LG RU-50PX20 - Manual (Page 25)

Owner’s Manual 25
Operation
Key Lock Key Lock
- The TV can be set up so that it can only be used with the remote control.
- This feature can be used to prevent unauthorized viewing by locking out the
front panel controls.
- This TV is programmed to remember which option it was last set to even if you
turn the TV off.
Special Menu Options Special Menu Options
1. Press the MENU button and then use D / E button to select the SPECIAL menu.
2. Press the G button and then use D / E button to select Key lock.
3. Press the G button and then use D / E button to select On or Off .
4. Press the ENTER button to save.
• With the Key lock On, the display ‘ Key lock ’ appears on the screen if any
button on the front panel is pressed.
W
ISM (Image Sticking Minimization) Method ISM (Image Sticking Minimization) Method
- A frozen still picture from a PC/video game displayed on the screen for prolonged periods will result in a ghost image remaining
even when you change the image. Avoid allowing a fixed image to remain on the TV's screen for a long period of time.
1. Press the MENU button and then use D / E button to select the SPECIAL menu.
2. Press the G button and then use D / E button to select ISM Method.
3. Press the G button and then use D / E button to select either Normal , White
wash , Orbiter or Inversion .
• Normal
If image sticking is never a problem, ISM is not necessary - set to Normal.
• White wash
White Wash removes permanent images from the screen. Note: An excessive
permanent image may be impossible to clear entirely with White Wash. To
return to normal viewing, press any button.
• Orbiter
Orbiter may help prevent ghost images. However, it is best not to allow any
fixed image to remain on the screen. To avoid a permanent image on the
screen, the image will move every 2 minutes: Right
→ Right → Downside →
Downside → Left → Left → Upside → Upside.
• Inversion
Inversion will automatically invert the TV panel color every 30 minutes.
4. Press the ENTER button to save.
CHANNEL
PICTURE
SOUND
TIMER
SPECIAL
SCREEN
PIP/DW
LOCK Prev. Menu
On
Off
Language
Key lock G
ISM Method
Low power
Set ID
Caption / Text
Captions
Demo
CHANNEL
PICTURE
SOUND
TIMER
SPECIAL
SCREEN
PIP/DW
LOCK Prev. Menu
Normal
White wash
Orbiter
Inversion
Language
Key lock
ISM Method G
Low power
Set ID
Caption / Text
Captions
Demo