of this particular contract involved the fitting of these broadcast quality satellite receivers which we supplied custom made to suit the customers own requirements, (SDI Video output on BNC connectors and Balanced Audio via XLR connectors). SMATV Channel Monitoring System. Viewing figures for TV Channels and Programs. You will hear many times each week in the media, how many people watched a particular program or channel. This is the system that does it all. We installed this system for the company who carries out this service here in the UK back in 2001. This system is similar to a tradional SMATV system, it has a dedicated digital receiver for each TV channel broadcast. The output from each receiver is fed into a bank of computers for analysis and processing. Information is obtained from the polling panel around the UK, and then matched up. From the results obtained, the broadcasters (all of them including BBC, ITV, C4, C5, SKY) know how many people have watched each station at what times and for how long. Advertising revenue, program popularity etc is calculated based on the results from this system. The next time you hear the TV viewing figures mentioned, think of CDI, as we installed all the TV reception side of this system! ! ! Here are some pictures we took while installing it. (left pic) Banks of computers and digitisers which capture the output from the receivers. (right pic) CDI engineer and a client employee check the SKY cards. note: No there are no mirrors here, those really are rows of SKY receivers! (just some, not all). Rows of Digital Receivers installed, proving a dedicated receiver for each channel (left pic) When all the kit turned up, we had to unpack and move it quickly as space was at a premium! (right pic) A SMATV controller monitors and keeps the SKY receivers on the correct channel! Installed SMATV System at a Film Production Studio Complex SMATV Satellite Dish mounted on the roof, fed via a multicore co-ax cable. Dish installed using a 'Non Penetrating Roof Mount' Waterproof 'F' plugs were fitted to the Quattro LNB Space was very tight on this particular site, so we installed the SMATV system into a 19" rack bay. Satellite receivers were installed at the front of the rack, and all the technical stuff installed at the back. In this way everything remained accessible from one side or the other. Vestigial sideband modulators/filters fitted into a 19" rack cabinet Below the modulators we installed the other Head end Equipment. A 'non-infra-red' wired remote control was used to program the SKY receiver control units. This picture shows how you can fit 16 channels, 2x Power supply units and a final Broadband Amplifier into one side of a 19inch rack bay cabinet. There is space for more channels on the DIN rails if required at a later stage. This system feeds 16 digital tv channels to 32 TV's (inc Plasma flat screens) spread over four buildings! Moorfields Eye Hospital This installation serves every TV in the hospital including the Patients wards. Each TV set has 13 channels to choose from. These pictures show the main hub of the system which is situated in a dedicated room. The equipment is housed in a secure cupboard complete with fan cooling. Installed Pro Broadcast TV Equipment at BBC Studios We installed special kit here at BBC studios to provide another in house TV channel, used to preview news report productions on VT (Video Tape). A couple of years later we installed yet another in house channel using the same kit, but this time connected to a satellite receiver and Satellite dish on the roof, which we installed for the use of national BBC HQ internal broadcasting of special events, relayed from London. Both items of equipment can be identified in this picture by our CDI badge on the kit. How to Build and Install a SMATV System in a Royal residence This picture shows shelve mounted SKY digiboxes on the right and wall mounted digital Satellite Receivers at the top. Individual channel modulators underneath, and 4 more normal receivers with decoders on the left. Monitor TV is part of the installation. With 37 TV channels plus FM radio, Fibre Optic links to other buildings, separate IRS feeds in each room, makes this system the ultimate. You can do no more than this! A fully channelised system. Each UHF channel has it's own Filter and Amplifier to assure clean signals throughout the system. We installed Fibre optic kit at some of the sites where long cable runs were required between buildings. The advantage of Fibre over Copper cable is negligible signal loss even over long distances. You may notice the similarity of this picture to another one above. They are in fact completely different sites, but I installed both of them to do exactly the same job, 37 TV channels distributed to various buildings throughout a private estate. This is the finished job again, but with the Fibre Optic Transmitters showing to the right hand side of the room. Here is a busy man, shown making an adjustment to the system. How to Build and Install a 3.1Metre Satellite Dish First cone off the immediate area surrounding the build site. Then, build up temporary ground stand for the dish to sit on while I build it. Then Fit the parts of the dish together Next complete the web structure by fitting the rim. Now it is ready to fit the 'petals' that will make up the dish face. Now put the dish away inside the building ready for tomorrow when the crane will come to lift it onto the roof. Here comes the crane that will lift the dish up onto the roof A view from up on the roof. Here it comes Here comes the 3.1Metre satellite dish, looking like the full moon in spring. Up on the roof things are getting more exciting as we contemplate our next set of manoeuvres. The Dish is lowered by the crane carefully onto it's mounting mast. Now all that has to be done is line up this motorised dish to track the arc, (that is the line of satellites as they appear in the sky). This dish was completed by fitting a Quattro output LNB to feed a rack of multiswitches down in the communications room. However it is shown here with a C120 universal LNB which was used to line up the dish using our spectrum analyser. IRS Communal TV Distribution Systems Where neatness is the mark of a professional system, CDI exceed. CDI offer an expert service to customers requiring a reliable and high quality installation. A CDI quality IRS Head End system is shown here after just being installed into a loft space of a block of flats in London. As you can see, the cables to each flat and the loop feeds onto the next multiswitch in the next loft, are yet to be connected. You can see the cable that we use is a 'Solid Foam' type, with a 'Crimp on' type 'F' plug. Quality! A fitted 'F' plug. Engineer Installs a Multisat Dish array, used to feed a 9 wire 'Integrated Reception System'. Note the use of a Pro Safety Harness, Climbing Rope, Karabiner, and Ladder tied to the wall. Safety was a particular issue here as the install involved using both hands at once on the dish, leaving only the feet and the safety gear to suspend the engineer off the wall at a working height of 30' in the air! See the next pictures! Testing, testing....... This is a UK website address serving the UK only - 'All Trademarks Recognised' Commercial Installation Photographs Special Projects Copyright © 2009'CDI Audio Visual Ltd.' Click here for > page 2

Commercial Installation Photographs Special Projects

Copyright © 2009'CDI Audio Visual Ltd.'

Click here for > page 2

Hotel TV and Audio System

During 2007 we designed, supplied and installed complete Digital TV reception and distribution installation at the new easyjet headquarters at Luton airport.