JVCメーカーGR-DVL309の使用説明書/サービス説明書
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LYT0641-001A EN DIGITAL VIDEO CAMERA INSTRUCTIONS G R-D VL 3 09 G R-D VL 3 08 G R-D VL109 G R-D VL108 ENGLISH CONTENTS AUTOMA TIC DEMONSTRA TION 5 GETTING ST ARTED 6 – 13 RECORDING 14 – 30 Basic Recording For Video .................... 14 Basic Recording For Digital Still Camera (D.
2 EN This camcorder is designed to be used with P AL-type colour television signals. It cannot be used for playback with a television of a different standard.
EN 3 When the equipment is installed in a cabinet or on a shelf, make sure that it has sufficient space on all sides to allow for ventilation (10 cm or more on both sides, on top and at the rear). Do not block the ventilation holes. (If the ventilation holes are blocked by a newspaper , or cloth etc.
4 EN PROVIDED ACCESSORIES • AC Power Adapter/ Charger AA-V40EG • Remote Control Unit RM-V716U • DC Cord • CD-ROM The CD ROM contains the following 3 software programmes: • JLIP V ideo Capture • JLIP Video Producer • Picture Navigator • PC Connection Cable • Audio/V ideo Cable (ø3.
EN 5 1 R S Z G T I D S R E O O A A D E I E C U O I L M D C T N M N L N O E A U M D Y U . M R O U M M L E N D M P B O E R E O E D D A D R E E ME O O N N F U F AUTOMA TIC DEMONSTRA TION Automatic Demonstration takes place when “ DEMO. MODE ” is set to “ ON ” (factory-preset).
6 EN GETTING ST ARTED Power This camcorder ’ s 2-way power supply system lets you choose the most appropriate source of power . Do not use provided power supply units with other equipment. CHARGING THE BA TTERY P ACK 1 Make sure you unplug the camcorder ’ s DC cord from the AC Power Adapter/Charger .
EN 7 1 3 2 T o DC Input connector T o DC OUT connector T o AC outlet AC Power Adapter/Charger DC cord A TTENTION: Before detaching the power source, make sure that the camcorder ’ s power is turned off. Failure to do so can result in a camcorder malfunction.
8 EN PAUSE 3 1 2 Grip Adjustment 1 Separate the V elcro strip. 2 Pass your right hand through the loop and grasp the grip. 3 Adjust so that your thumb and fingers can easily operate the Recording Start/Stop Button and Power Zoom Lever . Refasten the V elcro strip.
EN 9 P L A Y O F F 4 FA D W W R O F F F E I I A F A A A R P P N F D D D / E E D E E E W – – O R R R I S S M – – – P C H W B M E R U H L O O T I A S L T T C A L E E K I R C 1 O D T C R N A I L D E T M O I T S E E C S U C / K P R R T C L N E I O A A E M D D Y N E E ME N 1 U .
10 EN Loading/Unloading A Cassette The camcorder needs to be powered up to load or eject a cassette. 1 Slide and hold OPEN/EJECT in the direction of the arrow then pull the cassette holder cover open until it locks. The cassette holder opens automatically .
EN 11 MultiMediaCard Clipped edge Card Cover Loading A MultiMediaCard The provided MultiMediaCard is already inserted in the camcorder when you receive the camcorder . 1 Make sure the camcorder ’ s power is off. 2 Push the latch upward to open the card cover ( MEMOR Y CARD ).
12 EN P L A Y O F F 1 Q R R U E E A C T L D U I S S R T E C N Y LE M C E T NU S F T I A N N E DARD 1 R S Z G T I D S R E O O A A D E I E C U O I L M D C T N M N L N O E A U M D Y U . M R O U M M L E N D M P B O E R E O E D D A D R E E ME N S L U P P Picture Quality Mode Setting The Picture Quality mode can be selected to best match your needs.
EN 13 P L A Y O F F F. A U T O Operation Mode Choose the appropriate operation mode according to your preference using the Power Switch and VIDEO/DSC Switch. When the Power Switch is set to “ ” , “ F . AUTO ” appears. When set to “ ” or “ ” , there is no indication.
14 EN 25 90 min 89 min 3 min 2 min 1 min 0 min min 180 ° 90 ° BR I G H T – + P L A Y O F F RECORDING Basic Recording For Video T ally lamp (lights while recording is in progress) Lock Button T ape.
