Some disadvantages offered by an overhead projector
Apart from giving advantages, an overhead projector also gives you disadvantages because this unit also needs more maintenance and anything to make it work properly for your needs. The information about the disadvantages will help you to know more so that you can maintain it very well and you can prepare your budget to handle some problems related to this unit.
1. Resolution problem. This type of problem usually occurs when you use this drive for your needs. It means that it must be done so that it is at the perfect distance and angle so that the public can see the images clearly. If it happens simultaneously, it will increase the chances that the slides cannot be read, which could distract viewers. In this case, you can be sure that this unit is right for you or not.
2. Cost of bulb replacement. Bulb replacement is very important if you want to support the functions of this unit for your needs. In this case, you should know that these bulbs are expensive, so the replacement cost is actually higher. In this case, you must prepare the budget very well so that you can do it very well.
3. Transportation. This type of stuff is also another disadvantage provided by this unit. Due to the large size given, you will need the use of a trolley to transport it from one place to another, thus it will be a difficult problem for you. In fact, you can carry it with your hands, but it is too heavy to handle, so it is important that you use a trolley in the process of transportation.
4. Outdated technology. It is the next disadvantage that this unit gives. Nowadays, more presentations are made with the use of PowerPoint program because it is easy to create and does not need more cost.
