BOXLIGHT ProColor 551, Service Manual

Page: 4 / 44

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4
Safety Considerations
The AC power supplied to the display is potentially dangerous. It is necessary that the main
power be unplugged when servicing the display. It is also recommended that all external
cables be disconnected as they too can be a source of potentially dangerous voltages.
Recommendations:
• Always plug the display into a grounded AC outlet
• Disconnect the main AC power Before servicing the display
• Keep all liquids away from the display
• Do not connect or disconnect cables while the display is on
• Do not remove or install any modules while the display is on
• Do not connect or disconnect any cables or use the displaywhen lightning is present.
• Please disconnect the power cable, remote communication system, network, modem,
and other devices before opening the screen, unless otherwise specified in the instal-
lation and configuration process
• Disconnect all cables if the display is to be installed, uninstalled, moved or opened