Garmin 21 FM TMC manual

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A good user manual

The rules should oblige the seller to give the purchaser an operating instrucion of Garmin 21 FM TMC, 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 Garmin 21 FM TMC 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 Garmin 21 FM TMC. 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 Garmin 21 FM TMC should contain:
- informations concerning technical data of Garmin 21 FM TMC
- name of the manufacturer and a year of construction of the Garmin 21 FM TMC item
- rules of operation, control and maintenance of the Garmin 21 FM TMC 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 Garmin 21 FM TMC 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 Garmin 21 FM TMC, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Garmin 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 Garmin 21 FM TMC.

Why one should read the manuals?

It is mostly in the manuals where we will find the details concerning construction and possibility of the Garmin 21 FM TMC 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

  • Page 1

    The Garmin ® GTM ™ 21 FM TMC T raffic Receiver receives T raffic Message Channel (TMC) information broadcast over the FM radio data system. When a traffic message is received, your Garmin GPS device displays the incident on the map and can change your route to avoid the traffic incident. For coverage areas, refer to the Garmin W eb site at w[...]

  • Page 2

    Connecting Y our GTM 21 1. Remove the power cable from your Garmin GPS 2. Connect the cable on the GTM 21 to the power connector on your Garmin GPS. Route on windscreen using the suction cups. T o power connector on Garmin GPS T o 12-Volt receptacle in vehicle Power LED Status LED Antenna 3. Plug the other end into a 12-V olt receptacle. 4. Use the[...]

  • Page 3

    Avoiding Traffi c The Map page shows a when there is a traffi c incident on your current route or on the road you are traveling on. T ouch the to view the traffi c information. T ouch a traffi c incident to review it. T ouch A void to route around the incident. V iewing T raffi c Information Each GPS device provides a list of traffi c inciden[...]

  • Page 4

    The T raffic Subscription Code cannot be reused; you must obtain a new code each time you renew your service. The code is specific for the GTM 21 it was purchased for; it cannot be used on multiple GTM 21 devices. Register your GTM 21 V isit our W eb site at www .garmin.com and click the Product Registration link to register your GTM 21. Keep you[...]