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Digital imaging or digital image acquisition is the creation of a digital representation of the visual characteristics of an object, such as a physical scene or the interior structure of an object. The term is often assumed to imply or include the processing, compression, storage, printing and display of such images. A key advantage of a digital image, versus an analog image such as a film photograph, is the ability to digitally propagate copies of the original subject indefinitely without any loss of image quality.
Digital imaging can be classified by the type of electromagnetic radiation or other waves whose variable attenuation, as they pass through or reflect off objects, conveys the information that constitutes the image. In all classes of digital imaging, the information is converted by image sensors into digital signals that are processed by a computer and made output as a visible-light image. For example, the medium of visible light allows digital photography (including digital videography) with various kinds of digital cameras (including digital video cameras). X-rays allow digital X-ray imaging (digital radiography, fluoroscopy, and CT), and gamma rays allow digital gamma ray imaging (digital scintigraphy, SPECT, and PET). Sound allows ultrasonography (such as medical ultrasonography) and sonar, and radio waves allow radar. Digital imaging lends itself well to image analysis by software, as well as to image editing (including image manipulation).

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  1. S

    Faulty Aqualisa Quartz Digital Diverter

    Hi, I thought I'd share my experience of dealing with Aqualisa about their Quartz Digital Diverter. When selecting the slider rail handset the water would also constantly drip \ stream water from the overhead rain head. When selecting the rain head the pressure was very reduced and the water...
  2. K

    Grohe f digital shower override safe stop to get hotter shower

    hi anyone got info they can send me on th override as it keeps cutting out sometimes when you try get it hotter
  3. J

    Mira digital shower install

    Hi guys , I want to install a Mira digital shower, Gravity fed system I have the correct shower, my cylinder is downstairs but I currently have an old type electric shower HOT and COLD fed from the loft on isolators . there's limited space in the attic to get to the tank but it looks like the...
  4. E

    I want to replace a Danfoss T6360B with Digital One?

    How to replace an old Danfoss T6360B manual thermostat with a digital one suggestions please?
  5. stings27

    Digital manometer. B

    Hi all. Probably should have posted in tools , but who has one ? Was thinking of investing but I’m still a little ‘ old school’
  6. J

    Problems with digital shower, general advice needed

    Firstly , apologies if this is inappropriate. I'm really not sure what questions I should be asking. I had a bathroom refit done around 7.5 years ago, including a digital shower. It's been great, but recently has really started playing up - the controls to raise or lower the temp seem to make...
  7. S

    Why do my Crosswater digital showers cut out?

    We have 2 Crosswater digital showers with a duo water control system. Last Autumn, one of them started cutting out at the start of a shower 2 or 3 times before finally working ok. It then seemed to correct itself over the winter. However this has now recommenced. Also during the last 2 weeks...
  8. B

    Is a digital shower necessary

    Just moved into a place with a really weak shower. The boiler is two or three years old - Viessman Vitodens 100. I assumed it was a combi boiler (in these turbulent times we had to put an offer on the house after one short viewing) but it feeds a hot water tank upstairs, it's run on a Potterton...
  9. N

    Digital or electric shower

    I need advice on whether I should get a digital or electric shower. The water pressure in my flat is very poor for the shower (gravity fed water system, heated via HIU, on a district heating system), I’m on the 3rd floor (top floor) so it’s to be expected. I know an electric shower would boost...
  10. Mckennzie

    Hi has anyone got a digital copy of the level 2 portfolio criteria?

    I'm in the process of finishing my level 2 course and want to get started on my portfolio but after asking my theory teacher many times he has still not provided it
  11. D

    Neomitis digital thermostat dead

    The thermostat is not showing a display even after new batteries are inserted. I've tried poutting the batteries in for five secs in reverse polarity as suggested online. Nothing. Heating does not come on unless I press the Override button, on the wall-mounted display by the boiler. Does the...
  12. S

    Digital shower advice

    Well first of many posts I think, I'm currently in the middle of doing a barn conversion for myself and am now starting the bathrooms, I have not yet got any sort of boiler etc so I'm hoping pressures won't be a problem. I'm installing a wet room and wanting to fit a fancy shower, I have...
  13. T

    Cylinder pipe work to digital shower

    The Mrs bought me a digital shower (Mira Platinum- Gravity Fed) for my birthday. Obviously it was for her really. https://www.screwfix.com/p/mira-platinum-gravity-pumped-rear-fed-single-outlet-black-chrome-thermostatic-wireless-digital-mixer-shower/260hr The problem is we live out in sticks in...
  14. T

    Triton Digital Shower - airlock

    Hi new member and first post. I've just installed a Triton Home digital shower (low pressure version twin outlet). Having ran the commissioning mode for several minutes I then turned the shower on but am getting hardly any water coming out the shower heads. Flow rate into the pump is c 6ltrs /...
  15. J

    URGENT Mira Magna pumped digital mixer ,Only Hot Water coming out

    Mira Magna pumped digital mixer ,Only Hot Water coming out
  16. L

    Aqualisa Aquastream digital showers

    I have an Aqualisa Aquastream shower with a start/stop/divert button and a boost button. Recently these controls not working and sometimes pressing boost button starts the shower. What is the problem?
  17. A

    T6360 to digital thermostatTHR840D

    I am replacing my old T6360 for a digital one. However there are two sets of cables wired to the old thermostat. In the past I have only seen one live an neutral. On my new Honeywell THR840 I have terminal A - B - C I have wired them as per image inside casing for the new digital thermostat -...
  18. G

    Aqualisa Rise Digital Shower - temperature issues

    Last week, the hot water ran low (we don't have a combi boiler) when I was in the shower and the temperature dipped. Since then, the temperature of the water will not go above that level. The hot water is fine everywhere else including another shower. I turned the processor off for a few...
  19. M

    Digital and electric shower solutions

    Hello all I'd like to have a digital shower but to warm the water up electrically. Is there a solution? Or digital showers work only with a combi boiler? Thanks
  20. S

    Mira digital shower with gravity fed hot water system.

    Hi, I’ve been to quote for an en-suite for a customer and they like the idea of these digital showers . I’ve not fitted many of these digital showers and when I have it’s only been on unvented systems. Was wondering is the pressure and flow good on the digital showers ? I know you can get...
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