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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Cobra 200GTL DX, 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 Cobra 200GTL DX 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 Cobra 200GTL DX. 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 Cobra 200GTL DX should contain:
- informations concerning technical data of Cobra 200GTL DX
- name of the manufacturer and a year of construction of the Cobra 200GTL DX item
- rules of operation, control and maintenance of the Cobra 200GTL DX 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 Cobra 200GTL DX 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 Cobra 200GTL DX, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Cobra 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 Cobra 200GTL DX.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Cobra 200GTL DX 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
A1 English Our Thanks to Y ou and FCC License Required Owner’ s Manual AMA TEUR 10 METER MOBILE RADIO 20 0 GT L D X Printed in Philippines Part No. 480-217-P Version A Nothing comes close to a Cobra ® English Nothing comes close to a Cobra ® English © 2005 Cobra ® Electronics Corporation 6500 West Cortland Street Chicago, Illinois 60707 USA w[...]
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Page 2
A1 English Our Thanks to Y ou and FCC License Required Owner’ s Manual AMA TEUR 10 METER MOBILE RADIO 20 0 GT L D X Printed in Philippines Part No. 480-217-P Version A Nothing comes close to a Cobra ® English Nothing comes close to a Cobra ® English © 2005 Cobra ® Electronics Corporation 6500 West Cortland Street Chicago, Illinois 60707 USA w[...]
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Page 3
Press-T o-T alk Button (PTT) WARNING RISK OF ELECTRIC SHOCK. DO NOT OPEN. DO NOT REMOVE COVER OR BACK. NO USER SERVICEABLE PAR TS INSIDE. REFER TO SERVICING TO QUALIFIED SERVICE PERSONNEL. A3 English Microphone and Features A2 English Controls and Indicators Introduction Introduction Features • -- 4 341 Operating Frequencies Allows operation on a[...]
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Page 4
1 Nothing comes close to a Cobra ® Contents Introduction Introduction Our Thanks to Y ou . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A1 FCC License Required . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A1 Controls and Indicators . . . . . . . . . . . . . . . . . . . . .[...]
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Page 5
3 Nothing comes close to a Cobra ® 2 English Specifications Specifications Specifications • General Frequency Range 28.0 to 29.7 MHz Frequency Control Phase Lock Loop (PLL) synthesizer Frequency Stability 0.005% Operating T emperature Range -22°F to 122°F (-6°C to + 50°C) Antenna Impedance 50 ohms Antenna Connector Standard SO 239 type Micro[...]
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Page 6
5 Nothing comes close to a Cobra ® Installation and Connection 4 English Included in this Package Y our Mobile Radio Y our Mobile Radio Included in this Package • Y ou should find all of the following items in the package with your radio. Installation and Connection • Refer to the illustration on page A2 for connection points on the back of th[...]
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Page 7
7 Nothing comes close to a Cobra ® Installation and Connection 6 English Installation and Connection Installation and Connection • -- 4 Ignition Noise Interference Use of a mobile receiver at low signal levels is normally limited by the presence of electrical noise. The primary source of noise in automobile installations is from the generator an[...]
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Page 8
9 Nothing comes close to a Cobra ® Controls 8 English Installation and Connection and Operation Installation and Connection • If you are having difficulties in adjusting your antenna, check the following: 1. All doors must be closed when adjusting the antenna. 2. Make sure the antenna base is grounded. 3. Check your coaxial cable routing — it [...]
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Page 9
11 Nothing comes close to a Cobra ® Controls 10 English Controls Controls • -- 4 High Power Places the transmitter in high power (30 watts) mode when the button is pressed to the in position and in low power (4 watts) mode when the button is in the out position. -- 4 SWR / S/RF When this button is in the S/RF ( out ) position, the display meter [...]
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Page 10
13 Nothing comes close to a Cobra ® Frequency 12 English Frequency Frequency • Three controls and one indicator are used together to set and display the radio frequency on which your mobile radio will receive and transmit signals. In this connection, it is important to understand the frequency bands built into the unit and the way they are displ[...]
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Page 11
15 Nothing comes close to a Cobra ® Operating to Receive and T ransmit 14 English Indicators and Microphone Indicators • -- 4 Analog Meter The meter needle swings proportionally to the strength of the incoming signal or RF output power in receive or transmit modes. When used to tune the antenna or monitor the quality of the coaxial cable and RF [...]
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Page 12
17 Nothing comes close to a Cobra ® Alternate Microphones and Installation 16 English Maintenance and Government Regulatory Information Maintenance • The transceiver is specifically designed for the environment encountered in mobile installations. The use of all solid-state circuitry and its light weight result in high reliability . Should a fai[...]
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Page 13
Alternate Microphones and Installation • 19 Nothing comes close to a Cobra ® Alternate Microphones and Installation 18 English Alternate Microphones and Installation Alternate Microphones and Installation • T o wire the microphone cable to the plug provided, proceed as follows: 1. Remove the retaining screw . 2. Unscrew the housing from the pi[...]
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Page 14
21 Nothing comes close to a Cobra ® ARRL Q Signals 20 English ARRL Q Signals ARRL Q Signals • The most commonly used are shown bold . Some have slightly modified meanings in everyday usage. The official list follows. QRA What is the name of your station? The name of your station is ____. QRG Will you tell me my exact frequency (or that of ____)?[...]
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Page 15
23 Nothing comes close to a Cobra ® Product Service 22 English W arranty and T rademark Acknowledgement Limited T wo-Y ear Warranty • -- 4 For Products Purchased in the U.S.A. Cobra Electronics Corporation warrants that its Cobra radios, and the component parts thereof, will be free of defects in workmanship and materials for a period of two yea[...]
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Page 16
25 Nothing comes close to a Cobra ® Order Form and Optional Accessories Optional Accessories • Y ou can find quality Cobra products and accessories at your local Cobra dealer , or in the U.S.A., you can order directly from Cobra. Ordering from U.S.A. Call 773-889-3087 for pricing or visit www .cobra.com. For credit card orders, complete and retu[...]
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Page 17
A1 English Our Thanks to Y ou and FCC License Required Owner’ s Manual AMA TEUR 10 METER MOBILE RADIO 20 0 GT L D X Printed in Philippines Part No. 480-217-P Version A Nothing comes close to a Cobra ® English Nothing comes close to a Cobra ® English © 2005 Cobra ® Electronics Corporation 6500 West Cortland Street Chicago, Illinois 60707 USA w[...]