Operations, Drc (dynamic range control), Av sync – LG NB2030A User Manual
Page 12: Auto power down, Auto power on/off, Turn off the sound temporarily

3 Operating
Operating
12
Oper
ating
3
Operations
DRC (Dynamic Range Control)
Makes the sound clear when the volume is turned 
down (Dolby Digital only). Set to DRC by pressing 
DRC ON. 
To cancel DRC, press DRC OFF.
AV Sync
When receiving audio signals from TV, sound and 
images may not match. In that case, this function 
can adjust the delay time.
Use AV SYNC -/+ to scroll up and down through 
the delay amount, which you can set between 
0 and 300 ms.
When the AV SYNC reaches the highest/lowest 
level and you push AV SYNC -/+ on remote 
control again, red LED on the unit turns on for 
2 seconds to signal what the AV SYNC level is.
,
Note
AUTO POWER DOWN
This unit turns off automatically to save power 
consumption if no signal is transmitted to the unit 
for about 25 minutes. 
But the unit can turn on automatically based on the 
[AUTO POWER] function you've set.
AUTO POWER On/Off
This function automatically turns on the unit when 
you turn on the external device (TV, DVD player, 
Blu-ray player etc.) connected to the unit by optical 
cable. Turn on this function by pressing AUTO 
POWER ON. 
To cancel it, press AUTO POWER OFF.
If you don’t connect external device to the unit 
by optical cable or there is no digital input, the 
unit is turned off after 1 minutes when you 
turn on this function.
It is not available to turn on the unit by AUTO 
POWER function if you turn off it directly.
,
Note
Turn off the sound temporarily
Press  to mute your unit.
You can mute your unit, for example, to answer the 
telephone. 
To cancel it, press MUTE again on the remote 
control or change the volume level.
Red LED on the unit blinks at intervals of 2 
seconds to signal that the unit is in mute 
mode.
,
Note
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