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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Unwind DT-920, 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 Unwind DT-920 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 Unwind DT-920. 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 Unwind DT-920 should contain:
- informations concerning technical data of Unwind DT-920
- name of the manufacturer and a year of construction of the Unwind DT-920 item
- rules of operation, control and maintenance of the Unwind DT-920 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 Unwind DT-920 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 Unwind DT-920, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Unwind 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 Unwind DT-920.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Unwind DT-920 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
OPERATING INSTRUCTIONS AM/FM SYNTHESIZER TUNER DT-920 Please follow the instructions in this manual t o obtain th e optimum result s f r o m this unit. We also recommend that y ou k eep this manual handy f o r future reference. TO A Corporation[...]
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Page 2
CONTENTS TO US E YOUR U N I T PROPERLY AN D SAFELY ACCESSORIES CONNECTIONS CONTROLS LISTENING T O T H E RADIO FREQUENCY UP/DOWN TUNING DIRECT TUNING AUTOMATIC OR MANUAL PRESET TUNING LISTENING T O PRESET STATIONS MAINTENANCE TROUBLESHOOTING GUIDE SPECIFICATIONS 1 1 2 3 3 3 4 4 5 6 6 6 T O US E YOUR UNIT PROPERLY AN D SAFELY - Do not damage the powe[...]
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Page 3
WARNING: TO PREVENT FIRE OR SHOCK HAZARD, D O N O T EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE. RISK OF ELECTRIC SHOCK DO NOT OPEN These markings ar e located on the bottom, side or back of t h e unit. CAUTION: TO PREVENT THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER (OR BACK). NO USER- SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVIC[...]
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Page 4
CONTROLS 1 . Power button (POWER) 2. Channel/Frequency select button (CH/FREQ) 3. Display (MULTI-FUNCTION DISPLAY) 4. Band se le ct button (BAND) 5. Tuning button (DOWN TUNING U P) 6 . Preset tuning buttons (PRESET) 7 . Direct-in button (DIRECT I N) 8. Memory button (MEMORY) 9 . Scan level button (SCAN LEVEL) 1 0 . Automatic/Manual tuning select bu[...]
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Page 5
DIRECT TUNING 1 . Press t he BAND button t o select A M o r FM . 2. Press the DIRECT I N button. " F M ---. - - MHz" o r " AM - - - - kHz" appears an d blinks. 3 . Press the PRESET buttons ( 1 - 0 ) to enter t he frequency of a broadcast station. Example: FM 98.1 MHz... Press 9, 8 and 1 . FM 103.5 MHz... Press 1 , 0, 3 an d 5. A[...]
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Page 6
LISTENING T O PRESET STATIONS Program stations as described i n "AUTOMATIC OR MANUAL TUNING." Using th e TUNING "UP" or "DOWN" button Using th e PRESET button 1 . Press t he CH/FREQ button to select the channel mode. ("FREQ" disappears.) 2. Press the TUNING "UP" o r "DOWN" button until th [...]
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Page 7
MAINTENANCE Cleaning th e cabinet Us e a clean so f t cloth moistened with plain l ukewarm water an d wrung dry. Never u s e benzol, benzene o r other strong chemical cleaners since these could damage th e finish o f yo u r unit. I t i s important th a t n o liquid reaches the inside o f th e unit. WARNING: FO R YOUR PERSONAL S AF E TY , B E SURE T[...]
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Page 8
F CC INFORMATION This device complies with Part 1 5 of th e FCC Rules. Operation is subject to the condition that this device do es no t cause harmful interference. CAUTION: Changes or modifications no t expressly approved by TOA may void the user's authority to operate this equipment. Printed in Hong Kong 1AD6P1P0022--A TO A Corporation[...]