TCL 6-Series - Troubleshooting; 4 K Picture Quality; My picture is too small (black bars on the side); How to install the Remote Control Mobile App

141
Broadcasting & Operating Environment
Broadcasting system US System NTSC-M
ATSC standard (8VSB), QAM
Receiving Channels VHF2-13
UHF14-69
CATV 14-36 (A)-(W)
37-59 (AA)-(WW)
60-85 (AAA)-(ZZZ)
86-94 (86)-(94)95-99 (A-5)-(A-1)
100-135 (100)-(135)
01 (4A)
Tuner type Frequency synthesized
Operating Temperature 5°C to 35°C (41°F to 95°F)
Operating Humidity 20% to 80%, non-condensing
Storage Temperature -15°C to 45°C (5°F to 113°F)
Storage Humidity 10% to 90%, non-condensing