Samsung HW-C400 Full Manual page 10

Volume

Push the button up or down to adjust the volume.
LED
Indicator
CH LEVEL

By pressing the button, you can adjust the volume of the each speaker.
LED
Indicator
"Center Level"
 (Sound Control)
By pressing the button, you can set the audio function. The desired item can be adjusted using the Up/
Down buttons. Each time the mode changes, the Multicolor LED blinks in white.
LED
Indicator
"Sync"
– If the video on the TV and audio from the Soundbar are not synchronized, select "Sync" in Sound
Control, and then set the audio delay between 0~300 milliseconds by using the Up/Down buttons.
(Not available in "USB" or "Bluetooth"mode.)
– "Sync" is only supported for some functions.
– "Night mode" is optimized for night time viewing with the settings adjusted to bring the volume
down but keep the dialog clear.
– "Voice enhancement" makes it easier to hear spoken dialog in movies and TV.
White moves to right X1
Volume Up
White Blinks X1
 "Night mode"  "Voice enhancement"
White Blinks X1
ENG - 10
White moves to left X1
Volume Down