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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Kenwood KAC-X621, 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 Kenwood KAC-X621 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 KAC-X621. 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 KAC-X621 should contain:
- informations concerning technical data of Kenwood KAC-X621
- name of the manufacturer and a year of construction of the Kenwood KAC-X621 item
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- 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 Kenwood KAC-X621 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 KAC-X621, 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 KAC-X621.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Kenwood KAC-X621 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
KA C-X621 KA C-PS621 KA C-X521 KA C-PS521 STEREO/BRIDGEABLE PO WER AMPLIFIER INSTR UCTION MANU AL © B64-2798-00/00 (MV) 1.KAC-X621_M_1US.indd 04.1.9, 2:12 PM 1[...]
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Page 2
2 English Sa fety pre cautions 2 W ARNING T o prev ent injur y or fire, take the following precautions: • When extending the ignition, batter y, or ground wires, mak e sure to use automotive- grade wires or other wires with a 8 mm² (A WG 8) or more to prevent wire deterioration and damage to the wire coating. • T o prevent a shor t circuit, ne[...]
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Page 3
English 3 ?[...]
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Page 4
4 English � Connection CENTER UNIT (CD receiver , etc.) RCA cable ground terminal RCA cable* Lead terminal* Left speaker Right speaker [...]
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Page 5
English 5 Controls 1 Fuse (K AC- X621/PS621 : 25 A × 3 , KA C-X521/PS521 : 30 A × 2) 2 Battery terminal 3 Ground terminal 4 Pow er control terminal Controls the unit ON/OFF . NOTE Controls the unit power . Be sure to connect it with all the systems . 5 Speaker output t erminals • Stereo C onnec tions: When you wish to use the unit as a stereo a[...]
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Page 6
6 English ?[...]
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Page 7
English 7 Con trol an Amp from Cen ter Unit Y ou can control the sound by controlling amplifiers from the Center Unit. 1 Enter AMP Control mode Select the AMP Control mode by following the ' AMP Control' procedure given on the Operation Manual of the Center Unit. NOTE Use the set item and value operation buttons by f ollowing the instruct[...]
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Page 8
8 English [...]
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Page 9
English 9 T roubleshooting Guide What might appear 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. PROBLEM POSSIBLE CAUSE SOL UTION No sound. (No sound from one side.) (Blown fuse.) • I nput (or output) cables are disconnect[...]
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Page 10
1.KAC-X621_M_1US.indd 04.1.9, 2:13 PM 10[...]