LL-171ME (serv.man5) - Sharp Monitor User Guide / Operation Manual. Page 53

Always remove the plug from the AC outlet when cleaning the monitor.

Use a soft dry cloth to lightly wipe away any grime from the cabinet and control panel.
If they are very dirty, apply neutral detergent to a dampened soft cloth, wring it out well and wipe away
grime.

Use a soft dry cloth to lightly wipe away dirt and dust from the surface of the LCD panel. (A soft cloth such
as gauze or that used for lens cleaning is suitable.)

- Never use thinner, benzine, alcohol, glass cleaner, etc., as this could lead to colour change or change

in shape.

- Never scratch the monitor with anything hard or apply strong pressure as this could leave marks or

result in malfunction.

If the monitor will not be used for a long period of time, be sure to remove the power plug from the AC
outlet.

- Do not leave the monitor in contact with rubber or plastic items for long periods of time as this could

lead to colour change or change in shape.

The TV picture does not move.
The video picture does not move.

I have forgotten my PIN
(Personal Identification Number).

There is no sound.

Control buttons do not work.
The MENU screen does not appear.

“PROGRAMMES” in the MENU screen
for TV mode cannot be selected.

- Is the screen pausing? Did you press the FREEZE/HOLD

button? (Page E43)

- See “Disengaging Child Lock” at the end of this manual.

- Are the audio cables properly connected? (Pages E10, E12

and E13)

- Did you press the 

 button? (Page E47)

- No sound can be heard from the monitor’s speakers while

headphones are connected.

- Adjust the volume. (Page E19)
- No sound can be heard from the monitor’s speakers while the

monitor is in power-saving mode.

- When “STATUS” in the CHILD LOCK menu is “ALL” or

“INDIVIDUAL”, TV/AV-IN SOUND is not available in PC mode.
(Pages E21 and E40)

- In AV mode, sound cannot be heard if there is no video input

signal.

- Is the adjustment lock set? (Page E48)

- Is Child Lock set? Cancel the lock temporarily. (Page E41)
- Is the monitor switched to TV mode? (Page E18)

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