var kw=new Array(); _3_slot_system=0; kw[0] = "Panasonics commercial plasma screens use a 3 slot system of connectivity to give the maximum in flexibility. Options are as follows:







































Model Description Slot 1(D/A) Slot 2(D/A) Slot 3(A)
TY-42TM6T SCART * 1 YES YES NO
TY-42TM6V Composite/S-Video YES YES NO
TY-42TM6Z RGB Component YES YES YES
TY-42TM6H Analogue tuner YES NO NO




Note that fitting the tuner card (in conjunction with the analogue tuner) disables other inputs. D/A = Digital and Analogue, A = Analogue."; _3d_reform=1; kw[1] = "Angled projection ability lets you place the projector anywhere you like. A newly developed NEC chip provides the 3D Reform function, a keystone correction feature that corrects trapezoidal distortions -something which was beyond the capabilities of traditional \"up-down-left-right\" correction functions. The result is vivid, razor-sharp image projection. If the projection is distorted, simply set the four corners of the screen to activate the keystone correction function and square the picture. This allows greater freedom in setting up the projector, because it can now be set up at an angle in relation to the screen. The projector no longer needs to be placed right in front of the screen where it can block the audience's view of the screen.

40 °vertical and 30 °horizontal (25 °for the LT240. 27°for the MT1065/1060 ) from the angle of projection.
"; _amplifier=2; kw[2] = "Specifies whether - and if so how powerful - the plasma screens built in amplifier is."; _ansi_lumens=3; kw[3] = "This is the measure of light output from a projector. Care should be taken here when choosing which model is right for you. It's not a case of the brighter the better. For home cinema, you should bear in mind that you'll normally be sitting in subdued lighting to get the cinema ambience, which is why most home cinema projectors are 1000 ANSI Lumens or less. If you're giving a presentation to 10 people on a 6ft. screen then a 3000 ANSI Lumen projector will be too bright to look at. As a rule of thumb, for 1-10 people 1500-2000 lumens should be fine, for 10-25 2000-2500 ANSI Lumens although ambient light and the screen you are using will make a difference.

See our articles section for more information."; _apochromatic=4; kw[4] = "Apochromatic means “free from chromatic and spherical aberration”, and is said especially of a lens in which rays of three or more colours (typically R, G and B) are brought to the same focus. As normal lenses focus different wavelengths of light (ie. the different colours in an image) differently, the Action! series uses apochromatic lenses to ensure all colours in the image are focused at the same plane. This again ensures perfect display of details, and perfectly focused images down to sub-pixel level – it is for instance easy to show single pixel mirrors in a focused image, with the hinge clearly showing in the middle. Apochromatic lens designs thus improve contrast and sharpness by not letting the light scatter around on the projection screen, and do not discolour projected images."; _aspect_ratio=5; kw[5] = "The aspect ratio of a projector is the ratio of the number of horizontal pixels to the number of vertical pixels. So, a projector with a resolution of 1024*768 has an aspect ratio of 1.333:1 (or 4:3). Common aspect ratios are 16:9 for home cinema and 4:3 and 16:10 for business presentations, the latter matching most modern laptop and PC monitor aspect ratios."; _audio=6; kw[6] = "This is where we describe the built in audio features of the projector. You should note that most projectors come with very small built in speakers and you should make alternative arrangements if you are presenting to a number of people or use an amplifier and seperate speakers for home cinema."; _audio_in=7; kw[7] = "The number of audio inputs fitted to the projector. Note that some projectors - usually home cinema - have no audio facilities and rely on a seperate system being used if audio is required."; _audio_out=8; kw[8] = "A re-drive to take audio from the projector to an external amplifier and speakers."; _brightness=9; kw[9] = "The light output of the screen measured in candela's per square meter (to make comparison easier).

The candela is the luminous intensity, in a given direction, of a source that emits monochromatic radiation of frequency 540 x 1012 hertz and that has a radiant intensity in that direction of 1/683 watt per steradian.

