Go to page of
Similar user manuals
-
Home Security System
JVC VU-V856KIT
1 pages 0.18 mb -
Home Security System
JVC TH-A25
50 pages 1.59 mb -
Home Security System
JVC UX-H300
86 pages 2.74 mb -
Home Security System
JVC VN-H257U
4 pages 1.85 mb -
Home Security System
JVC Color Video Monitor Jvc TM21A2U
12 pages 0.3 mb -
Home Security System
JVC TM21A2U
12 pages 0.28 mb -
Home Security System
JVC CA-EXD1
88 pages 5.51 mb -
Home Security System
JVC UX-5000
21 pages 0.54 mb
A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of JVC VN-H257U, 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 JVC VN-H257U 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 JVC VN-H257U. 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 JVC VN-H257U should contain:
- informations concerning technical data of JVC VN-H257U
- name of the manufacturer and a year of construction of the JVC VN-H257U item
- rules of operation, control and maintenance of the JVC VN-H257U 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 JVC VN-H257U 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 JVC VN-H257U, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the JVC 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 JVC VN-H257U.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the JVC VN-H257U 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
-
Page 1
1 LST1234-001D ☞ Continued overleaf VN-H257U VN-H237U Safety precautions The power rating is AC 24 V , 50/60 Hz/PoE (VN-H257U) or PoE (VN-H237U). Use the correct voltage. Always use the AC 24 V power source that is insulated from the primary power supply . (VN-H257U) A level of supplied power that exceeds the ratings may result in failures, smoke[...]
-
Page 2
2 Mounting the Camera When mounting the camera with cables pulled out from the side If you cannot cut a large enough hole in the ceiling or walls, connect by pulling the cables out through the opening in the side of the camera body . Power cable (VN-H257U) Alarm cable (VN-H257U) Audio cable (VN-H257U) LAN cable Monitor output cable ☞ Continue to [...]
-
Page 3
3 T urn on the power After all connections and installations are completed, turn on the power of the unit. When the camera is booting, the [ST A TUS] indicator lights up orange. It lights up green after booting. Adjust the field angle and focus 1 Adjust the zoom ratio. Loosen the fastening screw of the zoom adjustment ring, then move the ring to th[...]
-
Page 4
4 Specifications * The specifications and appearance of this unit are subject to change for purposes of improvement without prior notice. VN-H257U VN-H237U Camera section Image sensor 1/3-inch Square-Pixel Progressive Scan CMOS (elementary color filter) Effective pixels Approximately 2,120,000 pixels 1944 (H) x 1092 (V) Minimum illuminance of subje[...]