Ac Power - TCL 55US57 User Manual

Connecting an AV receiver or digital sound bar
You can enjoy Dolby Digital multichannel sound from your TV if you connect a digital amplifier or sound
bar (not provided) in either of two ways:
Digital optical audio out (S/PDIF) – Connect a TOSLINK optical cable (not provided) from the TV
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to the Optical input on your receiver or sound bar.
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HDMI ARC – Connect an HDMI
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HDMI input on your receiver or sound bar. This connection uses the Audio Return Channel
(ARC) feature of the HDMI
To use this feature, you must configure the TV to enable HDMI
HDMI® ARC" on page 69.
Preparing for Internet connectivity
If you want to connect your TV to the Internet to watch streaming content, you can choose either a
wireless or a wired connection.
Wireless connection – To use a wireless connection, make sure you know the name (SSID) and
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password you use to connect to your wireless modem/router or wireless access point.
Wired connection – To use a wired connection, plug your Ethernet cable into the RJ-45 jack on
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the back of the TV. The wired connection supports both 10 and 100 Base-T Ethernet
For wireless operation, the TV connects through a built-in wireless LAN adapter. The TV does not
support the use of a USB network adapter.
Note: We recommend that your wireless connection support the IEEE 802.11ac specification
for the best experience.

AC power

Plug your TV into a power outlet. You can tell that the TV has power because the status light on the
front of the TV lights up.
"Status light" on page 28 explains how the status indicator shows what is happening with the TV.
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cable (not provided) from the HDMI (ARC) connector to the
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specification to output sound from the TV to a compatible device.
Page 9
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ARC, as explained in "Enabling