日韩人妻αv一区二区三,性做久久久久久久久男女,国产精品免费午夜在线a,国产成人高清亚洲一区91

Welcome:Shanghai Zhicai Electronic Technology co., LTD
Language: Chinese ∷  English

Industry New

How to do the maintenance of outdoor LED display?

How to do the maintenance of outdoor LED display? In the outdoor, the environment, air humidity, weather are the main factors affecting the display. When installing the outdoor display, we must pay special attention to its ability to resist wind, earthquake and load. So that it can survive and run better outdoors. In addition to the preparations in the early stage, after the installation is completed, the daily maintenance work of the display screen is not sloppy. The specific maintenance precautions are as follows:

 1. The power supply is stable and the grounding protection is good.

 2. In the event of severe weather such as strong lightning or strong typhoon, the power should be cut off in time, and the power of the display should be turned on after the weather returns to normal.

 3. It is forbidden to enter the water inside the display. It is strictly forbidden to enter the screen with flammable materials and metal materials that are easy to conduct, so as to avoid short circuit and fire.

 4. If the display is flooded, immediately turn off the power and contact the service personnel until the display panel is dry.

 5. LED display switching sequence:

 Turn on: Turn on the control computer to enable it to operate normally before turning on the LED display.

 Off: Turn off the LED display before turning off the computer.

 6. The surface of the LED display screen should not be wiped directly with a damp cloth. It can be wiped with alcohol or dusted with a brush or vacuum cleaner.

 7. Use the LED screen at least once a week during the rainy season. Generally, the screen is turned on at least once a month, and it is lit for more than 2 hours.

 8. Regularly check the stability of the outdoor LED display support structure and the safety of the power supply cable. Damage should be dealt with in a timely manner.

 9. Do not forcibly cut off, and do not turn off and turn on the display power supply frequently to prevent the impact of inrush current. Avoid excessive current, excessive power supply, and damage to the LED die, which affects the life of the display. Do not arbitrarily disassemble and splicing the screen!

 10. LED display main control computer and other related equipment should be placed in air-conditioned, dusty room to ensure computer ventilation and heat dissipation and stable work.

 11. LED outdoor display internal wiring, requiring professional maintenance.

 12. Before entering the summer, check the cooling and cooling devices in the display, such as air conditioners and fans, to ensure that the display operates under the allowable temperature environment.


CONTACT US

Contact:Tony fang

Phone:13512118719

Tel:4008209320; 021-36411816

Email:Tony@sh-gren.com

Add:Shanghai,Baoshan,Changyi road 188th,202 Room

用手機掃描二維碼關(guān)閉
二維碼
男女午夜视频在线观看免费| 亚洲野外性爱片| 一级午夜a毛片免费视频| 人妻性奴隶精品一区91| 日韩精品福利片午夜免费观着| 久久99热只有频精品66| 人妻少妇精品视频一区二| 久久三级片一区二区毛片| 欧美日韩三级片在线观看| 精品久久久无码午夜福利| 欧美精品1区 2区 3区| 在线免费AV嗯嗯啊啊啊| 国产精品美女一区二区三区| 久久久久色国产精品一区| 日韩人妻一区二区三区av| 成人免费毛毛片久久影院| 美女黄禁区动视频在线看| 日韩av一区二区精品不卡| 亚洲欧美精品一区中文字幕| 艳mu1一6全集在线播放| 大香蕉手机在线免费视频| 久久久久无精品| 怡春院av一区二区蜜臀| 囯产香蕉97碰碰碰视频在线观看 | 欧美国产欧美在线免费观看 | 91潮喷福利姬在线观看| 成av人一区二区三区久久| 网友自拍区一区二区三区| 蜜桃婷婷狠狠久久综合9色| 麻豆E奶女教师国产精品| 欧美精品在线观看一区二区| 亚洲女人护士老师毛茸茸| 蜜臀久久av无码牛牛影视| 欧美和日韩在线不卡视频| 看片在线日本中文精品网| 好猛好深好爽喷水无码视频| 久久精品 亚洲精品无码| 99精品国产丝袜在线拍国语| 97天天摸天天爽天天碰| 久久热这里只有精品一区| 看AV毛片一区二区三区|