EN 15 Self-Recording JOURNALISTIC SHOOTING In some situations, different shooting angles may provide more dramatic results. Hold the camcorder in the desired position and tilt the LCD monitor in the most convenient direction. It can rotate 270 ° (90 ° downward, 180 ° upward).
16 EN P L A Y O F F F UL L MULTI-9 Multi-Analyser 9 FRAME Snapshot mode with frame* FULL Snapshot mode with no frame* MULTI-4 Multi-Analyser 4 * There is the sound effect of a shutter closing. RECORDING Basic Recording For Video (cont.) Snapshot (For Video Recording) This feature lets you record still images that look like photographs onto a tape.
EN 17 P L A Y O F F RECORDING Basic Recording For Digital Still Camera (D.S.C.) Basic Shooting (Snapshot) Y ou can use your camcorder as a Digital Still Camera for taking snapshots. NOTE: Y ou should already have performed the procedures listed below .
18 EN 10 x W T 1 x W T 10 x W T 20 x W T 40 x W T RECORDING Basic Recording For Video And D.S.C. Zoom in (T : T elephoto) Zoom out (W: W ide angle) Power Zoom Lever Zoom display FEA TURE: Zooming PURPOSE: T o produce the zoom in/out effect, or an instantaneous change in image magnification.
EN 19 NOTE: Recording From The Middle Of A T ape Time Code During recording, a time code is recorded on the tape. This code is to confirm the location of the recorded scene on the tape during playback. If recording starts from a blank portion, the time code begins counting from “ 00:00:00 ” (minute:second:frame).
20 EN RECORDING Basic Recording For Video And D.S.C. (cont.) DANGER The video light can become extremely hot. Do not touch it either while in operation or soon after turning it off, otherwise serious injury may result.
EN 21 While focusing on a nearer subject While focusing on a further subject FEA TURE: Auto Focus PURPOSE: The camcorder ’ s Full Range AF system offers continuous shooting ability from close-up (as close as approx. 5 cm to the subject) to infinity .
22 EN END 1 R S Z G T I D S R E O O A A D E I E C U O I L M D C T N M N L N O E A U M D Y U . M R O U M M L E N D M P B O E R E O E D D A D R E E MEN S L U P P 1 D T W W C R I E I I A E S L D N M M T .
EN 23 Menu Screen Explanations : Factory-preset Refer to “ Fade/W ipe Effects ” ( pg. 26, 27). Refer to “ Programme AE W ith Special Effects ” ( pg. 28). Refer to “ Exposure Control ” and “ Iris Lock ” ( pg. 29). Refer to “ White Balance Adjustment ” and “ Manual White Balance Operation ” ( pg.
24 EN : Factory-preset Menu Screen Explanations (cont.) DIS TELE MACRO Demonstrates certain functions such as Programme AE with special effects, etc., and can be used to confirm how these functions operate. When “ DEMO. MODE ” is set to “ ON ” and the Menu Screen is closed, demonstration starts.
EN 25 NOTES: ● The “ MANUAL MENU ” settings are effective only when the Power Switch is set to “ ” . ● “ DISPLA Y MENU ” functions which are set when the Power Switch is set to “ ” are also applied when the Power Switch is set to “ ” ( pg.
26 EN Fade/Wipe Effects These effects let you make pro-style scene transitions. Use them to spice up the transition from one scene to the next. Y ou can also vary transitions from scene to scene. IMPORT ANT: Some Fade/W ipe Effects cannot be used with certain modes of Programme AE with special effects ( pg.
EN 27 Fader And Wipe Menu Menu Effect Fade in or out with a white screen. Fade in or out with a black screen. Fade in or out with a full-screen mosaic effect. Fade in to a colour screen from a black and white screen, or fade out from colour to black and white.
28 EN 1/50 1/100 1/250 1/50 1/100 1/250 4 P . A S S V S S S E L L I O H H H / O O D F U U U E W W E F T T T F O T T T F 1 E E E E 4 0 E R R R C x x C T HO RECORDING Advanced Features For Video And D.S.C. (cont.) Programme AE With Special Effects 1 Set the Power Switch to “ ” while pressing down the Lock Button located on the switch.
