TCL Alto 7 User Manual page 15

3
Press to select the Bluetooth function.
+/-
4
Press to increase or decrease the volume level.
Remote control sensor
5
Receive signals from the remote control.
LED indicator
6
Red: in standby mode.
Purple: in HDMI mode.
Green: in AUX mode.
Blue: in Bluetooth mode.
Yellow: in Optical mode.
White: in USB mode.
IR pass-through cable connector
7
AUX input connector
8
AC input power connector
9
10 HDMI ARC connector
11 Optical input connector
12 USB Type A connector (only for music playback)
13