RECEPTION PROBLEMS

 

• IGNITION NOISE:

 

 

Black spots or horizontal streaks may appear, picture may flutter or drift. Usually

 

 

caused by interference from automobile ignition systems, neon lamps, electrical drills,

 

 

and other electrical appliances.

 

 

 

English

 

Ghosts are caused by the television signal following two paths. One is the direct path

 

• GHOSTS:

 

 

and the other is reflected from tall buildings, hills or some other objects. Changing the

 

 

direction or position of the antenna may improve reception. Ghosting may also be

 

 

caused by defects in the antenna system such as unshielded leads or connecting

 

 

several sets to the same antenna without using multiple antenna couplers.

Français

 

• SNOW:

 

 

 

If your receiver is located in the fringe area of a television station where the signal is

 

 

weak, your picture may be marred by the appearance of small dots. When the signal

 

 

is extremely weak, it may be necessary to install a special antenna to improve the

 

 

picture.

 

 

 

 

 

• RADIO FREQUENCY INTERFERENCE:

 

 

The interference produces moving ripples or diagonal streaks, and in some cases,

 

 

causes loss of contrast in the picture.

 

 

• PREVENTION OF AN OBSTACLE TO RADIO RECEIVERS

 

 

This monitor has been designed pursuant to the FCC class B Rules. This is to prevent

 

 

a problem to Radio receivers. If this monitor causes a problem to Radio receivers,

 

 

then take the

 

 

following steps:

 

 

- Keep the monitor away from Radio.

 

 

- Adjust Radio antennas in order for the monitor not to receive interference.

 

 

- The antenna cable of Radio should be kept away from the monitor.

 

 

- Use a coaxial cable for antenna.

 

 

You can check if this monitor influences Radio receivers by turning off all other

 

 

equipment other than the monitor.

 

 

If you find a problem receiving Radio when using the monitor, check the instructions

 

 

mentioned above.

 

• The display image appears

• Adjust the horizontal clock and clock phase.

 

scrolling diagonal.

(Adjust the horizontal clock first, the clock phase next.)

 

• Text displayed across the screen

(RGB input)

 

appears vertically streaked, with

 

 

the characters in vertical columns

 

 

blurred.

 

 

 

 

 

• Text displayed across the

• Adjust the clock phase for the clearest viewing.

 

screen appears blurred.

(RGB input)

 

• A fine pattern flickers when

 

 

displayed on the screen.

 

 

 

 

 

• Vertical stripes appear, depending on the

• The plasma display panel is lighting the phosphors by the discharge of internal

 

screen contents.

radiation. Depending on the screen contents, in rare cases this may cause vertical

 

 

stripes to appear because of failure to light. Please note that this is not a malfunction.

 

• Coarse horizontal stripes appear in FULL

• Adjusting the clock phase will reduce the horizontal stripes.

 

display.

(RGB input)

 

 

 

 

• The display dims to make the picture

• This condition may occur when the unit is connected to a VCR with component

 

invisible during special playback of a

output, such as 480i, but it is not a failure. But when it occurs, switch to composite

 

VCR (FF, REW).

output.

 

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Hitachi 42HDF52 important safety instructions Reception Problems, Ignition Noise
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42HDF52 specifications

The Hitachi 42HDF52 is a notable plasma television that represents an admirable union of technology, design, and user-friendly features. Launched into the competitive flat-screen market, this model is particularly known for its rich viewing experience and aesthetic appeal.

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