EN 29 EX 0 P. Exposure Control Manual exposure adjustment is recommended in the following situations: • When shooting using reverse lighting or when the background is too bright. • When shooting on a reflective natural background such as at the beach or when skiing.
30 EN White Balance Adjustment A term that refers to the correctness of colour reproduction under various lighting. If the white balance is correct, all other colours will be accu- rately reproduced. The white balance is usually adjusted automatically .
EN 31 PLA YBACK Basic Playback For Video P L A Y O F F Power Switch Rewind Button ( 2 ) Fast-Forward Button ( 3 ) Play/Pause Button ( 4 / 6 ) Stop Button ( 5 ) 1 Load a tape ( pg. 10). 2 Set the VIDEO/DSC Switch to “ VIDEO ” , then set the Power Switch to “ ” while pressing down the Lock Button located on the switch.
32 EN P L A Y O F F 1 S 1 S R R O 2 Y E E U B N C V T N I C I U D T H M D R R O E N M M O D C O O O E O D D P M E E Y ENU S S S T O O E U U R N N E D D O L R 1 O D T R N A I D E T M I T S E E S U C / .
EN 33 12 BI T / SOUND 1 SP 4 25. 1 1 2 7 . : 0 3 0 0 TC 12 : 34 : 24 Playback Sound During playback, the camcorder detects the sound mode in which the recording was made, and plays the sound back. Select the type of sound to accompany your playback picture.
34 EN P L A Y O F F 13 / 50 100 – 0013 12 / 50 100 – 0012 11 / 50 100 – 0011 10 / 50 100 – 0010 Power Switch Lock Button Normal Playback Images shot with the camcorder are automatically numbered, then stored in numerical order in the MultiMediaCard.
EN 35 P L A Y O F F 1 I S P D F R N L R E O E D I O L R T E D T E M D U X E E T A S R C E T C N S T H M O E W NU 001 F 002 S 003 S 005 F 004 F EXIT 006 F < INDEX > Lock Button Power Switch Menu Screen INDEX Screen The images you shot can be displayed together with their index information.
36 EN Slide Show Y ou can run through all the images stored in memory automatically in numerical order . 1 Set the VIDEO/DSC Switch to “ ” , then set the Power Switch to “ ” , while pressing down the Lock Button. 2 Press MENU/BRIGHT . The Menu Screen appears.
EN 37 1 I S P D F R N L R E O E D I O L R T E D T E M D U X E E T A S R C E T C N S T H M O E W NU P L A Y O F F 001 F 002 S 003 S 005 F 004 F EXIT 006 F < PROTECT > 001 F 002 S 003 S 005 F 004 .
38 EN C E A X N E C C D E U S L T C E ME NU P L A Y O F F 001 F X 002 S X 003 S 005 F 004 F EXIT 006 F < DELETE > Deleting Images Previously shot images can be deleted either one at a time or all at once. 1 Set the VIDEO/DSC Switch to “ ” , then set the Power Switch to “ ” while pressing down the Lock Button.
EN 39 P L A Y O F F 1 I S P D F R N L R E O E D I O L R T E D T E M D U X E E T A S R C E T C N S T H M O E W NU C E A X N E C C E U L TE MENU/BRIGHT Wheel Lock Button Power Switch Display Initialising A MultiMediaCard Y ou can initialise a MultiMediaCard anytime.
40 EN CONNECTIONS Basic Connections These are some basic types of connections. When making the connections, refer also to your VCR and TV instruction manuals. TV VCR Audio/Video cable [mini-plug to RCA plug] (provided) Y ellow to VIDEO White to AUDIO L IN** Red to AUDIO R IN** T o TV or VCR Set to CVBS Cable Adapter (provided) A.
EN 41 1 Make sure all units are turned off. 2 Connect the camcorder to a TV or VCR as shown in the illustration ( pg. 40). If using a VCR . . . go to step 3. If not . . . go to step 4. 3 Connect the VCR output to the TV input, referring to your VCR ’ s instruction manual.
42 EN CONNECTIONS Advanced Connections Connection T o A Personal Computer This camcorder can transfer still images to a PC by using the provided software when connected as shown in the illustration. It is also possible to transfer still images to a PC with a DV connector -equipped capture board installed.
