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The rules should oblige the seller to give the purchaser an operating instrucion of Cobra Electronics CPI 475, 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 Electronics CPI 475 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 Electronics CPI 475. 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 Electronics CPI 475 should contain:
- informations concerning technical data of Cobra Electronics CPI 475
- name of the manufacturer and a year of construction of the Cobra Electronics CPI 475 item
- rules of operation, control and maintenance of the Cobra Electronics CPI 475 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 Electronics CPI 475 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 Electronics CPI 475, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Cobra Electronics 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 Electronics CPI 475.
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 Electronics CPI 475 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
Customer Assistance A1 Our Thanks to Y ou Our Thanks to Y ou I ntroduction Thank you for purchasing the Cobra CPI 475 inverter . Properly used, this Cobra product will give you many years of reliable service. How Y our Cobra Power Inverter Works The Cobra power inverter is an electronic product that has been designed and built to take low voltage D[...]
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Page 2
17 Maintenance • Very little maintenance is required to keep the inverter operating properly . The exterior of the unit should be cleaned periodically with a damp cloth to prevent accumulation of dust and dirt. At the same time, tighten the screws on the DC input terminals. Be sure vents and fans are free of dust or debris. Product Service • If[...]
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1 I ntroduction Important Safety Information Important Safety Information • Before installing and using your Cobra power inverter , please read these general precautions and warnings. Caution and W arning Statements T o make the most of this inverter , it must be installed and used properly . Please read the installation and operating instruction[...]
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WARNING Power inverters contain components that can produce arcs or sparks. T o prevent fire or explosion, do not install the inverter in areas or compartments containing batteries or flammable materials or in locations that require ignition- protected equipment. WARNING T o reduce the risk of fire, do not cover or obstruct the ventilation openings[...]
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5 4 Quick Evaluation Before Installation I ntroduction £ A test load that can be plugged into the AC receptacle on the inverter for short term testing at a low power level. T o check your inverter’ s performance before installation: 1. T urn the inverter off (see page 11 for details). If the power source is a DC power supply , switch it off as w[...]
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7 6 Connecting Cables Mounting • T o mount your inverter: 1. Place the inverter on a flat surface with the mounting bracket against the mounting surface. 2. Mount to secure surface using mounting hardware that is corrosion resistant (not included). The inverter can be mounted horizontally or vertically . Connecting Cables • Power wire and wirin[...]
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9 8 WARNING Y ou may obser ve a spark when making the connection because current can flow to charge the capacitors in the inverter . Do not make this connection in the presence of flammable fumes. Explosion or fire may result. Thoroughly ventilate the battery compartment before making this connection. 3. Connect cable to the power source: a. Connec[...]
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Page 8
Power Consumption • For each piece of equipment you will be operating from the inverter , you must determine the batter y’ s reserve capacity (how long the battery can deliver a specific amount of current — in automotive batteries, usually 25 amperes) or ampere-hour capacity (a measure of how many amperes a battery can deliver for a specified[...]
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13 12 Power and Protection Indicators • The power and protection indicators include a green light, a red light and an alarm. Green Light Power on – The green light should remain on steady . Red Light and / or Alarm Current overload – The red light will blink continuously , then the inverter will shutdown. The inverter will continue to check f[...]
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15 14 T roubleshooting Guide O peration Specifications O peration Specifications • Continuous output power (1 hour) . . . . . . . . . . . . 400W Surge rating (0.1 second) . . . . . . . . . . . . . . . . . . . 800W Peak efficiency (12V – 1⁄2 load) . . . . . . . . . . . . . . > 88% Efficiency (full load, 12V) . . . . . . . . . . . . . . . . [...]
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Page 11
16 Limited T wo-Y ear Warranty • For Products Purchased in the U.S.A. Cobra Electronics Corporation warrants that its Cobra power inverter , and the component parts thereof, will be free of defects in workmanship and materials for a period of two years from the date of first consumer purchase. This warranty may be enfor ced by the first consumer [...]