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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Sensory Science 7405, 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 Sensory Science 7405 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 Sensory Science 7405. 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 Sensory Science 7405 should contain:
- informations concerning technical data of Sensory Science 7405
- name of the manufacturer and a year of construction of the Sensory Science 7405 item
- rules of operation, control and maintenance of the Sensory Science 7405 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 Sensory Science 7405 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 Sensory Science 7405, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Sensory Science 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 Sensory Science 7405.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Sensory Science 7405 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
Sensoray Model 7405 STDbus Analog Output Card 01/10/2000 INSTRUCTION MANUAL Sensoray Co., Inc. 7313 SW Tech Center Dr., Tigard, Oregon 97223 voice: 503.684.8005, fax: 503.684.8164, e-mail: sales@sensoray.com www.sensoray.com MANUAL426[...]
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Page 2
Sensoray Model 7405 Instruction Manual — Page 2 Limited Warranty Sensoray Company, Incorporated (Sensoray) warrants the model 7405 hardware to be free from defects in material and workmanship and perform to applicable published Sensoray specifications for two years from the date of shipment to purchaser. Sensoray will, at its option, repair or re[...]
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Page 3
Sensoray Model 7405 Instruction Manual — Page 3 Hardware Configuration The Model 7405 requires the installation of programming shunts to select various options such as I/O port addresses and channel operating modes. This section describes these configuration options. After configuring the option shunts, the Model 7405 may be installed in your STD[...]
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Sensoray Model 7405 Instruction Manual — Page 4 Programming Model The Model 7405 board occupies two contiguous I/O ports in the STDbus I/O space. Both ports may be written to, and the base port has a read function as well. Analog output data and channel number is written to the A and B registers, while the status register is used by the host proc[...]
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Sensoray Model 7405 Instruction Manual — Page 5 Channel connections should be made as illustrated in the following diagram, regardless of the selected channel output mode. Calibration Although the 7405 analog section is factory calibrated at Sensoray, you may find that a periodic calibration is in order to compensate for circuit drift over time. [...]
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Page 6
Sensoray Model 7405 Instruction Manual — Page 6 Sample Drivers These sample driver functions, written in C/C++, assume that all channels are configured for the voltage output mode. With minor modification, these drivers can be made to work with channels that are set up for current output mode operation. #define BUSY 0xC0 // Handshake status bit m[...]
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Page 7
1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 A A B B C C D D ZERO REGISTER MEM ADRS REG STATE REGISTER ADDRESS BOARD SELECT JUMPERS INSTALL FOR CURRENT OUTPUT 0500067S B MODEL 7405 STD 8-CHANNEL DAC SENSORAY COMPANY, INCORPORATED B 1 2 Monday, December 16, 1996 Title Size Document Number Rev Date: Sheet of SHEET 2 500067S2 +12V -12V DGND D[0..11] AGND SAMPLE* A[...]
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1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 A A B B C C D D VOLTAGE REFERENCE SAMPLE/HOLD GAIN INSTALL FOR CURRENT OUTPUT 3.750V 0500067S B MODEL 7405 STD 8-CHANNEL DAC SENSORAY COMPANY, INCORPORATED B 2 2 Tuesday, January 21, 1997 Title Size Document Number Rev Date: Sheet of VR0 VI0 VR1 VI1 VI0 VI1 VI2 V0 V1 V2 VR2 VI2 VRJUNCT VR3 VI3 VR4 VI4 VR5 VI5 VR6 VI6[...]