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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Omega Vehicle Security OM-420, 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 Omega Vehicle Security OM-420 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 Omega Vehicle Security OM-420. 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 Omega Vehicle Security OM-420 should contain:
- informations concerning technical data of Omega Vehicle Security OM-420
- name of the manufacturer and a year of construction of the Omega Vehicle Security OM-420 item
- rules of operation, control and maintenance of the Omega Vehicle Security OM-420 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 Omega Vehicle Security OM-420 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 Omega Vehicle Security OM-420, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Omega Vehicle Security 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 Omega Vehicle Security OM-420.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Omega Vehicle Security OM-420 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
USING THE RPS-1in the OM-420 Omega Engineering Inc. 1 Stamford, CT USING THE RPS-1, RECHARGEABLE POWER SUPPLY IN THE OM-420 OVERVIEW: The RPS-1 is a self-contained battery power source for use in conjunction with the OM-320/420 System Base to power transducers requiring external power (e.g. Strain Gages, Pressure transducers, 4 to 20ma Loop Transmi[...]
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Page 2
USING THE RPS-1in the OM-420 Omega Engineering Inc. 2 Stamford, CT An integral State-of-Charge (SOC) indicator is provided which will display an approximate Battery State-of- Charge based on battery voltage under a fixed load. Test is actuated by depressing a momentary SOC Test Switch. HARDWARE / USER CONTROLS: Figure 1 illustrates the functional b[...]
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Page 3
USING THE RPS-1in the OM-420 Omega Engineering Inc. 3 Stamford, CT CONTROL INPUT Two terminal connections are provided for connection of a low voltage power supply control signal. This input signal controls the ON/OFF cycling of power supplies set to the AUTO mode. Typically, this control input is controlled by a OM-320/420 Digital Output. STATE-OF[...]
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Page 4
USING THE RPS-1in the OM-420 Omega Engineering Inc. 4 Stamford, CT The MODE switch (bottom or eighth switch) should be set for the desired operation, AUTO or ON. AUTO mode configures the supply to cycle ON and OFF per the state of the control signal coming from an external device (OM-320/420). When the CONTROL INPUT signal (connected on the four po[...]
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Page 5
USING THE RPS-1in the OM-420 Omega Engineering Inc. 5 Stamford, CT voltage is set to 12 VDC or higher output. For 12VDC or higher power supply OUTPUT VOLTAGE settings, the MAIN POWER SWITCH must be set to 24VDC. In the 12VDC mode, the two batteries are in parallel, hence the amp hour capacity is doubled (i.e. approx. 4AH). In the 24VDC mode, the tw[...]
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Page 6
USING THE RPS-1in the OM-420 Omega Engineering Inc. 6 Stamford, CT held down for approximately 10 seconds to dissipate any battery surface charge and give the most consistent reading. Best SOC readings are given with both power supplies off and no charging current. If the supplies are delivering current to an external load, the SOC will indicate sl[...]
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Page 7
USING THE RPS-1in the OM-420 Omega Engineering Inc. 7 Stamford, CT BATTERY REPLACEMENT NOTE: USE CAUTION IN WORKING WITH THE GEL-CELL BATTERIES TO PREVENT SHORTING OF THE TERMINALS OR WIRING AT ALL TIMES! Under reasonable operating conditions and temperatures, the two gel-cell batteries should provide several hundred charge/discharge cycles. When t[...]
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Page 8
USING THE RPS-1in the OM-420 Omega Engineering Inc. 8 Stamford, CT PROBLEM: Batteries are fully discharged. SOLUTION: Charge the batteries. SYMPTOM: STATE-OF-CHARGE INDICATOR SHOWS LESS THAN FULL PROBLEM: Batteries are slightly discharged SOLUTION: Charge PROBLEM: Power supplies are ON dropping the battery voltage SOLUTION: Turn off supplies before[...]