LCD splicing screen system installation and debugging construction technology safety manual
1. Power
Use a single-phase three-wire AC 220V power supply with protective grounding to ensure that the entire engineering system uses the same protective grounding. Do not use unprotected power supplies, and do not damage the ground pin of the power cord.
2. Turn off the power
When you need to move a device that needs to be powered off or other work, please turn off all power, including the power switch, unplug the power cord, etc., to ensure the safety of you and the device.
3. Cable
Do not press the power cord, signal line, communication line, etc., to avoid the cable being stepped on or squeezed to prevent leakage or short circuit.
4. Signal wire connection
When inserting or unplugging the signal cable from the device, you need to turn off the power of the device to avoid damage to the device. Damage caused by hot plugging is not covered by the warranty.
5. Cooling hole
There may be openings on the outer surface of the device for heat dissipation. Do not block these openings to avoid heat generation, damage to the equipment or fire.
6. Equipment placement
The equipment should be properly placed, such as standard racks, cabinets, cabinets, or placed on a stable horizontal work surface to prevent the equipment from falling.
7. Environment
The working environment of the equipment should be protected from dust and moisture, especially to prevent liquid from immersing and splashing into the inside of the equipment.
8. Maintenance
All maintenance work should be completed by professional maintenance personnel. Don't try to repair the equipment yourself without training. To prevent the risk of electric shock, do not open the case without authorization.
9. Safety precautions
9.1 The internal voltage of the equipment is high, non-professional maintenance personnel are not allowed to open the cabinet to avoid danger;
9.2 Do not let water droplets or splashes. It is strictly forbidden to put any container with liquid on the equipment;
9.3 In order to prevent fire, it is forbidden to approach the fire source;
9.4 After installation, do not block the heat dissipation holes of the machine to facilitate good heat dissipation;
9.5 If the equipment emits strange noise, smoke or odor, please unplug the power plug immediately and have it handled by professional maintenance personnel;
9.6 If there is lightning or will not be used for a long time, please unplug the power cord;
9.7 Do not insert any objects from the ventilation openings of the equipment to avoid damage or electric shock.
9.8 It is not recommended to place the device near water or other damp places;
9.9 It is not recommended to place the device near heat sinks or other high-temperature places;
9.10 Please arrange the power cord properly to avoid damage;
9.11 In the following cases, the power plug of this equipment should be unplugged and handled by professional maintenance personnel:
1) When the plug power cord is damaged or worn;
2) When liquid is splashed into the device;
3) When the device is dropped or the case is damaged;
4) When the equipment has obvious failures or performance changes.
9.12 When removing dust on the LCD screen, you must wipe it gently with a soft satin cloth. Do not use glass water or a damp cloth for cleaning, otherwise the LCD screen will be easily damaged.
This equipment is not suitable for non-professional operation and debugging. Users must receive professional training and guidance.