EN 43 V ideo unit equipped with a DV input connector Connection T o A Video Unit Equipped With A DV Connector Connection to the GV -DT3 Digital Printer (optional) allows you to print out images or transfer them to a PC. It is also possible to copy recorded scenes from the camcorder onto another video unit equipped with a DV connector .
44 EN DUBBING Dubbing T o A VCR 1 Following the illustration, connect the camcorder and the VCR. Also refer to pg. 40 and 41. 2 Set the VIDEO/DSC Switch to “ VIDEO ” , then set the camcorder ’ s.
EN 45 DV cable *** Video unit equipped with DV connector To D V IN/OUT To DV IN**/OUT Power Switch Core filter Connector cover* Dubbing T o Or From A Video Unit Equipped With A DV Connector (Digital Dubbing) It is also possible to copy recorded scenes from the camcorder onto another video unit equipped with a DV connector .
46 EN P L A Y O F F T P O US C H OP S Y TA T R O T/ T S A T P O E P R 4 E 4 C 4 Power Switch Rewind Button ( 2 ) Fast-Forward Button ( 3 ) Lock Button Dubbing Images Stored In A MultiMediaCard T o A T ape Images can be dubbed from a MultiMediaCard to a tape.
EN 47 SP 6 1 S 1 S R R O 2 Y E E U B N C V T N I C I U D T H M D R R O E N M M O D C O O O E O D D P M E E Y EN O U N P L A Y O F F Play/Pause Button ( 4 / 6 ) Display Power Switch SNAPSHOT Button Lock Button Dubbing Images Recorded On A T ape T o A MultiMediaCard Images can be dubbed from a tape to a MultiMediaCard.
48 EN 5m 30 ° 30 ° 1 3 2 + – + – The Full-Function Remote Control Unit can operate this camcorder from a distance as well as the basic operations (Playback, Stop, Pause, Fast-Forward and Rewind) of your VCR. It also makes additional playback functions possible.
EN 49 10 ) @ $ ! # % ^ & * ( 2 3 4 6 8 5 7 9 Buttons 1 Infrared beam transmitting window 2 Zoom (T/W) Buttons 3 DISPLA Y Button 4 SHIFT Button 5 SLOW Rewind/Forward Buttons Left/Right Buttons 6 RE.
50 EN USING THE REMOTE CONTROL UNIT (cont.) SHIFT P AUSE PLA Y STOP Press T Normal playback Left or SLOW Rewind Button T o move image, press (Right) while keeping SHIFT held down.
EN 51 P 4 L O A F 1 2 3 4 5 Y F BACK C M S S V L O E T I E A N P R D F S O I O E F S T A B O E I O E C C N E T E C F H I O LM EFFECT PLA Y EFFECT ON/OFF PLA YBACK EFFECT Select Menu Remote sensor FEA TURE: Playback Special Effects PURPOSE: T o allow you to add creative effects to the video playback image.
52 EN USING THE REMOTE CONTROL UNIT (cont.) VCR CODE LIST 6 2 6 4 7 7 MITSUBISHI 6 7 6 8 NEC 3 7 3 8 GRUNDIG 1 4 3 4 HITACHI 6 6 6 3 PANASONIC 1 3 1 7 1 1 9 4 1 8 JVC 9 1.
EN 53 DISPLA Y MAKE CONNECTIONS Also refer to pg. 40 and 41. 1 A JVC VCR equipped with a remote pause connector . . . ... connect the editing cable to the Remote P AUSE connector . A JVC VCR not equipped with a remote pause connector but equipped with an R.
54 EN USING THE REMOTE CONTROL UNIT (cont.) 1 2 3 4 5 6 7 8 –– T T I O M T – E A I – L N : C – O – D ~ ~ ~ ~ ~ ~ ~ ~ E O – 0 U – 0 T : : – 0 – 0 M OD E PLA Y R.A.EDIT ON/OFF EFFECT F ADE/WIPE EDIT IN/OUT CANCEL SELECT SCENES 4 Point the remote control at the camcorder ’ s remote sensor .