A brightness of 400 or better is desirable."; _category=10; kw[10] = "In order to make selecting a projector as easy as possible one of our divisions is categorising by portability. The categories are as follows:

Sub-micro Projectors: Projectors less than 2kg.
Micro Projectors: Projectors between 2 - 3kg.
Portable Projectors: Projectors between 3-5kg.
Desktop Projectors: Projectors between 5-12kg.
Installation Projectors: Projectors greater than 12kg.
Home cinema projectors have their own category."; _colours=11; kw[11] = "This is the number of colours (expressed in millions) then the unit is capable of displaying. It's worth noting that all plasma screens are capable of displaying far more discrete colours than the human eye can detect."; _component=12; kw[12] = "Delivers the best quality analogue video image as it contains all the origional components of the image as opposed to the compression used in composite and s-video.

The socket marked Y carries a black and white picture, R-Y (sometimes marked Pb) the red element and B-Y (sometimes marked Pr) the blue element. Green is extracted by taking the red and blue elements from Y and whatever is left is green.



"; _composite=13; kw[13] = "Composite is - as the name suggests - a combination of the luminance and chrominance elements of a video signal into one wire.

Composite is sometimes referred to as CVBS which is an acronym for \"Colour, Video, Blank and Sync\", \"Composite Video Baseband Signal\", \"Composite Video Burst Signal\" or \"Composite Video with Burst and Sync\".

With projection and large screen systems composite should be used as a last resort as other standards (S-Video, RGB, component) give a significantly better signal to noise ratio.


"; _computer_inputs=14; kw[14] = "These are the interface sockets generally used to connect computer equipment. There are 3 varieties in common use:

15 pin d-sub: This is the socket the vast majority of computers use and comprise a 'D' shaped socket with 15 pin sockets.

BNC Component (sometimes called RGBHV): This comprises of 5 Bayonet sockets, 1 each for red, green and blue and 1 each for horizontal and vertical sync.

DVI: Digital Video Interface. This type of socket allow a direct digital input to the unit, without the conversion from digital to analogue and back to digital that the other connectors require. Note that to use DVI your computer must have a DVI output."; _computer_resolutions=15; kw[15] = "Listed here are the resolutions that the projector can scale to its native resolution. If possible set your computer resolution to match that of the projector. See our FAQ for details on how."; _computers=16; kw[16] = "This shows the resolutions that the unit is capable of producing either natively or with scaling.

The common ones are:

SVGA: 800 columns by 600 lines.
XGA: 1024 columns by 768 lines.
SXGA: 1280 columns by 1024 lines.
"; _contrast=17; kw[17] = "This is the ratio of the difference between a projected white image and a projected black image. Particularly for video use, the higher the better as - in real terms - it defines a plasma screens ability to render shades of colour. A low contrast ratio means that black appears grey and shades of grey become difficult to differentiate."; _contrast_ratio=18; kw[18] = "This is the ratio of the difference between a projected white image and a projected black image. Particularly for video use, the higher the better.

When comparing contrast ratio's bear in mind the projection system. DLP machines will generally have a higher contrast ratio than LCD but they are not usually as accurate in their colour rendition."; _control_terminals=19; kw[19] = "The majority of AV equipment can be controlled either by remote or via control consoles designed to create displays made of up several display sources and destinations."; _diagonal=20; kw[20] = "The measurement in inches from one corner of the screen to the diagaonally opposite angle"; _dimensions=21; kw[21] = "The size of the unit exluding protrusions such as lens, feet and connectors."; _dual_screen_display=22; kw[22] = "Splits the screen in two so you can watch two different sources."; _dvi=23; kw[23] = "Digital Visual Interface. A standard created by the Digital Display Working Group (DDWG) to enable analogue and digital display devices to be used with a single connection cable and to allow the video signals to be sent to the display device digitally. By transmitting the signal digitally there is none of the quality degradation associated with the analog to digital and back again conversion. So, if you have a source device with DVI and a display with DVI then everything can remain within the digital realm. If the DVI socket it HDCP enabled then the projector can accept high definition digital sources.

