Posts tagged ‘Overhead’

Things to consider when selecting an overhead projector

From classroom sessions to business conferences, projectors are widely used for presentations. Even though using a digital overhead projector is easier than other projectors, choosing a particular overhead projector is a tough task. It’s even more difficult if you are buying a digital overhead projector for the first time. This blog post will help you make an informed buying decision.

The most important thing to do is to opt for an overhead projector from a reputed brand. When you buy a digital overhead projector from a world-class company you’ll get two benefits. The first advantage is that a product from a reputed brand offers reliable performance. Secondly, most of the leading companies provide excellent after-sale service to their customers.

If you are buying an overhead projector for your office conference room or college seminar hall, a stationary overhead projector is the one for you. On the other hand, if you want to use your digital overhead projector in different places, a portable overhead projector would be the right choice. You can carry a portable projector in a bag or suitcase comfortably.

Brightness, also known as lumen output of the overhead projector bulbs or overhead projector lamps, is another important aspect to be noted while purchasing a digital overhead projector. If you are going to use the projector in a dark room, then overhead projector bulbs with a higher amount of lumen output are required. But, if you’ll be using the overhead projector in a bright environment, lower intensity overhead projector lamps will do the job.

The basic structure of an overhead projector is called head assembly. There are singlet, doublet, and triplet head assemblies. Choose them according to the distance you need to project your images.

When it comes to open head or closed head overhead projectors, ,it’s better to choose a closed head overhead projector, as it is safer than an open head projector. This is because open head overhead projectors are more prone to physical damages than closed head overhead projectors.

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Overhead Projectors

Multimedia Projectors such as Overhead Projectors, LCD displays, audio-visual displays in multi-national organizations are mainly used for making presentations like projects plans, health programs, entertainment and education programs in front of a small or great amount of audience. Marketing firms make regular use of these equipments for drawing valuable clients.

Multimedia / Presentation Systems:

LCD Projectors

Overhead Projectors

DLP Projectors

Transparency Film

Screens / Flip Charts

Trollies / Mobile Stands

White / Notice Board

Laser Pointers

Certain problems can occur in the projection equipment such as, resolution problems, difficulties of displaying slides, boot-up problems etc. These problems can ring alarms of losing valuable clients if proper presentations are not done.

Multimedia equipment repair centers are present to handle any type of problem in any multimedia equipment. These centers offer the total after care solution, and ensure that you get the most when your machine is back working with the minimum of disruption.

Some well-known repair centers offer full repair and servicing facilities on all brands of LCD, video, home theatre projectors, which includes collection and delivery of your faulty equipment, a full diagnostics soak test, cleaning of equipment and a quote at an affordable rates which also includes delivery charges.

The repair centers can also diagnosis the fault of your multimedia system over the telephone and advise you the best course of action, either fix at home or send the projector in for repair, to inspect for minor faults or major faults which could take time and money for the repairs.

In addition to the current models, older models that have become obsolete from the market and the manufacturers can also be repaired by the repair centers that have huge inventory of both old and new parts.

There are very few repair centers for the multimedia and presentation equipments because many instruments are imported from different countries or the qualified engineers are called from Western countries.

One of the few repair centers of multimedia projectors, presentation equipments, engineering survey instruments is ‘Graceful Drawing & surveying’. This repair center deals in almost all kinds of survey instruments, for purchase of survey and presentation instruments, repairs and also updating in the hardware of the instruments, Having state of the art equipments to quickly diagnose and repair instruments and skillful and experienced working staff to give 100% quality service to not to let down customers’ immediate demands rental rates. GDS deals in the following sections of equipment.

Survey & GPS Systems:

Total Station

Theodolites

Automatic Levels

GPS/GIS Systems

Surveying Instruments

GPS Devices

Surveying Accessories

Instruments used in Surveys:

Aluminum Sextant

Anchor Clock

Antique Compass

Antique Magnifier

Antique Survey Instrument

Ball Watch

Binoculars

Brass Diver’s Helmet

Brass Nautical Lamp

Brass Sand Timer

Hand Kaleidoscope

Magnifying Glass

Marine Binocular

Marine Clock

Navigation Telescopes and Binocular

Nautical Lantern

Nautical Microscope

Nautical Mirror

Wooden Binocular

Office Equipment:

Office Products

Binding Machines

Paper Shredder

Ammonia Printing Mac

Note Counters

‘Graceful Drawing & Surveying’ also handles orders relating to electronic instruments, repair of Digital Cameras, laptop’s and other Commercial Electronic equipments.

GDS is a Presentation and Multimedia Projectors, Overhead Projectors, Laser Pointer sales and service company, Experts in all kind of electronic equipments. GDS helps upgrades in Survey Equipment, Fish Finders, adjustment of GPS

3M Overhead Projector Closed Head 2500 Lumens Enxlamp 3yr Warraty

  • Closed head protects lens from dust and fingerprints
  • 2,500 lumens of brightness
  • 11.5-inch focal length
  • 10-foot power cord
  • 3-year warranty

Product Description
When it’s a question of higher illumination, longer lamp life and a cost that fits your budget, the 3M Overhead Projector 1700 Series Models are the answer. As functional as it is affordable, the 3M Model 1720 features a closed singlet projection head for extra lens and mirror protection. The 3M Model 1720 keeps the focus on your message with 2,500 lumens of brightness!… More >>

3M Overhead Projector Closed Head 2500 Lumens Enxlamp 3yr Warraty

3M 9100 Overhead Projector

  • 2,800-lumen output
  • High/low intensity switch
  • Lamp changer for instant bulb replacement
  • Closed lens design for protection of lens and mirror
  • Cool stage keeps transparency film from curling

Amazon.com Product Description
The 3M 9100 overhead projector is easily portable and ready to go once you remove it from the box–there is nothing to be assembled. The post assembly that holds the projection head aloft is hinged against the body of the unit, and a loosening turn of a knob swings it into place. The body is well designed and made of a sufficiently durable grade and weight of plastic to make this model a good choice for heavy usage. Simple to use, one switch turns t… More >>

3M 9100 Overhead Projector

Vutec V1002 Educator II Overhead Projector

  • 2200 lumens
  • Heavy-duty 17 watt fan cooling motor
  • Double fresnel lens for uniform brightness and enhanced picture quality
  • High/Low switch for longer lamp life
  • 9 ¾” x 9 ¾” stage

Product Description
The Vutec V1002 is a user friendly overhead projector with a 360 degree swivel head for left and right handed users. It features a removable top cover for ease when changing lamps and is an open head unit…. More >>

Vutec V1002 Educator II Overhead Projector

How Do You Work On Old Fashion Overhead Projector?

I picked up an old fashion 3M overhead projector at an auction. I would like to show some of my old family photos on the wall with it at a family reunion as well as some old childhood drawings on construction paper that are done with crayon. Can you tell me how to run this machine so it shows up on a wall. Thanks!!

What Is The Best Overhead Projector For Home Use In A Room That Has Numerous Windows And A Lot Of Light?

I was considering a 61″ plasma, but will be sitting 17 feet from the unit, so now considering an overhead projector and a larger screen. I am told, however, that the projectors are light sensitive, and that I might be out of luck.

Is It Possible To Use An Overhead Projector For Arts And Crafts?

I have been given an Eiki overhead projector, model 3860 and I would like to draw a mural. Is this type of projector used with “transparencies” only. How may I use this? I have no experience with projectors.