The self-maintenance and common problems for the document camera
The self-maintenance and common problems for the document camera
1.don't put the document camera on the unstable table or cart.
2.Please use the three-pin power outlet for safety.
3.Please do not dissemble the document camera if you are not a technician.
4.Any liquid is prohibited entering the document camera.
5.Keep away from sources of heat.
6.before we move the document camera,please unplug the power cord,and fold the arm lamp
7.Making the camera face the bright light is prohibited
8.Moving the document camera from higher temperature condition to lower temperature condition,and using it promptly is prohibited.
9.Putting heavy objects on the document camera is prohibited.
10.When we clean the document camera,we should cut off the power,and use damp soft cloth for cleaning,avoiding using acidic or alkaline.
11.Any sharp objects touching the camera lens are prohibited.
12.The operating current should not exceed 500 mA.
13.Opening and closing the power frequently is prohibited, in order to avoid shortening the life of camera.
Common problems and solutions
Problem: no image on the monitor
Solution: checking the connection of AV cable is correct or not,checking the input is correct or not.
Problem: the remote control doesn't work normally
Solution: checking there is obstacle between the document camera and remote control,checking the battery of the remote control is used up or not.
Problem: there is no volume for the microphone.
Solution: checking the AV cable connects correctly,the microphone can work normally or not.
Problem: the light is not bright.
Solution: checking the power connection is correct or not,checking the lamp is damaged or not.
Automatic hair curlers have replaced the conventional curling irons. An automatic Hair Curler is an advanced curling iron that uses motors that wraps your around ceramic rod, and the ceramic rod will instantly heat your hair for long-lasting curls. Automatic Curler,Automatic Hair Curler,Electric Hair Curler,Automatic Curling Iron Ningbo Meirou Electric Appliance Co.,Ltd. , https://www.mrairblower.com
There are so many hair curlers available with different features and prices. Selecting the best is difficult, so to help you with that problem.