EN 55 1 2 3 4 5 6 7 8 – – – – T T I O M T 0 0 0 0 1 – E A I 0 7 3 9 5 – L N : : : : : : C 2 1 3 3 5 – O 5 8 3 0 5 – D ~ ~ ~ ~ ~ ~ ~ ~ E O 0 0 0 1 1 1 U 2 8 5 3 6 6 9 T : : : : : : : 0 3 5 1 2 3 3 5 1 3 5 0 0 9 M – – O – – DE – – – – – – STOP P AUSE R.
56 EN USING THE REMOTE CONTROL UNIT (cont.) 1 2 3 4 5 6 7 8 –– T T I O M T – E A I – L N : C – O – D ~ ~ ~ ~ ~ ~ ~ ~ E O – 0 U – 0 T : : – 0 – 0 M OD E R.A.EDIT ON/OFF For More Accurate Editing Some VCRs make the transition from Record-Pause to Record mode faster than others.
EN 57 R.A.EDIT ON/OFF 1 S 1 S R R O 2 Y E E U B N C V T N I C I U D T H M D R R O E N M M O D C O O O E O D D P M E E Y ENU + 1 . 0 ADJUSTMENT OF VCR/CAMCORDER TIMING 4 Point the remote control at the camcorder ’ s remote sensor and press R.A.EDIT ON/OFF to make the Random Assemble Editing menu disappear , then press MENU/BRIGHT .
58 EN 6e P AUSE A.DUB STOP PLA Y Audio Dubbing The audio track can be customized only when recorded in the 12-bit mode ( pg. 23). NOTES: ● Audio Dubbing is not possible on a tape recorded in 16-bit audio, on a tape recorded in the LP mode or on a blank portion of a tape.
EN 59 SYMPTOM POSSIBLE CAUSES CORRECTIVE ACTION TROUBLESHOOTING 1. No power is supplied. 2. “ SET DA TE/TIME! ” appears. 3. Recording cannot be performed. 4. There is no picture. 5. Some functions are not available using MENU/ BRIGHT . 6. The focus does not adjust automatically .
60 EN TROUBLESHOOTING (cont.) SYMPTOM POSSIBLE CAUSES CORRECTIVE ACTION 7. The cassette will not load properly . 8. The MultiMediaCard will not load properly . 9. Snapshot mode cannot be used. 10. The colour of Snapshot looks strange. 11 . The image taken using Snapshot is too dark.
EN 61 SYMPTOM POSSIBLE CAUSES CORRECTIVE ACTION 16. The Picture W ipe and Dissolve functions do not work. 17. The picture wipe function does not work. 18. Scene transition does not go as expected. 19. The V ideo Echo mode does not work. 20. Even when Slow Shutter is not selected, the image looks like it is activated.
62 EN TROUBLESHOOTING (cont.) SYMPTOM POSSIBLE CAUSES CORRECTIVE ACTION 22. White Balance cannot be activated. 23. When shooting a subject illuminated by bright light, vertical lines appear . 24. When the screen is under direct sunlight during shooting, the screen becomes red or black for an instant.
EN 63 SYMPTOM POSSIBLE CAUSES CORRECTIVE ACTION 31. • Certain Fade/W ipe effects, certain modes of Programme AE with special effects, “ DIS ” and other functions that cannot be used together are selected at the same time. 32. • The LCD monitor an d the viewfinder ar e made with high-precision technology .
64 EN TROUBLESHOOTING (cont.) SYMPTOM POSSIBLE CAUSES CORRECTIVE ACTION 40. The LCD monitor , the viewfinder and the lens have become dirty (ex. fingerprints). 41. An unusual mark appears. 42. An error indication (E01 — E06) appears. 43. The charger indicator on the AC Power Adapter/ Charger does not light.
EN 65 2 1 USER MAINTENANCE Cassette holder cover OPEN/EJECT Switch PUSH HERE Cassette holder Cover Cleaning The Camcorder 1 T o clean the exterior , wipe gently with a soft cloth. Put the cloth in diluted mild soap and wring it well to wipe off heavy dirt.
66 EN INDEX Controls, Connectors And Indicators P L A Y O F F 1 r p o t u i w q e 3 4 5 6 7 8 W y $ % # Y R U I T E & ^ * ( ) ! @ 9 0 Q 2.
