Set the volume to "0" by the remote control.
Then press and hold the MUTE button on the remote control and MENU button on the TV at the same time for over 2 seconds.
In the S mode, press the POWER button to quit the S mode.
( S is red and other items are yellow.)
Use the ▲/▼ buttons on the remote control to highlight an adjustment and the ◄/► buttons to adjust it.
The POS +/-,▲▼,1~6, RECALL, VOL+/-, MUTE and POWER buttons on the remote control function in the S mode, but 100+, 7, 8, 9 and 0 buttons not.BUS DATA
