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Technical Index Aerial+LNB 1 Cable Aerial amplifier Aerial Filters Aerial Groups Aerial Points Aerial - Which? Amp Adder Analogue Switch-Off A18QR aerial Arcon Dish Atticbox Audio Adapter USB AV equipment BBC/ITV outside UK Bedroom sound Best aerial Cable Kinked Cable specs Cable-Thin Coax Cable - Which? CAMs etc. Capacitor Kits Channels Chimney Brackets Coaxial Cable Cooling fan Compass use Cupboard Control DAT45 aerial DC inserter Decouple cable Denso Tape Digibox in loft Digisender Digital Ariel Diplexers DirecTV Disconnect safely Disguise a dish Dish indoors Dish Painting Dish Sharing Dish Size E-books Electric shocks Electronic Kits Electronic Parts Epoxy resin glue Extend cable Extender Plate F1 for Free Filter-notch Fire Hazard Fit F Connectors Fit TV plugs Foxsat HDR Free channels Freeview/Freesat Freeview Problem Freesat Install DIY French sat TV German sat TV Greek sat TV Heatshrink Sleeving Hole Cover Humax PSU Inside Sky Digibox Instructions Interference Invacom LNB Italian sat TV IR sensor-locate Large Dishes Lightning Protect Liquid Spilt LNBs - about LNBs - add more LNB amplifier LNB Boots LNB Fitting LNB-Replace Sky LNB Reset LNB skew LNBs-Switching two LNBs 2 in 1 cable LNB-waterproof your Loft Boxes Magic eyes Make Fly-Lead Multiroom phone Multiswitches No Satellite Signal Omnisat Semitronic Orbital dish Phone Socket Wires Phone surge protect Plate-Twin-F Plugs-which? Plug-Top PSUs Plus Combiner Powermid+cable TV Powermid XL Reed Switches Remote Codes Remote Eyes Remote extenders RJ45 plugs Satellites-where Scart leads Self-Amalg Tape SelfSat Antenna Signal Combiners Signal Meter Silicone Grease Sky x2 same room Sky+ batteries Sky Digital Sky in Europe Sky Install DIY Sky LNB Sky LNB-extra Sky Multiroom Sky Remote Probs Sky room wiring Sky Plus Solder - How to Split Digibox RF Split Dish cable Split satellite signal Stacker-Destacker Stuck in standby Thomson Problems Tree blocks signal Triax minidish TV/VCR faults TV Links tvLINKplus TV set New TV eyes USALS Videosenders VisionLink Wall Plates WF125 Plugs What Channels Which plugs Wire my house 304114 wall plate Shop Index All Aerials Aerial Amplifiers Aerial Attenuators Aerial Boosters Aerial Filters Aerial Hardware Aerial Meters Aerial Splitters Audiophile Bargains Books to download Boosters, Amps Cable & Extensions Cable Joint Cable on Reels Capacitors Caravan/motorhome Car Radio Adapters CAT5-HDMI Components Computer Batteries Computer Leads Digibox spares DiSEqC Switches Dishes Dish Hardware DVD Players Earth rod Electrical - mains Electronic components Electronic Kits Electronic Kits 2 Extension - Coax Extension - mains Faceplates Filters electrical F Plugs Fly Leads Freeview cable Freesat Digiboxes FTA Digiboxes Freeview receivers Fuses Gaming Accessories German Sat TV HDMI / Audio Headphone Amp Home Cinema Installation kits Leads + Plugs LED Torches LNB cable LNBs for Sky LNBs 40mm LNBs C120 LNB switches LNB amplifiers Loft Boxes Magic Eyes Mains Electrical Meters Motorhome Motorised dish bits Multiswitches Power supplies Remote Controls Remote extenders Resistors RF Cable RF Modulators Satellite Cable Satellite Meters Scart Leads Screen Cleaning Signal Combiner Sky Digiboxes SkyLink Amplifiers SkyLink Bypass Splitters Telephone cable Thomson PSU Tools Grease Glue Transistors TV Eyes TV Plugs TV Wall Brackets Videosenders Video/Leads Wall plates 1 Wall plates 2 Technical Index FAQs BLOG Contact Us		UXF4 amplifier UXF4 2 IN-4 OUT MASTHEAD inc PSU When would you use a masthead amplifier like this? When you want to feed the TV aerial signal to up to four TV sets. Note that this system does not provide any facility for a Return Feed to pipe other signals round the house - it is purely for TV. It can accommodate both analogue and Digital terrestrial signals. If you require a Return Feed so that signals from one receiver (satellite or Freeview) can be piped to other rooms, you should use a Loft Box instead. By amplifying close to the aerial, the integrity of the signal is maintained and the effects of loss through long cable runs minimised. The fully screened inner case, ABS housing and Supaseal cable entries guarantee full protection to circuitry. UX kits provide the option of multipoint installations with external cabling, often a simpler and tidier solution. A proven range designed with the professional in mind. The masthead amplifier can be