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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Dual XD5120, 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 Dual XD5120 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 Dual XD5120. 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 Dual XD5120 should contain:
- informations concerning technical data of Dual XD5120
- name of the manufacturer and a year of construction of the Dual XD5120 item
- rules of operation, control and maintenance of the Dual XD5120 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 Dual XD5120 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 Dual XD5120, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Dual 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 Dual XD5120.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Dual XD5120 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
INSTALLATION/OWNER'S MANUAL AM/FM/CD Receiver XD5 1 20[...]
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Page 2
XD5120 INSTALLATION Preparation Please read entire manual before installation. Before You Start • Disconnect negative battery terminal. Consult a qualified technician for instructions. • Avoid installing the unit where it would be subject to high temperatures, such as from direct sunlight, or where it would be subject to dust, dirt or e[...]
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Page 3
XD5120 INSTALLATION Installation 3 TYPICAL MOUNTING METHOD[...]
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Page 4
XD5120 INSTALLATION Wiring Diagram 4 FUSES When replacing fuses, make sure new fuse is the correct type and amperage. Using an incorrect fuse could damage the radio. The XD5120 uses one 7 amp AGC fuse (Battery), one 0.5 amp AGC fuse (Ignition) and one 0.5 amp AGC fuse (Remote Turn-on) located in-line. * Caution - Do not attach any speaker leads [...]
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Page 5
XD5120 OPERATION Control Locations 5 Release Power Band Audio Volume Up Eject Volume Down Track Up Track Down Play/Pause Loudness/CD Random Local/Distance/CD Repeat Mono/Stereo/CD Intro Mute EQ Display Tuning 8 10 11 12 13 17 7 1 1 2 3 4 5 6 10 11 12 13 14 15 7 2 3 4 14 16 5 6 9 15 8 9 16 17[...]
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Page 6
XD5120 OPERATION 6 General Operation Press RELEASE and pull away from the left side to remove. To re-install, insert right side of faceplate first then push left side to secure. Pres s POWE R to turn the unit on. Inse rtin g a CD will turn the unit on autom atic ally . Pres s POWE R to turn the unit off. Insert a CD or press l / II to begin o[...]
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Page 7
XD5120 OPERATION General Operation 7 Press and hold DISP until the clock begins to flash, then release. Press TRA CK to adjust the hours and TRACK to adjust the minutes. Press DISP momentarily to save the selected time. Press EQ to select between POP, CLASSIC, ROCK and OFF (default) equaliza[...]
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Page 8
XD5120 OPERATION Tuner Operation 8 Turn TUNE knob to select desired station. Press MONO during FM tuner operation to select mono or stereo (default) reception of the broadcast signal. Press LOC during FM tuner operation to activate local tuning for strong station reception only. Press LOC again to cancel and resume Distance tuning (default). [...]
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Page 9
XD5120 OPERATION CD Player Operation 9 With the label facing up, insert a disc into the CD slot. The CD will automatically begin playback. Press the EJECT button to stop and eject the CD. The unit will change to tuner mode. If the disc is not removed within 10 seconds, the unit will reload the disc. Press TRACK to skip to the beginning of t[...]
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Page 10
XD5120 WARRANTY Limited One Year Warranty 10 This warranty gives you specific legal rights. You may also have other rights which vary from state to state. Dual Electronics Corp. warrants this product to the original purchaser to be free from defects in material and workmanship for a period of one year from the date of the original purch[...]
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Page 11
XD5120 OPERATION Specifications 11 Frequency response: 20Hz-20kHz Channel separation @ 1kHz: >50dB D/A converter: 1 Bit Tuning range: 87.5MHz-107.9MHz Usable sensitivity: 15dBf 50dB quieting sensitivity: 23dBf Stereo separation @ 1kHz: 25dB Frequency response: 80Hz-10kHz Tuning range: 530kHz-1720kHz AM sensitivity: 30uV Frequency response:[...]
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Page 12
XD5120 OPERATION Troubleshooting Problem Cause Action Unit will not turn on (no power) Yellow or red wire not connected or incorrect voltage Check connections for proper voltage (11~16VDC) Black wire not connected Check connection to ground Fuse blown Replace fuse Unit has power (but no sound) Speaker wires not connected[...]