TCL Roku UP120 User Manual page 76

When f inished, t he T V d isplays a l ist o f C EC d evices t hat a re c onnected t o e ach H DMI
any d evices t hat h ad p reviously b een c onnected. T he T V r emembers t he n ames o f m ultiple C EC d evices
even w hen t hey a re n o l onger c onnected. I f t he l ist i s l onger t han t he a llowed s pace, p ress Þ t o s ee a
complete l ist i n a s crollable w indow.
®
Enabling HDMI ARC
®
HDMI A RC i s t he a udio r eturn c hannel t hat i s a vailable o n o ne o f t he T V's H DMI
channel e nables y ou t o s end a D olby D igital a udio s ignal b ack t o a h ome t heater r eceiver t hat i s a lso
sending a n a udio a nd v ideo s ignal i nto t he T V. U sing H DMI
and o ptionally l ets y ou c ontrol t he v olume a nd m ute s tate o f t he r eceiver b y e nabling s ystem a udio
control.
®
HDMI A RC i s d isabled b y d efault. T o e nable H DMI
> S ystem > C ontrol o ther d evices ( CEC), a nd t hen h ighlight H DMI A RC. P ress O K t o e nable o r d isable t he
feature.
Note: E nabling H DMI A RC a lso e nables S ystem a udio c ontrol. A fter e nabling H DMI A RC, y ou c an
disable S ystem a udio c ontrol i f y ou p refer.
Enabling system audio control
System a udio c ontrol e nables t he T V r emote c ontrol t o c hange t he v olume a nd m ute s tate o f a n
amplifier o r s ound b ar c onnected t hrough H DMI
status i n t he T V's o n-­‐screen d isplay.
The T V a utomatically t urns o ff i ts i nternal s peakers a nd s ends v olume a nd m ute c ontrol s ignals t o a n
external a mplifier w hen a ll o f t he f ollowing a re t rue:
• System a udio c ontrol i s e nabled o n t he T V.
• The T V i s c onnected t o a C EC-­‐compatible a mplifier, i t i s p owered o n, a nd C EC d iscoverability i s
enabled.
• The C EC-­‐compatible a mplifier's H DMI
connector w ith a s uitable H DMI
When t he C EC-­‐compatible a mplifier i s o ff, t he T V a utomatically t urns o n i ts s peakers ( unless y ou h ave
turned t hem o ff a s d escribed i n "
volume a nd m ute s tate.
To e nable o r d isable s ystem a udio c ontrol, i n t he H ome s creen m enu, n avigate t o S ettings > S ystem >
Control o ther d evices ( CEC) a nd h ighlight S ystem a udio c ontrol. P ress O K t o e nable o r d isable t he
feature.
®
A RC, i n t he H ome s creen m enu, n avigate t o S ettings
®
, a nd t o d isplay t he e xternal d evice's v olume a nd m ute
®
A RC c onnector i s c onnected t o t he T V's H DMI A RC
®
c able.
Turning o ff t he s peakers" o n p age
Page 6 9
®
p orts. T he a udio r eturn
®
A RC r educes t he n umber o f c ables n eeded
6 7) a nd r esumes l ocal c ontrol o f
®
i nput, a s w ell a s