\"DVI
"; _eco_mode_lumens=24; kw[24] = "Most projectors have a \"low power\" mode which reduces lamp output, power consumption and usually fan noise. This figure is the manufacturers quoted output in low power mode."; _hdmi=25; kw[25] = "High-Definition Multimedia Interface. A new standard for video interfacing supported by Pioneer, Hitachi, Matsushita Electric Industrial (Panasonic), Philips, Sony, Thomson (RCA), Toshiba, and Silicon Image. It has a bandwidth of upto 5Gbs which means it can easily support all current HDTV standards. HDMI is backwards compatible with DVI.

\"HDMI
"; _hdready=26; kw[26] = "In order for a display to be HDReady and carry the HDReady logo it must be able to display a 720p and 1080i signal at 50 or 60Hz through a digital input (DVI or HDMI) with HDCP at a native 720 lines of resolution in a wide aspect ratio."; _hdtv=27; kw[27] = "(High Definition Television)

Standard television works at either 525 or 625 transmitted lines of resolution. To give time for the electronic beam to reset iteself in a CRT television, 45 of these lines are transmitted empty. This is where we get the term 480i (interlaced). The interlacing means that only half the image is transmitted at one time, i.e. first lines 1,3,5,7 etc. are transmitted then lines 2,4,6,8 etc. This looks fine on a standard size television but it's deficiencies show up on larger screens where smooth lines become jagged because the lines are slightly out of step.

There are two possible solutions to this problem, which can be used seperately or together. Firstly the signal can be transmitted progressively i.e. lines 1,2,3,4,5 etc. which is where you get 480p or you can increase the number of scan lines i.e. 720,1080 or both so we get 480i (standard), 480p (progressive), 576i and p, 720p, 1080i and 1080p."; _horizontal_frequency=28; kw[28] = "The frequency, expressed in kHz (thousands of times per second), at which the horizontal deflection circuit operates. This roughly translates to the number of scanlines displayed in one second."; _image_size=29; kw[29] = "This is the diagonal screen size range the projector is capable of in inches."; _interchageable=30; kw[30] = "A number of the projectors Ivojo supply can take interchangeable lenses, ranging from extreme short to extreme long throw. Scroll down the page to see a list of lenses to fit this projector."; _keystone=31; kw[31] = "If the projector is not perpendicular to the screen then you will see the keystone effect where the image appears to be trapezoid shaped. Keystone corection allows you to correct for this problem by \"squaring up\" the image. The figure we show is the number of degrees out of perpendicular that the keystone correction can compensate for."; _keystone_correction=32; kw[32] = "If the projector is not perpendicular to the screen then you will see the keystone effect where the image appears to be trapezoid shaped. Keystone corection allows you to correct for this problem by \"squaring up\" the image. The figure we show is the number of degrees out of perpendicular that the keystone correction can compensate for. Note that this will have a detrimental effect on the image so should only be used in the absence of other options."; _lamp=33; kw[33] = "The type of lamp is rarely a consideration in choosing a projector however the lamp life almost always is. Note that typical figures are quoted which means the manufacturer has tested the lamp under optimal conditions in order to quote a figure but you may not get this length of life. Most manufacturers warranty the lamp for only 90 days after date of purchase (the exception being NEC with 180 days). This is because there are many factors which can affect the life of a lamp including heat, dust in the air and how often the filters are cleaned."; _lens=34; kw[34] = "Details of the lens fitted to the projector. If this field says \"No\" then the projector takes interchangeable lenses, which are listed lower down the page."; _lens_shift=35; kw[35] = "Projectors fitted with this facility allow you physically move the lens either up and down or side to side (or both) in relation to the LCD or DLP panel, correcting for keystone.

Keystone is the trapezoid effect you'll notice if the projector is not correctly aligned with the screen."; _monitor_out=36; kw[36] = "This is sometimes referred to as monitor redrive and allows you to plug a montitor or additional projector into an output port on the projector. "; _mouse=37; kw[37] = "Here we describe the connection type for projectors with mouse emulation remotes. With modern projectors you can usually connect via either USB or PS/2."; _mtbf=38; kw[38] = "Mean Time Before Failure"; _network_ready=39; kw[39] = "Network Ready projectors are those which can be connected to a network for control, reporting and diagnosis. For example, an installed projector with this feature can be switched on and off, inputs selected and can report lamp life etc.

Some projectors allow you to view presentations via the network.

