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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Curtis CR4975, 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 Curtis CR4975 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 Curtis CR4975. 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 Curtis CR4975 should contain:
- informations concerning technical data of Curtis CR4975
- name of the manufacturer and a year of construction of the Curtis CR4975 item
- rules of operation, control and maintenance of the Curtis CR4975 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 Curtis CR4975 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 Curtis CR4975, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Curtis 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 Curtis CR4975.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Curtis CR4975 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
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Page 1
STEREO RADIO, CD-R/R W PLA YER WITH ALARM CLOCK MODEL NO. CR4975 OWNER'S MANUAL PLEASE READ BEFORE OPERA TING THIS EQUIPEMNT[...]
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Page 2
SAFETY INSTRUCTIONS 1 CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER (OR BACK). NO USER-SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL. CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN DANGEROUS VOLTAGE The lightning flash with arrowhead symbol, within an equilateral triangle is intended to alert the user to[...]
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Page 3
2 Before using the unit, be sure to read all operating instructions carefully . Please note that these are general precautions and may not pertain to your unit. For example, this unit may not have the capabili- ty to be connected to an outdoor antenna. 1. READ INSTRUCTIONS All the safety and operating instructions should be read before the product [...]
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Page 4
3 SAFETY INSTRUCTIONS (CONTINUED) 15. OVERLOADING Do not overload wall outlets and extension cords as this can result in a risk of fire or electric shock. 16. OBJECT AND LIQUID ENTRY Never push objects of any kind into this product through openings as they may touch dangerous voltage points or short out parts that could result in fire or electric s[...]
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Page 5
INST ALLA TION Unrave l th e AC cord a nd c onnect it to a conv enientl y locate d AC outlet havi ng 120V and 60 Hz only. The Cloc k Display will illumina te and "12:00" will appear in the window . NOTE: If the AC plug does not fit into a nonpolari zed outle t, do n ot file or cut the wide blade. it is the user's respon sibilit y to [...]
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Page 6
5 LOCA TION OF CONTROLS FRONT/TOP SIDE 1 4 27 1 1 18 26 5 7 2 3 8 12 13 14 25 23 29 28 30 31 21 24 20 19 17 16 10 9 6 22 15 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 1 1. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. 29. 30. 31. SKIP Up Button VOLUM[...]
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Page 7
RADIO OPERA TION 6 TO PLA Y THE RADIO 1 Slide the AUTO/OFF/ON switch to the ON po sit io n t o t urn th e u nit on ; t he POWER indicator will light. 2 Slide the FUNCTION switch 2 to t he desired band (AM or FM). 3 T une a station by turning the TUNING control. If you tune a station broadcasting in stereo, the FM STEREO indication will light. 4 Adj[...]
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Page 8
T o play a disc from the beginning, press th e PL A Y /P AU SE ( / ) bu tt on ; t he PLA Y/RAND indicator will light. Press the PLA Y/P AUSE ( / ) button again to pause playback; the PLA Y/RAND indicator will blink. Press the PLA Y/P AUSE ( / ) button once again to continue playback. CD OPERA TION 7 TO PLA Y A CD 1 Slide the AUTO/OFF/ON switch to t[...]
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Page 9
T o repeat all of the tracks on a disc continuously , press the REAPEA T button 1 twice; the REPEA T indicator will light. Press the PLA Y/P AUSE ( / ) button 2 to begin playback. All tracks will be repeated continuously. TO CANCEL , press the REPEA T button 1 again; the REPEA T indicator will turn off. T o repeat a single track, press the REPEA T [...]
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Page 10
Press and hold the CLOCK SET button. CLOCK/ALARM SETTING 9 TO SET OR RESET THE ACTUAL TIME 1 2 Press and h old the HR (Hour) 1 button to set the hour and the MIN (Minute) button 2 t o se t th e m inu te s. W hen setting the hours, make sure the PM indicator is lit if it is PM and not lit if it is AM. Release the CLOCK SET button 3 . 1 2 3 Press and[...]
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Page 11
CLOCK/ALARM SETTING (CONTINUED) 10 TO SET THE ALARM TO W AKE TO RADIO Set the alarm time as previously instructed. Slide the FUNCTION switch 1 to the AM or FM ST . position, select a radio station and make sure the VOLUME control 2 is set as desired. 1 2 Slide the AUTO/OFF/ON 1 switch to the AUTO position and the BUZZER/MUSIC switch 2 to the MUSIC [...]
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Page 12
CLOCK/ALARM SETTING (CONTINUED) 1 1 TO SET THE ALARM TO W AKE TO BUZZER Set the alarm time as previously instructed. Slide the BUZZER/MUSIC switch to the BUZZER position. 1 2 Slide the AUTO/OFF/ON 1 switch to the AUTO position and the BUZZER/MUSIC switch 2 to the BUZZER position. With th e po we r off , wh en t he a ctu al t im e matches the select[...]
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Page 13
CLOCK/ALARM SETTING (CONTINUED) 12 TO ACTIV A TE THE SLEEP FUNCTION DIMMER BUTTON Slide the AUTO/OFF/ON switch to the AUTO position. 1 2 Press the SLEEP button to turn the unit on and select a 59 minutes sleep period; "59" will appear in the display and the SLEEP indicator will light. 3 4 T o cancel Sleep time, press the SNOOZE button. Ho[...]
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Page 14
CARE AND MAINTENANCE 13 Caring for Compact Discs • T reat the disc carefully . Handle the disc only by its edges. Never allow your fingers to come in contact with the shiny , unprinted side of the disc. • Do not attach adhesive tape, stickers, etc. to the disc label. • Clean the disc periodically with a soft, lint-free, dry cloth. Never use [...]
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Page 15
TROUBLESHOOTING GUIDE 14 If you experience a problem with this unit, check the chart below before calling for service. SYMPTOM Unit will not turn on. Disc will not play. No sound. Erratic playback. T ime reset to "12:00" Alarm does not turn on. AM or FM, no sound. CAUSE AC cord not connected. CD compartment door not closed. Disc inserted [...]
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Page 16
SPECIFICA TIONS 15 General: Power Source Battery Audio Power Output Radio Section: Frequency Range (FM) Frequency Range (AM) CD Section: Disc Diameter Optical Source W avelength 120V AC, 60Hz 9V DC (for back up of the clock) 1 W att/Ch. 88 - 108 MHz 530 - 1710 KHz 4.72" (120mm) 3.15" (80mm) Single CD Semiconductor Laser 780nm Specificatio[...]