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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Crate GLX50, 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 Crate GLX50 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 Crate GLX50. 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 Crate GLX50 should contain:
- informations concerning technical data of Crate GLX50
- name of the manufacturer and a year of construction of the Crate GLX50 item
- rules of operation, control and maintenance of the Crate GLX50 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 Crate GLX50 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 Crate GLX50, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Crate 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 Crate GLX50.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Crate GLX50 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
User ’ s Guide GLX50 Dual Input Guitar Amplifier with Digital Signal Processing[...]
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Page 2
T ABLE OF CONTENTS: Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 The Digital Signal Processor . . . . . . . . . . . . . . . . . . . . .3 The Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4,5 Suggested Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 System Block Diagram . [...]
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Page 3
The Digital Signal Processor: Crate’s Digital Signal Processing of fers eight exciting digital effects, accessible through the DSP Mode control. The effects are described below . Use the Mode control to select the effect and the Level control to mix in the desired amount of each effect. 3 GLX50 Guitar Amplifier with Digital Signal Processing Cong[...]
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Page 4
The Front Panel: 4 1 3 5 6 7 8 9 10 4 2 NOTE: Channel A and Channel B are independent of each other up to the DSP and CD inputs. The text below (#1–10) applies to both channels. 1. INPUT : Use this 1/4” jack to connect your guitar to the amplifier by means of a shielded instru- ment cable. 2. TUNER A / TUNER B: Use this switch to assign the ele[...]
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Page 5
5 11 12 13 14 18 15 17 16 1 1. DSP MODE: Use this control to select one of the eight built-in digital effects. A listing of the effects is printed below the control knob. A brief description of these effects is shown on page 3 of this manual. 12: DSP LEVEL: Use this control to adjust the output level of the digital ef fect: in its fully counter- cl[...]
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Page 6
Suggested Settings: 6 CRYSTAL CLEAN: OUT PUNCHY CLEAN: OUT DIRTY PUNCH: IN DIRTY BLUES: IN EDGIE: IN SWEATY METAL: IN ARENA METAL: IN MAMMOTH METAL: IN GLX50 Guitar Amplifier with Digital Signal Processing[...]
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Page 7
System Block Diagram: 7 INPUT OVER- DRIVE CLEAN OD GAIN LEVEL POWER AMP SPEAKER CD INPUTS HIGH MID LOW EFFECTS OD LEVEL OD GAIN OD LEVEL LEVEL LEVEL MODE DSP MIX STAGE HEAD PHONES CHANNEL A: INPUT OVER- DRIVE CLEAN LEVEL HIGH MID LOW EFFECTS CHANNEL B: TUNER A BC D EF G GLX50 Guitar Amplifier with Digital Signal Processing[...]
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Page 8
GLX50 TECHNICAL SPECIFICA TIONS: Output Power Rating 50 watts RMS @5% THD, 4 ohm load Maximum Input Signal Accepted 5 volts peak-to-peak T otal System Gain Clean Channel 70dB, all controls @10 Overdrive Channel 1 10dB, all controls @10 Input Impedance 270k ohm T one Controls Low 28dB range @ 40Hz Mid 20dB range @ 1.5kHz High 27dB range @ 12kHz CD I[...]