See the projectors downloadable PDF for further details."; _noise=40; kw[40] = "This is the noise level of the projector (mostly the fan) quoted in decibels."; _picture_in_picture=41; kw[41] = "View a different source in the bottom right hand corner or the screen in addition to the main image."; _pixel_pitch=42; kw[42] = "The size of each pixel, the sum of which make up the display. Quoted either as one figure (in which case the pixel is square) or as two (width * height)"; _plasma_audio=43; kw[43] = "All plasma screens have either built in or optional audio factilities. Audio can be input either via RCA (phono) or 3.5mm minijacks to the plasma."; _plasma_computers=44; kw[44] = "This shows the resolutions that the unit is capable of producing either natively or with scaling.

The common ones are:

SVGA: 800 columns by 600 lines.
XGA: 1024 columns by 768 lines.
SXGA: 1280 columns by 1024 lines.

Many plasma screens do not use standard resolutions (which are based on a 4:3 aspect ratio) because they are 16:9 aspect ratio. Using scaling the plasma screen can emulate 4:3 resolutions."; _plasma_resolution=45; kw[45] = "This is the native resolution of the plasma screen measured in columns * lines."; _power_consumption=46; kw[46] = "This shows the amount of power the screen uses when it is switched on."; _power_supply=47; kw[47] = "Most presentation equipment can be used with any electrical supply in the world, however there are a few that will only work in specific countries (to deter gray importing) so you should check this if you are taking your equipment abroad."; _projector_chart_screens=48; kw[48] = "Use the drop down list to select from the projection screens on this site. Once you have selected a screen the minimum and maximum throw distance will be displayed to the right along with the Foot Laberts of this projector and screen combination."; _projector_graph=49; kw[49] = "Click on the graph to display our throw distance chart and tables. You will also be able to select from any of the projection screens Ivojo sells to see the throw distance for this projector."; _real_black_drive=50; kw[50] = "Pre-discharge emissions illuminate black pixels on most plasma screens which effects black levels and contrast ratio. Panasonic plasma screens have greatly reduced pre-discharge emissions (typically cut from 12 to 1) which makes blacks \"blacker\" and helps achieve the ultra high contrast ratio."; _remote=51; kw[51] = "Most modern projectors come with some form of remote control. This is where we describe the features. Remotes break down into 3 categories:

Projector only: This allows you to control only the projector iteself e.g. switching sources, power on/off etc.

Mouse Emulation: This allows you to control the mouse functions of the computer from the projector remote.

Laser pointer: This adds a laser pointer to the remote allowing you to point out items of interest on the projected image."; _remote_control=52; kw[52] = "All the projectors Ivojo supply ship with remote control. Functions of the remote can vary from just controlling the projector, to mouse emulation and laser pointer."; _resolution=53; kw[53] = "Resolution is the number of pixels or elements that make up the image from a projector. The common ones for business projectors - which have a 4:3 aspect ratio are:

SVGA: 800 columns by 600 lines.
XGA: 1024 columns by 768 lines.
SXGA: 1280 columns by 1024 lines.
SXGA+: 1400*1050

If you are thinking of purchasing a projector to use with a laptop or PC then it's always best to try to match the projector resolution to the PC's resolution.

Home cinema projector are generally 16:9 aspect ratio and we quote the resolution as video with the actual figures in brackets.

The figure we quote under Resolution is native to the projector. Under Computers you'll find the other resolutions supported by each projector."; _rgbhv_15pin_hd=54; kw[54] = "This is the traditional 15-pin plug used for computer or RGBHV component. Projectors fitted with this socket can be connected to a similarly equipped computer or laptop using a standard monitor cable.
\"VGA"; _rgbhv_bncrca=55; kw[55] = "Red, Green, Blue, Horizontal Sync and Vertical Sync over BNC or RCA connectors. Allows the connection of a completely separated component signal. Is interchangeable with the 15-pin dsub in that a cable with a 15 pin plug on one end and 5 BNC/RCA plugs on the other can be used to connect the appropriate equipment.
\"RGBHV"; _rs232=56; kw[56] = "Used for diagnosis, firmware upgrades and external control."; _svideo=57; kw[57] = "An abbreviation of Separate Video and marked or referred to as Y/C. Carries and 480 or 576 interlaced signal separated into {glossary_luminance|Luminance (Y)} and {glossary_chroma|Chrominance (C)}.

