Sony D-F21 manual

Go to page of 24

A good user manual

The rules should oblige the seller to give the purchaser an operating instrucion of Sony D-F21, 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.

What is an instruction?

The term originates from the Latin word „instructio”, which means organizing. Therefore, in an instruction of Sony D-F21 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 Sony D-F21. 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 Sony D-F21 should contain:
- informations concerning technical data of Sony D-F21
- name of the manufacturer and a year of construction of the Sony D-F21 item
- rules of operation, control and maintenance of the Sony D-F21 item
- safety signs and mark certificates which confirm compatibility with appropriate standards

Why don't we read the manuals?

Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of Sony D-F21 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 Sony D-F21, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Sony 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 Sony D-F21.

Why one should read the manuals?

It is mostly in the manuals where we will find the details concerning construction and possibility of the Sony D-F21 item, and its use of respective accessory, as well as information concerning all the functions and facilities.

After a successful purchase of an item one should find a moment and get to know with every part of an instruction. Currently the manuals are carefully prearranged and translated, so they could be fully understood by its users. The manuals will serve as an informational aid.

Table of contents for the manual

  • Page 1

    FM/AM Por table CD Player Operating Instructions About the area code The area code of the location in which you purchased the CD player is shown on upper left of the bar code label on the package. For accessories supplied with your CD pla yer , check the area code of your model and see “ Accessories (supplied/optional). ” 3-237-161- 21 (1) D-F2[...]

  • Page 2

    2 W ARNING T o prevent fir e or shock hazard, do not expose the unit to rain or moisture. Do not install the appliance in a confined space, such as a bookcase or b uilt-in cabinet. T o prev ent fire , do not cov er the ventilation of the apparatus with newspapers, ta ble- cloths, curtains, etc. And don ’ t place lighted candles on the apparatus. [...]

  • Page 3

    3 T able of Contents Getting started Locating the controls ................................... 4 Playing a CD 1 . Connect your CD player . ......................... 6 2 . Insert a CD. ............................................. 6 3 . Play a CD. ............................................... 6 Playback options .................... 8 Using the rad[...]

  • Page 4

    4 Getting star ted Locating the contr ols For details, see pages in parentheses. CD player (front) 1 i (headphones) jack (page 6) 7 Display (pages 8 - 14) 4 V OLUME control (page 6) 5 MENU/PRESET + button (pages 8, 11, 12) 2 OPEN button (page 6) 3 SOUND/ PRESET – button (pages 11 - 13) qa DC IN 4.5 V (external po w er input) jack (page 18) 8 u (p[...]

  • Page 5

    5 CD player (inside) qg A VLS switch (page 14) CD player (r ear) qf ESP switch (page 13) Getting started qh E13/2 model: MONO/ST (stereo) switch (page 10) Other models: LOCAL/DX switch (page 10) qk Battery compartment (page 17) qj STEP switch (page 12)[...]

  • Page 6

    6 3 . Play a CD. Adjust the volume. Press u . 2 . Insert a CD. 1 Press OPEN to open the lid. 2 Place the CD on the tray and close the lid. OPEN button Label side up Playing a CD Y ou can also use dry batteries as a power source. Headphones or Earphones to i (headphones) 1 . Connect your CD player . 1 Connect the AC po wer adaptor . 2 Connect the he[...]

  • Page 7

    7 T o Press Play/Pause u Stop x * 2 Find the beginning of the current track (AMS* 1 ) . once quickly* 2 Find the beginning of the pre vious tracks (AMS) . repeatedly* 2 Find the beginning of the next track (AMS) > once quickly* 2 Find the beginning of the succeeding tracks (AMS) > repeatedly* 2 Go backwards quickly Hold do wn . * 2 Go forward[...]

  • Page 8

    8 Playback options Y ou can enjoy various w ays of playback using MENU. Display Play mode indication MENU button Each time you press the b utton, you can change the playback mode. No indication (Normal play) “ ” (Play all tracks repeatedly)* “1” (Play a single track) “ 1” (Play a single track repeatedly) “ SHUF” (Play tracks in rand[...]

  • Page 9

    9 Using the radio Once you ’ v e preset the stations, you can easily tune in the station by pressing PRESET + or – button. Listening to the radio Y ou can enjoy FM and AM programs. 1 Press RADIO ON•BAND to turn on the radio. 2 Press RADIO ON•BAND until the band you want appears. Each time you press the b utton, the display changes as follow[...]

  • Page 10

    10 Listening to the radio T o improve br oadcast reception For FM, extend the headphones/earphones cord. For AM, reorient the CD player itself. Note Keep the headphones/earphones connected to the i jack of the CD player . The headphones/earphones cord works as the FM antenna. If it is hard to hear the FM br oadcast For the models equipped with the [...]

