NEC MA Series 43" 4K Commercial Display with Media Player and Raspberry Pi Compute Module 4 SoC - Manual (Page 11)

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CAUTION
8
Incorrect usage of batteries can result in leaks or bursting.
• Insert batteries matching the (+) and (–) signs on each battery to the (+) and (–) signs of the
battery compartment.
• Do not mix battery brands.
• Do not combine new and old batteries. This can shorten battery life or cause liquid leakage of
batteries.
• Remove dead batteries immediately to prevent battery acid from leaking into the battery
compartment.
• Do not touch exposed battery acid, it may injure your skin.
• Disposal of a battery into fire or a hot oven, or mechanically crushing or cutting of a battery, can
result in an explosion.
• Leaving a battery in an extremely high temperature surrounding environment, or a battery subject
to extremely low air pressure, can result in an explosion or the leakage of flammable liquid or gas.
• Contact your dealer or local authorities when disposing of batteries.
9
Suitable for entertainment purposes at controlled luminous environments, to avoid disturbing
reflections from the screen.
10
When running the cooling fan continuously, we recommend wiping clean the ventilation holes a
minimum of once a month. Failure to do so could lead to fire or electric shock or damage to the
product.
11
To ensure the product’s reliability, please clean the ventilation holes at the rear side of the cabinet
at least once a year to remove dirt and dust. Failure to do so could lead to fire or electric shock or
damage to the product.
Power Cord Table
Plug Type North America
European
Continental
U.K. Chinese Japanese
Plug Shape
Region U.S.A./Canada EU U.K. China Japan
Voltage 120* 230 230 220 100
* Please use this power cord under 125 V power supply.
NOTEN: This product can only be serviced in the country where it was purchased.
Connecting to a TV* 1
• Cable distribution system should be grounded (earthed) in accordance with ANSI/NFPA 70, the National Electrical Code
(NEC), in particular Section 820.93, Grounding of Outer Conductive Shield of a Coaxial Cable.
• The screen of the coaxial cable is intended to be connected to earth in the building installation.
* 1 : The product you purchased may not have this feature.