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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Kenwood DPX-MP4050B, along with an item. The lack of an instruction or false information given to customer shall constitute grounds to apply for a complaint because of nonconformity of goods with the contract. In accordance with the law, a customer can receive an instruction in non-paper form; lately graphic and electronic forms of the manuals, as well as instructional videos have been majorly used. A necessary precondition for this is the unmistakable, legible character of an instruction.
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The term originates from the Latin word „instructio”, which means organizing. Therefore, in an instruction of Kenwood DPX-MP4050B one could find a process description. An instruction's purpose is to teach, to ease the start-up and an item's use or performance of certain activities. An instruction is a compilation of information about an item/a service, it is a clue.
Unfortunately, only a few customers devote their time to read an instruction of Kenwood DPX-MP4050B. A good user manual introduces us to a number of additional functionalities of the purchased item, and also helps us to avoid the formation of most of the defects.
What should a perfect user manual contain?
First and foremost, an user manual of Kenwood DPX-MP4050B should contain:
- informations concerning technical data of Kenwood DPX-MP4050B
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- safety signs and mark certificates which confirm compatibility with appropriate standards
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Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of Kenwood DPX-MP4050B alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of Kenwood DPX-MP4050B, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Kenwood service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of Kenwood DPX-MP4050B.
Why one should read the manuals?
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Table of contents for the manual
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Page 1
DPX-MP4050B DPX-MP4050 DPX-3050B DPX-3050 DPX - MP4030 DPX - 3030S DPX - 3030 © B64-2319-20/06 (M;TKR) DOUBLE DIN SIZED CD/CASSETTE RECEIVER INSTRUCTION MANUAL DPX-MP4050(M-TKR)(E) 2003.02.14 09:02 AM Page 1[...]
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Page 2
— 2 — English Contents Safety precautions ......................3 About CDs ...................................5 About Cassette tape ...................5 Notes on playing MP3 ................6 General features .........................8 Power Selecting the Source V olume Attenuator Equalizer Control Adjustment of Equalizer type at EASY Adjustme[...]
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Page 3
— 3 — Safety precautions To prevent injury or fire, take the following precautions: •I nsert the unit all the way in until it is fully locked in place. Otherwise it may fall out of place when jolted. • When extending the ignition, battery , or ground wires, make sure to use automotive- grade wires or other wires with a 0.75mm 2 (A WG18) or [...]
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Page 4
— 4 — English Safety precautions • If you experience problems during installation, consult your Kenwood dealer . • If the unit does not seem to be working right, try pressing the reset button first. If that does not solve the problem, consult your Kenwood dealer . •P ress the reset button if the Disc auto changer fails to operate correctl[...]
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Page 5
— 5 — About CDs Handling CDs •D on’t touch the recording surface of the CD. • CD-R and CD-RW are easier to damage than a normal music CD. Use a CD-R or a CD-RW after reading the caution items on the package etc. •D on’t stick tape etc. on the CD. Also, don’t use a CD with tape stuck on it. When using a new CD If the CD center hole o[...]
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Page 6
— 6 — English Notes on playing MP3 (DPX-MP4050B/ DPX-MP4050/ DPX-MP4030) This unit can play MP3(MPEG1, 2, 2.5 Audio Layer 3). Note, however , that the MP3 recording media and formats acceptable are limited. When writing MP3, pay attention to the following restrictions. Acceptable media The MP3 recording media acceptable to this unit are CD-ROM,[...]
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Page 7
— 7 — MP3 playing order When selected for play , Folder Search, File Search, or for Folder Select, files and folders are accessed in the order in which they were written by the CD writer . Because of this, the order in which they are expected to be played may not match the order in which they are actually played. Y ou may be able to set the ord[...]
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Page 8
Tu rning the volume down quickly . Press the [A TT] button. Each time the button is pressed the Attenuator turns ON or OFF . Attenuator Increasing V olume Press the [ u ] button. Decreasing V olume Press the [ d ] button. V olume Press the [SRC] button. Source required Display T uner "TUNER" T ape "T APE" CD "CD" Exter[...]
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Page 9
Adjusting the effect of an Equalizer type selected in <Equalizer Control> when <Equalizer mode> is "EASY". 1 Refer to <Equalizer Control> (page 9) to select the Equalizer type. 2 Adjust the effect Press the [FM] or [AM] button. Each time the button is pressed, the effects of Equalizer switch as shown below: Setting of ef[...]
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Page 10
1 Enter the Audio Control mode Press the [AUD] button for at least 1 second. "AUD mode" is displayed. 2 Select the Audio item for adjustment Press the [FM] or [AM] button. Each time the button is pressed, the items that can be adjusted switch as shown below . 3 Adjust the Audio item Press the [ 4 ] or [ ¢ ] button. Audio Control The <[...]