  • Page 11

    11 Presetting radio stations Y ou can store radio stations into the CD player ’ s memory . Y ou can preset up to 30 stations, 5 for each band (FM1 - 5 and AM) in any order . 1 Press RADIO ON•BAND to turn on the radio. 2 Press RADIO ON•BAND to select the band. 3 Hold down MEMOR Y until “PRESET” flashes in the display . From this step on, s[...]

  • Page 12

    12 Presetting radio stations T o cancel all preset stations 1 Disconnect the power source (alkaline batteries or AC po wer adaptor). 2 While you press and hold down MEMOR Y , insert alkaline batteries or connect the AC po wer adaptor again. The indications in the display keep flashing until all preset stations are cleared, then stop flashing and di[...]

  • Page 13

    13 Emphasizing the bass sound (SOUND) Y ou can emphasize the bass-boosted sound. Press SOUND to select “ BASS ” or “ BASS . ” “ BASS ” enhances the bass sound more than “ B ASS . ” Notes • If the sound is distorted when using the SOUND function, turn down the v olume. • When listening to the radio, the SOUND function does not wo[...]

  • Page 14

    14 Protecting your hearing (A VLS) The A VLS (Automatic V olume Limiter System) function keeps down the maxim um volume to protect your hearing. Set A VLS (under the lid) to “ LIMIT . ” T o turn off the A VLS function Set A VLS to “ NORM. ” Displayed when “ LIMIT ” is selected and AVLS function is activated. Locking the controls (HOLD) [...]

  • Page 15

    15 T ur ning of f the operation beep sound Y ou can turn off the beep sound that is heard from your headphones when you operate your CD player . 1 Remove the power source (AC power adaptor or dry batteries) from the CD player . 2 Connect the power source while pressing x on the CD player . T o turn on the beep sound Remove the po wer source and the[...]

  • Page 16

    16 Connecting a ster eo system Y ou can listen to CDs through a stereo system and record CDs on a cassette tape. For details, see the instruction manual that comes with the connected device . Be sure to turn off all connected de vices before making connections. Stereo system, cassette recorder , radio cassette recorder , etc. B Connecting your CD p[...]

  • Page 17

    17 Y ou can use the following po wer sources: • A C power adaptor (see “ Pla ying a CD ” ) • LR6 (size AA) alkaline batteries For the battery life, see “ Specifica tions. ” Using the dry batteries Use only the following dr y battery type for your CD player: • LR6 (size AA) alkaline batteries Note Be sure to remov e the A C power adapt[...]

  • Page 18

    18 Notes on the power source Disconnect all power sources when the CD player is not used. On AC power adaptor • Use only the AC power adaptor supplied or recommended in “ Accessories (supplied/ optional). ” Do not use any other AC po wer adaptor . It may cause a malfunction. Polarity of the plug • When disconnecting the A C power adaptor fr[...]

  • Page 19

    19 Precautions On safety • Should any solid objects or liquid fall into the CD player , unplug it and hav e it checked by qualified personnel befor e operating it any further . • Do not put any foreign objects in the DC IN 4.5 V (e xternal power input) jack. On the CD player • Keep the lens on the CD player clean and do not touch it. If you d[...]

  • Page 20

    20 T roubleshooting Should any problem persist after you ha ve checked these symptoms, consult your nearest Son y dealer . CD player Symptom The volume does not increase even if the VOLUME control is adjusted to the maximum level. No sound, or noise is heard. The playing time is too short when powered with the dry batteries. When you press u , “ [...]

  • Page 21

    21 Radio Symptom The audio is weak or has poor quality . Cause and/or corrective actions c Replace the batteries with new LR6 (size AA) alkaline batteries. (page 17) c Move the CD player a way from the TV . Additional information[...]

  • Page 22

    22 Specifications CD player System Compact disc digital audio system Laser diode properties Material: GaAlAs W avelength: λ = 780 nm Emission duration: Continuous Laser output: Less than 44.6 µW (This output is the value measured at a distance of 200 mm from the objectiv e lens surface on the optical pick-up block with 7 mm aperture.) D-A convers[...]

  • Page 23

    23 Battery life* (approx. hours) (When you use the CD player on a flat and stable surface.) Playing time varies depending on ho w the CD player is used. When using ESP RADIO on off on T wo Sony alkaline 24 25 66 batteries LR6(SG) * Measured value by the standard of JEIT A (Japan Electronics and Information T echnology Industries Association). **Cha[...]

  • Page 24

    Sony Corporation Printed in China[...]