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Facilità d'uso
HT680.book Page 30 Tuesday, December 14, 2004 8:55 AM
Product Service
Glossary
1. Damage requiring service—The unit should be serviced by
Decoder
qualified service personnel if:
A decoder restores the coded audio signals on DVD’s to normal.
(a) The AC power supply cord or AC adaptor has been damaged;
This is called decoding.
or
(b) Objects or liquids have gotten into the unit; or
Dolby Digital
(c) The unit has been exposed to rain; or
This is a method of coding digital signals developed by Dolby
(d) The unit does not operate normally or exhibits a marked
Laboratories. Apart from stereo (2-channel) audio, these signals can
change in performance; or
also be multi-channel audio. A large amount of audio information can
(e) The unit has been dropped or the cabinet damaged.
be recorded on one disc using this method.
2. Servicing—Do not attempt to service the unit beyond that
described in these operating instructions. Refer all other
DTS (Digital Theater Systems)
servicing to authorized servicing personnel.
This surround system is used in many movie theaters around the
world. There is good separation between the channels, so realistic
3. Replacement parts—When parts need replacing ensure the
sound effects are possible.
servicer uses parts specified by the manufacturer or parts that
have the same characteristics as the original parts. Unauthorized
Dynamic range
substitutes may result in fire, electric shock, or other hazards.
Dynamic range is the difference between the lowest level of sound
4. Safety check—After repairs or service, ask the servicer to perform
that can be heard above the noise of the equipment and the highest
safety checks to confirm that the unit is in proper working condition.
level of sound before distortion occurs.
The servicer will require all components to service your system.
Therefore, should service ever be necessary, be sure to bring the
Frame still and field still
entire system.
Frames are the still pictures that go together to make a moving
picture. There are about 30 frames shown each second.
Product information
One frame is made up of two fields. A regular television shows these
For product information or assistance with product operation:
fields one after the other to create frames.
A still is shown when you pause a moving picture. A frame still is
In the U.S.A., refer to “Customer Services Directory” on page 31.
made up of two alternating fields, so the picture may appear blurred,
In Canada, contact the Panasonic Canada Inc. Customer Care
but overall quality is high.
Centre at 1-800-561-5505, or visit the website
A field still is not blurred, but it has only half the information of a
(www.panasonic.ca), or an authorized Servicentre closest to you.
frame still so picture quality is lower.
The model number and serial number of this product can be
I/P/B
found on either the back or the bottom of the unit.
r
y
MPEG 2, the video compression standard adopted for use with
a
Please note them in the space provided below and keep for
DVD-Video, codes frames using these 3 picture types.
s
future reference.
I: Intra coded picture
This picture has the best quality and is the best to use when
MODEL NUMBER
SC-HT680
adjusting the picture.
/
Glos
e
SERIAL NUMBER
P: Predictive coded picture
nc
This picture is calculated based on past I or P-pictures.
User memo:
B: Bidirectionally-predictive coded picture
na
This picture is calculated by comparing past and future I and
DATE OF PURCHASE ______________________________
P-pictures so it has the lowest volume of information.
inte
a
DEALER NAME ___________________________________
DEALER ADDRESS ________________________________
/
M
Linear PCM (pulse code modulation)
e
_________________________________________________
These are uncompressed digital signals, similar to those found on CD’s.
i
c
TELEPHONE NUMBER _____________________________
r
v
Playback control (PBC)
If a Video CD has playback control, you can select scenes and
t Se
Maintenance
information with menus.
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oduc
Clean this unit with a soft, dry cloth.
P
≥Never use alcohol, paint thinner or benzine to clean this unit.
≥Before using chemically treated cloth, carefully read the
instructions that came with the cloth.
Do not use commercially available lens cleaners as they may
cause malfunction. (Cleaning the lens is generally not necessary
although this depends on the operating environment.)
Before moving the unit, ensure the disc trays are empty.
Failure to do so will risk severely damaging the discs and the unit.
Language code list
Abkhazian:
6566
Chinese:
9072
Hausa:
7265
Lithuanian:
7684
Romanian:
8279
Telugu:
8469
Afar:
6565
Corsican:
6779
Hebrew:
7387
Macedonian:
7775
Russian:
8285
Thai:
8472
Afrikaans:
6570
Croatian:
7282
Hindi:
7273
Malagasy:
7771
Samoan:
8377
Tibetan:
6679
Albanian:
8381
Czech:
6783
Hungarian:
7285
Malay:
7783
Sanskrit:
8365
Tigrinya:
8473
Ameharic:
6577
Danish:
6865
Icelandic:
7383
Malayalam:
7776
Scots Gaelic:
7168
Tonga:
8479
Arabic:
6582
Dutch:
7876
Indonesian:
7378
Maltese:
7784
Serbian:
8382
Turkish:
8482
Armenian:
7289
English:
6978
Interlingua:
7365
Maori:
7773
Serbo-Croatian:
8372
Turkmen:
8475
Assamese:
6583
Esperanto:
6979
Irish:
7165
Marathi:
7782
Shona:
8378
Twi:
8487
Aymara:
6588
Estonian:
6984
Italian:
7384
Moldavian:
7779
Sindhi:
8368
Ukrainian:
8575
Azerbaijani:
6590
Faroese:
7079
Japanese:
7465
Mongolian:
7778
Singhalese:
8373
Urdu:
8582
Bashkir:
6665
Fiji:
7074
Javanese:
7487
Nauru:
7865
Slovak:
8375
Uzbek:
8590
Basque:
6985
Finnish:
7073
Kannada:
7578
Nepali:
7869
Slovenian:
8376
Vietnamese:
8673
Bengali; Bangla: 6678
French:
7082
Kashmiri:
7583
Norwegian:
7879
Somali:
8379
Volapük:
8679
Bhutani:
6890
Frisian:
7089
Kazakh:
7575
Oriya:
7982
Spanish:
6983
Welsh:
6789
Bihari:
6672
Galician:
7176
Kirghiz:
7589
Pashto, Pushto:
8083
Sundanese:
8385
Wolof:
8779
Breton:
6682
Georgian:
7565
Korean:
7579
Persian:
7065
Swahili:
8387
Xhosa:
8872
Bulgarian:
6671
German:
6869
Kurdish:
7585
Polish:
8076
Swedish:
8386
Yiddish:
7473
Burmese:
7789
Greek:
6976
Laotian:
7679
Portuguese:
8084
Tagalog:
8476
Yoruba:
8979
Byelorussian:
6669
Greenlandic:
7576
Latin:
7665
Punjabi:
8065
Tajik:
8471
Zulu:
9085
RQT7969
Cambodian:
7577
Guarani:
7178
Latvian, Lettish:
7686
Quechua:
8185
Tamil:
8465
Catalan:
6765
Gujarati:
7185
Lingala:
7678
Rhaeto-Romance:
8277
Tatar:
8484
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