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Page 11
Selecting the Spectrum Analyzer display . 1 Enter the Spectrum Analyzer Select mode Press the [S.A] button for at least 1 second. "SPEANA" is displayed. 2 Select the Spectrum Analyzer Press the [S.A] button. Each time the button is pressed, the Spectrum Analyzers switch as shown below: Spectrum Analyzer Display Scan of Spectrum Analyzer &[...]
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Page 12
Switching the information displayed. Press the [DISP] button. Each time the button is pressed the display switches as shown below . In T uner source Information Display Frequency Station name "SNPS" Charactor Clock Switching Display • When operation stops for 10 seconds the name at that time is registered, and Name Set mode closes. • [...]
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Page 13
Setting the color of the display . 1 Enter the Illumination Color Select mode Press the [COLOR] button. "Illumi" is displayed. 2 Select the Illumination Color Press the [COLOR] button. Each time the button is pressed, the Illumination Color switches as shown below: Illumination Color Display Scan of "Blue" to "Mint" &q[...]
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Page 14
1 Select the clock display Press the [DISP] button. 2 Enter clock adjustment mode Press the [DISP] button for at least 1 second. The ‡ indicator blinks. 3 Adjust the hours Press the [FM] or [AM] button. Adjust the minutes Press the [ 4 ] or [ ¢ ] button. 4 Exit clock adjustment mode Press the [DISP] button. Adjusting Clock The Illumination Color[...]
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Page 15
Entering the frequency and tuning. 1 Select the band Press the [FM] or [AM] button. 2 Enter Direct Access T uning mode Press the [DIRECT] button on the remote. "– – – –" is displayed. 3 Enter the frequency Press the number buttons on the remote. Example: Desired frequency Press button 92.1 MHz (FM) [0], [9], [2], [1] 810 kHz (AM) [...]
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Page 16
Changing the tuning frequency step. The original setting is FM band 50 kHz, and AM band 9 kHz. 1 Tu rn the power OFF Press the [SRC] button for at least 1 second. 2 Switch the frequency step While pressing the [1] and [5] button, press the [SRC] button. The frequency step changes to FM band 200 kHz, and AM band 10 kHz. • When the same operation i[...]
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Page 17
Press the [B.NR] button. Each time the button is pressed the Dolby B NR turns ON or OFF . When it's ON, "B NR On" is displayed. Dolby B NR Fast Forwarding Press the [FM] button. When it's stopped press the [ 38 ] button. Rewinding Press the [AM] button. When it's stopped press the [ 38 ] button. Fast Forwarding and Rewindin[...]
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Page 18
Playing the first part of each song on the tape you are listening to and searching for the song you want to listen to. 1 Start Index Scan Press the [SCN] button. "IDX Scan" is displayed. 2 Release it when the song you want to listen to is played Press the [SCN] button. Index Scan Fast forwarding automatically when an unrecorded portion co[...]
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Page 19
CD/MP3/External disc control features Repeating the present song. Press the [REP] button. Each time the button is pressed the Music Repeat turns ON or OFF . When it's ON, "Repeat" is displayed. Music Repeat — 19 — DISP NAME COLOR S.A DISC B.NR B.S FNC MTL AUD PWR OFF 0 SCRL SCN RDM/3 REP 5 M.RDM 38 4 DISC–/DISC + ¢ SRC SCN SCR[...]
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Page 20
Selecting the disc you want to hear . Press the [DISC–] or [DISC+] button. Disc Search (Function of disc changer) Selecting the song you want to hear . Searching for a song on the disc or in the MP3 folder . Press the [ 4 ] or [ ¢ ] button. T rack/ File Search Fast Forwarding Hold down on the [ ¢ ] button. Release your finger to play the disc a[...]
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Page 21
Playing the first part of each song on the disc or MP3 folder you are listening to and searching for the song you want to listen to. 1 Start T rack Scan Press the [SCN] button. "Scan" is displayed. 2 Release it when the song you want to listen to is played Press the [SCN] button. T rack Scan Replaying the song, disc in the Disc changer or[...]
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Page 22
Scrolling the displayed CD text, MP3 text, or MD title. Press the [SCRL] button. T ext/T itle Scroll <Folder name display> Displays the current folder name. 2 Select the folder level Press the [FM] or [AM] button. With the [FM] button you move 1 level down and with the [AM] button 1 level up. Selecting a folder in the same level Press the [ 4[...]
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Page 23
Setting during operation beep sound etc. functions. The Function Set basic operation method is explained here. The reference for the Function items and their setting content is after this operation explanation. 1 Enter Function Set mode Press the [FNC] button for at least 1 second. "Function" is displayed. 2 Select the Function Set item P[...]
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Page 24
Setting the method of adjusting Equalizer types. 1 Select Equalizer mode Press the [FM] or [AM] button. Select the "EQ" display . 2 Select the method of adjusting Equalizer types Press the [ 4 ] or [ ¢ ] button for at least 1 second. Each time the button is pressed for at least 1 second, method of adjusting Equalizer type switches as sho[...]