mounted on the aerial mast or in the roof space. It should be mounted as close to the aerial as possible but no closer than 1 metre. PSF1200 12v 100 ma fully-screened with female F-connectors. Antiference masthead power supplies are designed 10 inject 12 volts DC onto a coaxial TV aerial cable, in one direction to power a masthead amplifier or similar line powered device with minimal insertion loss. All models have a moulded UK 3-pin plug lifted with a 3 amp fuse. Do not remove the mains plug or wire these units directly into the mains supply. These units must be fused at 3 amps. Choose a location to fit the unit within reach of a convenient mains socket and avoid tangling the mains and coaxial cables entering and leaving the unit. Do not allow the power supply to hang on its cables as this may cause damage to the cables, connectors or PCB. Usually the power supply will be fitted behind the main television near the incoming aerial down lead. However it may be possible to fit the power supply in the roof space. Do not allow soft furnishings such as curtains to cover the power supply and avoid allowing the unit to lie on carpeting where the ventilation holes may become covered. When fixed in a roof space, do not allow insulation material to cover the power supply. Roof spaces can become extremely hot in summer! Mount the power supply securely to a wall or skirting board using the screw slots provided. Take care when drilling holes in a wall near to a mains socket not to drill into a ring main cable buried in the plaster. PSF1200 and PS1200 are designed for 12v masthead amplifiers up to a maximum l00 mA load. All models are short-circuit and overload protected and designed for continual use. However, it not good practice to leave any short circuit in place for a prolonged Period. When a short circuit is present the red "power on LED will be extinguished. Model PS Fl200PS12O0 Output 12v Positive to Centre Conductor IMPORTANT: When a power supply is used to feed an amplifier upstairs, any wall plate MUST be a non-isolated type, otherwise the aerial signal will get through but the DC power won't. An isolated (decoupled) plate is often marked with a capacitor symbol -||- so if yours has this (or obviously has capacitors fitted inside) don't use it unless you short-circuit the capacitors. The UX4 kit comprises a UXF4 amplifier with its own power supply unit (PSU) that can be positioned close to the main TV set if desired. The PSU feeds the aerial signal to one TV (usually the main TV) and it feeds power (12 volts) up the coaxial lead to the masthead amplifier. The UX4 has four outputs which can be used to feed signals to the main TV and to other (usually upstairs) TV sets. A Freeview receiver may be connected between the masthead amplifier and each or any TV set. If you connect an FM radio aerial you should use GLO28 UHF + RADIO or equivalent decombiner wall plates to separate the TV and Radio signals. The "FM" input can be used for an FM, DAB or VHF aerial, having a frequency range of 85 - 230 MHz. IMPORTANT For best results use double-screened coaxial cable such as that on page 8 of our catalogue. Ordinary TV cable will work but it may radiate or let in interference and results can't be guaranteed. Make sure that the coaxial cable between TV1 and the PSU has good connections at each end. Before powering up, check to ensure that it is not short-circuit or open-circuit. This can be done quite easily with a meter or with a battery, a bulb and a few lengths of wire. Technical Information FM frequency range: 88 - 108 MHz UHF frequency range 470 - 860 MHz Gain: 10 dB per output Noise Max: FM 3 dB, UHF 4 dB Isolation between outputs > 20 dB Max output: 92 dBµV PS1200 power supply Mains input: 230v AC +/- 10% at 50 Hz Line output: 12v DC +/- 10% at 60 ma max. Negative earth. Insertion loss: < 1.0 dB (46 - 1000 MHz) Ordering Find UXF4 on page11c of our on-line catalogue. Send this page address - CLICK HERE - to a friend ! DOWNLOAD More information about masthead amplifies Windows users should "right click" a DOWNLOAD link above and choose "save target as" to save the PDF file without launching Acrobat Reader. If you "left click" then Acrobat Reader may launch and act as a "helper" for your browser, preventing the file from being saved in its original form. Mac Users should "ctrl-click" and select "save linked file as" (or similar). 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