NEC E558 55" Class 4K UHD Commercial LED TV - Manual (Page 15)

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4. Connect the supplied power cord
NOTEN: • Make sure that enough power is supplied to the monitor. Refer to “Power Supply” in the specification.
• Connect the power cord to the monitor before plugging it into the power outlet.
1. Connect one extremity of the power cord to the power input terminal of the monitor.
Plug it completely inside.
CAUTIONN: Please refer to “CAUTION 1” and “CAUTION 2” .
2. Connect the power plug to an AC power outlet.
Clamp
ARNINNN: Please refer to “WARNING 4” , “WARNING 5” , “WARNING 6” , and “WARNING 7” .
NOTEN: The monitor should be installed close to an easily accessible power outlet.
5. Cable information
CAUTIONN: Use the provided specified cables with this product so as not to interfere with radio and television reception.
For mini D-Sub 15-pin and USB, use shielded signal cables with ferrite core.
For the HDMI and AV cables, use shielded signal cables.
The use of other types of cables and adapters may cause reception problems.
6. Turn the power button on
Switch on the monitor power before turning the computer or external equipment on.
7. Operate the connected external equipment
Select the input source for the monitor to display the video from the external equipment on the screen.
8. Adjust the sound
Make volume adjustments when required.