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Page 25
Noise can be reduced when stereo broadcasts are received as monaural. Display Setting "MONO Off" The monaural reception is OFF . "MONO On" The monaural reception is ON. Monaural Reception <In FM reception> <In T uner mode> Sets the tuning mode. T uning mode Display Operation Auto seek "Auto 1" Automatic sea[...]
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Page 26
Basic Operations of remote <In CD/MP3/External disc control mode> Setting the displayed text scroll. Display Setting "SCL Auto" Repeats scroll. "SCL Manu" Scrolls when the display changes. The text scrolled is shown below . • CD text • Folder name/ File name/ Song title/ Artist name/ Album name • MD title T ext Scrol[...]
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Page 27
[ 4 ]/ [ ¢ ] buttons Do <DPSS (Direct Program Search System)> (page 18). [ 38 ] button Plays the reverse side of the tape. [FM] button Fast forwards the tape. When the [ 38 ] button is pressed it releases. [AM] button Rewinds the tape. When the [ 38 ] button is pressed it can be released. [0] — [9] buttons When in <DPSS with the Remote&[...]
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Page 28
[ 4 ]/ [ ¢ ] buttons Doing track/ file forward and backward. [DISC+]/ [DISC–] buttons Doing disc/ folder forward and backward. [ 38 ] button Each time the button is pressed the song pauses and plays. [0] — [9] buttons When in <Direct T rack Search> (page 21) and <Direct Disc Search> (page 21), enter the track/disc number . In Disc [...]
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Page 29
— 29 — — 29 — The use of any accessories except for those provided might result in damage to the unit. Make sure only to use the accessories shipped with the unit, as shown above. 1. T o prevent a short circuit, remove the key from the ignition and disconnect the - battery . 2. Make the proper input and output wire connections for each unit[...]
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Page 30
English — 30 — — 30 — Connecting Wires to T erminals + + + + – + P.CONT ILLUMI FRONT R FRONT L REAR L REAR R ANT CONT FRONT NON FADING REAR KENWOOD disc changer control input To connect the Disc changer , consult your Disc changer manual. NOTE FM/AM antenna input Fuse (10A) Wiring harness (Accessory 2 ) White/Black Gray/Black Green/Black [...]
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Page 31
— 31 — — 31 — Installation Installation ■ When performing a check of the CD operation prior to installation, place this unit in a horizontal position and perform a loading/eject of the CD. 2 CAUTION Install onto the car bracket using the supplied screws (M5 × 6 mm, M5 × 7 mm). The holes of the car bracket to use will differ depending on[...]
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Page 32
English — 32 — What might seem to be a malfunction in your unit may just be the result of slight misoperation or miswiring. Before calling service, first check the following table for possible problems. General ? The power does not turn ON. 01 ✔ The fuse has blown. ☞ After checking for short circuits in the wires, replace the fuse with one [...]
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Page 33
— 33 — T uner source ? Radio reception is poor . 39 ✔ The car antenna is not extended. ☞ Pull the antenna out all the way . ✔ The antenna control wire is not connected. 40 ☞ Connect the wire correctly , referring to the section on <Connecting Wires to T erminals> (page 30). ? The desired frequency can’ t be entered with the Dire[...]
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Page 34
English — 34 — ? Can’ t remove disc. 64 ✔ The cause is that more than 10 minutes has elapsed since the vehicle ACC switch was turned OFF . ☞ The disc can only be removed within 10 minutes of the ACC switch being turned OFF . If more than 10 minutes has elapsed, turn the ACC switch ON again and press the Eject button. ? The disc won’ t i[...]
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Page 35
— 35 — ? The songs in the selected folder aren’ t played in Folder Select mode. 77 ✔ There are no MP3 in the selected folder . ☞ Make sure there’ s recorded content in the MP3 media. ? The MP3 File/Folder search takes time. 78 ✔ Many files are recorded on the media. ☞ When the media directory is complex, the file/folder search can t[...]
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Page 36
English — 36 — Error 99: Something is wrong with the disc magazine. Or the unit is malfunctioning for some reason. E99 ➪ Check the disc magazine. And then press the reset button on the unit. If the "Error 99" code does not disappear , consult your nearest service center . Hold: The protective circuit in the unit activates when the t[...]
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Page 37
— 37 — Specifications Specifications subject to change without notice. FM tuner section Frequency range (50 kHz space) ..............87.5 MHz – 108.0 MHz Frequency range (200 kHz space) ............87.9 MHz – 107.9 MHz Usable sensitivity (S/N = 30 dB) ................9.3dBf (0.8 µV / 75 Ω ) Quieting Sensitivity (S/N = 50 dB) ............[...]
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Page 38
DPX-MP4050(M-TKR)(E) 2003.02.14 09:03 AM Page 38[...]