EN 67 Controls 1 Monitor Open Button [PUSH OPEN] ..................................... 墌 pg. 14 2 Dioptre Adjustment Control ................... 墌 pg. 8 3 Battery Release Button [BA TTERY RELEASE] .............................. 墌 pg. 7 4 • MENU Wheel [+, – , PUSH] .
68 EN INDEX Indications LCD Monitor/Viewfinder Indications During Video Recording Only 1 Displays the selected Fade/W ipe effect. ( 墌 pg. 26, 27) 2 Appears when in the Squeeze or Cinema mode. ( 墌 pg. 24) 3 * Displays the recording mode (SP or LP).
EN 69 LCD Monitor/Viewfinder Indications During Both Video And D.S.C. Recording F. 2 AU P T H O 4 O B 0 T R x O I W GH T – T 1 + . 1 1 2 . : 0 0 0 0 1 * 2 4 6 7 3 5 8 ! 0 @ * # 9 1 * Appears when the power switch is set to “ ” . ( 墌 pg. 13) 2 Appears when backlight compensation is used.
70 EN INDEX Indications (cont.) LCD Monitor/Viewfinder Indications During Video Playback 1 Displays the sound mode. ( 墌 pg. 32, 33) 2 Displays the tape speed.
EN 71 Indications Function Displays the battery remaining power . Remaining power level: high Remaining power level: exhausted As the battery power comes close to nil, the battery indicator blinks. When the battery power is exhausted, power turns off automatically .
72 EN INDEX Indications (cont.) Indications Function ● Appears if dubbing of copyguarded signals is attempted while this camcorder is being used as a recorder (GR-DVL309/DVL109 only). ( 墌 pg. 45) ● Appears in the following cases when dubbing from a tape to a MultiMediaCard: – when no MultiMediaCard is loaded.
EN 73 Video Light DANGER 䡲 The video light can become extremely hot. Do not touch it either while in operation or soon after turning it off, otherwise serious injury may result. 䡲 Do not place the camcorder into the carrying case immediately after using the video light, since it remains extremely hot for some time.
74 EN CAUTIONS (cont.) Cassettes T o properly use and store your cassettes, be sure to read the following cautions: 1. During use . . . .... make sure the cassette bears the Mini DV mark. .... be aware that recording onto prerecorded tapes automatically erases the previously recorded video and audio signals.
EN 75 Serious malfunctioning If malfunctioning occurs, stop using the unit immediately and consult your local JVC dealer . The camcorder is a microcomputer -controlled device. External noise and interference (from a TV , a radio, etc.) might prevent it from function- ing properly .
76 EN TERMS F Fade-In/Out ........................................ 墌 pg. 26, 27 Fast-Forward The T ape .............................. 墌 pg. 31 Frame-By-Frame Playback .................. 墌 pg. 31, 50 G Gain Up ....................................
EN 77 P Picture Quality Mode ............................... 墌 pg. 12 Picture W ipe/Dissolve ......................... 墌 pg. 26, 27 Playback Special Effects ............................ 墌 pg. 51 Playback Zoom ....................................
78 EN SPECIFICA TIONS Camcorder For General Power supply : DC 6.3 V (Using AC Power Adapter/Char ger) DC 7.2 V (Using battery pack) Power consumption LCD monitor off, viewfinder on : Approx. 4.3 W LCD monitor on, viewfinder off : Approx. 5.3 W V ideo light : Approx.
EN 79 For Digital Still Camera Storage media : MultiMediaCard Compression system : JPEG (compatible) File size : VGA: 640 x 480 pixels Picture quality : 2 modes (FINE/ST ANDARD) Approximate number of .
COPYRIGHT© 2000 VICTOR COMPANY OF JAPAN, LTD. EG Printed in Japan 0700HOV * UN * VP VICTOR COMP ANY OF JAPAN, LIMITED EN G R-D VL 309 G R-D VL 308 G R-D VL10 9 G R-D VL108.
デバイスJVC GR-DVL309の購入後に（又は購入する前であっても）重要なポイントは、説明書をよく読むことです。その単純な理由はいくつかあります：
JVC GR-DVL309をまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはJVC GR-DVL309の技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。JVC GR-DVL309の取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。JVC GR-DVL309で得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
JVC GR-DVL309を既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はJVC GR-DVL309の不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、JVC GR-DVL309に関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちJVC GR-DVL309デバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。
