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The rules should oblige the seller to give the purchaser an operating instrucion of Xantech 490-85, 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.
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The term originates from the Latin word „instructio”, which means organizing. Therefore, in an instruction of Xantech 490-85 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 Xantech 490-85. 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.
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First and foremost, an user manual of Xantech 490-85 should contain:
- informations concerning technical data of Xantech 490-85
- name of the manufacturer and a year of construction of the Xantech 490-85 item
- rules of operation, control and maintenance of the Xantech 490-85 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 Xantech 490-85 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 Xantech 490-85, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Xantech 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 Xantech 490-85.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Xantech 490-85 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
08905105A - 1 - INSTALLATION INSTRUCTIONS 490-85 CLF / LCD Friendly Micr o Link IR Receiver DESCRIPTION The 490-85 is a CFL (compact fluoresc ent light) / LCD (liquid crystal di splay) version of the 490 Micro Link series IR receivers. It is specifically designed to have greater i mmunity to high frequency ballasted CFL and overhead fluorescent typ[...]
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Page 2
08905105A - 2 - IR CARRIER ADJUSTMENT The 490-85 is factory set to an IR carrier repeat frequency of 39kHz . This will be correct for the majority of installations. Howe ver, some manufacturer’s components that you wish to control may use different carrier frequencies (such as RCA DSS satell ite receivers that use 56kHz). If sure carrier frequenc[...]
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Page 3
08905105A - 3 - APPLICATION WIRING A typical system, with a 490-85, 781RG Power S upply and 283M Emitters plugged into a 791-44 Connecting Block, is shown in the figure below. 1. Plug the 3.5 mm stereo mini plug from the 490-85 into the 791-44 connecting block labeled “IR RCVR”. 2. Plug in the 3.5 mm mono mini plug from any of the 282, 284, 283[...]
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Page 4
08905105A - 4 - IR Troubleshooting Guide NOTE: Due to the many variables in a given installa tion, the troubleshooting counter measures you will have to take may vary from job to job. Each insta llation is different due to the number of IR receivers in use, length of wire runs, type of wire, amount of ambient IR noise present, etc…. Therefore, yo[...]
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Page 5
08905105A - 5 - Symptom #2: TB LED on IR Receiver (and/or Emitters) Dimly lit or flickering Cause: Solution 1. Signal and ground wir es are reversed or shorted either at the connecting block or IR receiver. Recheck your wiring. 2. Defective emitter. Replace Emitter 3. Relatively high levels of ambient noise . This can be due to any of the following[...]
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Page 6
08905105A - 6 - Symptom #3: TB LED on IR Receiver (and/or Emitters) on solid Cause: Solution 1. Plasma Interference Use a 490-90 Plasma 'Friendly' Receiver. If already using a 490-90 unit, please note the Plasma interference can be reflected off of any item it comes into contact with within approx. 3ft. From the front of the display. Keep[...]
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Page 7
08905105A - 7 - Symptom #4: TB LED on IR Rec. blinks but 283M or 286M 'Blink' style Emitters do not Cause: Solution 1. There may be a short, such as a staple driven through the Signal and GND wires of the IR Receiver and/or the emitter. Recheck your wiring. 2. Emitter may be shorted internally Replace Emitter or use TEST EMITTER to check [...]
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Page 8
08905105A - 8 - Symptom 6: Emitters function but some (or all) components do not respond. Cause: Solution 1. Emitter placement is incorrect. Reposition the Emitter so that it is directly over the components sensor window. Consult the components owners manual of the unit for the exact location of the IR Sensor Window. 2. Emitter placement is correct[...]
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Page 9
08905105A - 9 - Symptom #7: Absolutely No Functionality (How to determine which component is at fault) Step: Component to Test Instructions 1. Verify Power Supply With a Multimeter, measure the DC Voltage of the supply while it is connected to the Connecting Block. Put the Negative lead of the meter on the terminal marked GND and the Positive Lead [...]
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Page 10
08905105A - 10 - 4. Verify IR Receiver. Remove the power supply from the connecting block and all Emitters from the output. Place a jumper wire on the connecting block between IR Signal and GND. Reconnect the Power Supply. With a known good hand-held remote, shoot a constant IR Command at the receiver and verify the TB LED on the Receiver lights. X[...]