LG Electronics L2323T manual Audio function, Do you see a Controls Locked message on the screen

Troubleshooting

Audio function

No sound.	Check if the audio cable is correctly connected.
	Check the volume level.
	Check if the sound source is correctly selected.
No sound in PIP /POP	Check if the SOUND is ON in the PIP/POP OSD
mode.	menu.
Sound is too high	Adjust the TREBLE to an appropriate level.
pitched or too low	Adjust the BASS to an appropriate level.
piched.	Select the BBE EFFECT to an appropriate level.
Sound level is too low.	Check the volume level.

Do you see a "CONTROLS LOCKED" message on the screen.

Do you see	You can secure the current control settings, so
“CONTROLS LOCKED”	that they cannot be inadvertently changed. You
when you push MENU	can unlock the OSD controls at any time by
button?
	pushing the MENU button and VOL.+ button
	for 5 seconds: the message “CONTROLS
	UNLOCKED” will appear. It is not possible to
	configure this function with the remote control
	buttons. You can only do so from the monitor.

TV function

TV signal is not	Check the channel system and make sure you
received.	chose the correct channel system.
	Check the AUTO CHANNEL function to
	automatically search the available channels.
	Check and see if the TV adapter is properly
	connected between your display and antenna
	cable.
Is the sound not	Check if the TV sound is set at ‘MONO’. In
displayed on the TV	case the TV SOUND is at ‘MONO’, the sound
channel indication	will not be displayed.
window?

A38