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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Nady Systems SRA 2250, 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 Nady Systems SRA 2250 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 Nady Systems SRA 2250. 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 Nady Systems SRA 2250 should contain:
- informations concerning technical data of Nady Systems SRA 2250
- name of the manufacturer and a year of construction of the Nady Systems SRA 2250 item
- rules of operation, control and maintenance of the Nady Systems SRA 2250 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 Nady Systems SRA 2250 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 Nady Systems SRA 2250, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Nady Systems 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 Nady Systems SRA 2250.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Nady Systems SRA 2250 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
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Page 2
Contents F eatures ............................................... 1 W ar ning ................................................ 2 Controls and Connections ................ 3, 4 T ypical Set-up ....................................... 5 Specifications ........................................ 6 SRA SERIES Professional Power Amplifiers 1[...]
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Page 3
W ARNING – When using electr ic products, basic precautions should alwa ys be follow ed, including the follo wing: 1. Read all the instructions before using the product. 2. Do not use this product near water (e.g., near a bathtub, washbowl, kitchen sink, in a wet basement, or near a swim- ming pool, etc.) 3. This product should be used only with [...]
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Page 4
1. POWER SWITCH: T o turn the unit ON or OFF , press the upper or lower portion of this button. The LED in the switch will light to indicate that the unit is ON. CAUTION: Always turn on your power amplifier last, after all your other connected equipment, and always turn off your power amplifier before your other connected equipment. 2. MONITOR JACK[...]
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Page 5
10. STEREO/BRIDGE SELECT SWITCH: This is used to select "STEREO" or "BRIDGE" mode operation. Before switching, verify that the output’s connection is correct. The connections should be as follows: STEREO MODE: a. Mixer or EQ right channel line output to amplifier right channel line input b. Mixer or EQ left channel line output[...]
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Page 6
+ - SPEAKER 2 STEREO SET TO STEREO SPEAKER + - 4 Voltage 240V 120V Speaker Output Mode Bridged Stereo Input Unbalanced Input Balanced Channel 1 8 2 Impedance Output Speaker Channel 2 Impedance Input Balanced Input Unbalanced Ground + - + - SPEAKER + - EQUALIZER OR MIXER LINE OUT L R EQUALIZER OR MIXER LINE OUT L R SET TO MONO 4 Voltage 240V 120V Sp[...]
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Page 7
INPUTS: ONE XLR JACK & ONE 1/4” TRS PHONE JACK FOR EACH CHANNEL 47 KOHM BALANCED & 40 KOHMS UNBALANCED OUTPUTS: ONE 1/4” PHONE JACK & ONE P AIR BINDING POST SCREW TERMINALS FOR EACH CHANNEL SRA 2150: RMS 150W X 2 @ 4 OHMS / BRIDGED RMS 250W @ 8 OHMS SRA 2250: RMS 250W X 2 @ 4 OHMS / BRIDGED RMS 350W @ 8 OHMS LOWEST OUTPUT LOAD IMPED[...]
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Page 8
SER VICE FOR YOUR N AD Y A UDIO PRODUCT (U.S.) Should your N AD Y A UDIO Product require service, please contact the Nady Service Department via phone at (510) 652-2411 or E-mail at service@nadywireless.com. (INTERN A TION AL) For service, please contact the N AD Y A UDIO distributor in your country through the dealer from whom you purchased this p[...]