TCL C935U User Manual page 21

Level Options
Use Up/Down to adjust the value.
Short press to enter Effect Menu.
9
Use Left/Right to switch different Effect Options
Use Up/Down to adjust Effect ON/OFF or 1/2/3 Effect.
Short Press to enter sound modes menu.
10
Keep short press or use Up/Down/Left/Right to switch
sound modes: Standard, Voice, Music, Movie, Game,
Sports.
Short Press to enter AI Sonic-Adaptation
11
Short press "Up/Down" to switch different AI Sonic
Adaptation: Default / Sonic 1 / Sonic 2 / Sonic 3.
[1] Level Options: Bass, Treble, Dialogue, SurrVol, Av Sync.
[2] Effect Options: Bass Boost, Surround Enhance, Pass
through, Night, NEURALX, DRC, LED Dim.
[3] AI-Sonic Adaptation: Learn more on page 13.
Note:
Factory Mode: Long Press Mode+Mute together for 5
seconds.
[1]
with Left/Right.
19
[2]
[3]
Menu.