The luminance part of the signal is the image in greyscale (which is why we can sometimes see a black and white image with SCART to S-Video cables) while the chrominance signal carries the colour information.

S-Video will give a noticeably better image than composite but its quality does not match RGB, component or digital signals.



"; _screen_area=58; kw[58] = "The width, height and area of viewable screen."; _sdi=59; kw[59] = "Serial Digital Interface. An interface designed to keep the video signal path digital from source to destination, so eliminating the loses associated with converting digital to analogue and back normally associated with analogue interfaces."; _speakers=60; kw[60] = "The majority of plasma screens have speakers as an optional extra. This field shows whether there are built in speakers or they may be purchased seperately.

For most home cinema installations speakers are not required on the screen itself as they are unsuiatble for surround systems."; _system=61; kw[61] = "Modern projectors generally use one of 2 projection systems:

LCD (Liquid Crystal Display) : Current LCD projectors use a combination of 3 (one for red,green and blue) LCD screens. Pixels are displayed by either opening elements (pixels) on each screen - so letting light shine through - of closing them, blocking off the light.

DLP (Digital Light Processing): Sometimes known as DMD (Digital Micromirror Device). In DLP projectors, a mirror with thousands of elements (pixels) is used to create the image. Each mirror element can be rotated to allow either light to be reflected towards the lens (switching the pixel on) or away from it (switching the pixel off). A colour wheel comprising of red, green, blue and sometimes white filters sits between the lamp and the DLP chip and a combination of the spinning colour wheel and position of the mirror elements gives the colour picture.

D-ILA (Direct-drive Image Light Amplifier): A technology developed by JVC which enables a larger fill factor than LCD, more accurate colour rendition, deeper black level and higher contrast ratio."; _throw_distance=62; kw[62] = "This is the minimum and maximum distance from the front of the projection lens to the screen."; _usb=63; kw[63] = "A USB port fitted to a projector is usually used to allow a mouse emulation remote to work. It may also be used by service engineers or it may allow you to download you presentations to a USB memory stick and do you presentation without a PC. If the last is the case then the projector will have \"PC Free Presentations\" in the key features list."; _vertical_frequency=64; kw[64] = "The number of fields (on an interlaced display) or frames (on a non-interlaced display) that are displayed in one second. A field or frame covers the entire screen area. This is measured in Hz (cycles per second). "; _vesa_m1=65; kw[65] = "Display Interface System developed by the Video Electronics Standards Association (VESA) for digital displays. A fully wired connector can carry DVI, VGA, USB and Firewire although most projectors with an M1 connector are not fully wired."; _video=66; kw[66] = "This shows the video compatibility of the unit.

NTSC: (National Television Standards Commission) The broadcast standard used in the United States. Resolution is 720 * 480, Horiziontal frequency is 15.735kHz, vertical frequency is 60Hz.

PAL: (Phase Alternating Line) Broadcast standard used used in the UK and other parts of Europe. Resolution is 720 * 576, Horizontal frequency is 15.625kHz, vertical frequency is 50Hz.

SECAM: (Sequential Couleur Avec Memoire) Broadcast standard in France and other European countries. Resolution is 720 * 576, Horizontal frequency is 15.625kHz, vertical frequency is 50Hz."; _video_inputs=67; kw[67] = "These are the interface sockets generally used to connect video sources (DVD, VCR etc.) to your unit. There are three types in common use:

Composite: Usually a phono (RCA) socket.
S-Video: 4 pin mini DIN, better quality than composite because it seperates the chrominance and luminance signals.
RGB: 3 * RCA or BNC unsually marked RGB. The primary colours red, green and blue are sent seperately down the three cables negating the need for combination and compression with their inherent signal degradation.
Component: 3 RCA or BNC marked YPbPr or YCbCr. The Y component carries the complete black and white information for the picture Pb and Pr carry the blue and red colour difference, from which the green can be derived. Picture quality is comprable to RGB."; _weight=68; kw[68] = "The weight of the unit excluding cables and accessories.";