Leyard TWF Series, Руководство пользователя, Страница: 4 / 76

LED Display Construction Acceptance
Specification
working temperature of the apparatus exceeds 40 ℃, it is necessary to use air
conditioning for ventilation and heat dissipation, so as to ensure the working
temperature range is consistent with the required value.
17.The apparatus should be connected to a power grid with a protective earth
connection;
18.Grounding conductor size1.5mm² ;
19.To prevent injury, this apparatus must be securely attached to the floor/wall in
accordance with the installation instructions.
20.When the input voltage is 110 VAC, it can be connected to 8 cabinets in cascade;
and when the input voltage is 220 VAC, it can be connected 16 cabinets in
cascade;
Warning
This is a class A product. In a domestic environment this product may cause radio
interference in which case the user may be required to take adequate measures.
Changes or modifications not expressly approved by the party responsible for
compliance could void the user’s authority to operate the equipment.
NOTE: This equipment has been tested and found to comply with the limits for a
Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are
designed to provide reasonable protection against harmful interference when the
equipment is operated in a commercial environment. This equipment generates, uses,
and can radiate radio frequency energy and, if not installed and used in accordance
with the instruction manual, may cause harmful interference to radio communications.
Operation of this equipment in a residential area is likely to cause harmful
interference in which case the user will be required to correct the interference at his
own expense.