How long has the projector been used?
Enter the overhead projector menu, with a projector inside, where you can see the use of projector light bulbs
Enter the projector menu, with a light bulb option, where you can see the time of the projector light bulb
Different projectors use different time to look at the bulb. For example, the projector can hold the panel directly. The arrow up button for more than 30 seconds, the bulb will jump out of use time.Some projector menu options, can view the projector bulb using time system settings, but if before meeting the outage situation during use, so the use of time will not be recorded, so it is not very accurate.Generally, the brightness of the projector bulb will gradually decrease with the increase of the use time, and choose the light bulb with good appearance and brightness.
