Zhengzhou Ledy Optical-Electrical Technology Co., Ltd.
Sharpness Adjust
Turn on the projector power, rotate the lens. When projection distance is long, shorten
the lens till image clear; While distance is short, lengthen the lens till image clear. And
the last, please fasten the lock nut to avoid loosening of lens.
Maintenance & Attention
1. Please read the installation instructions carefully before use, and operate in strict
accordance with this manual sheet.
2. Because of the high calorific value when projector works, it cannot be installed in
flammable explosive place, or the place that can be touched, in order to avoid
accident. If you want to install where can touch easily, need to add partition or
warning board.
3. Please ensure that all maintenance work is under the condition of power off.
4. Please clean lens and gobo regularly.
5. Please regularly check the products operation condition(3 months suggested), in
order to avoid safety accident caused by the product problems.
6. This projector can be used indoor or outdoor, but not in the place such as vibration,
dust, moisture, mist, to avoid causing fire, electric shock, malfunction.
7. Please do not modify or replace the non-consumable parts voluntarily.
8. When projector is abnormal, please cut off the power supply immediately. Please
ask professional staff to check and maintain, to avoid fire, falling and hurt.
9. The power line color:
red
– firing line, blue(black) – zero line, yellow – ground line.
10. For waterproof model, please pay attention to the front lens cover when you put it
back to projector, all the screws must be tightened, make sure there is no gap
between the gasket, the front cover and the projector shell, as shown in below
figure.