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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Velleman DVM321, 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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Unfortunately, only a few customers devote their time to read an instruction of Velleman DVM321. 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 Velleman DVM321 should contain:
- informations concerning technical data of Velleman DVM321
- name of the manufacturer and a year of construction of the Velleman DVM321 item
- rules of operation, control and maintenance of the Velleman DVM321 item
- safety signs and mark certificates which confirm compatibility with appropriate standards
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Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of Velleman DVM321 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 Velleman DVM321, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Velleman 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 Velleman DVM321.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Velleman DVM321 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
DVM321 DIGITAL HUMIDITY & TEMPERAT URE METER DIGITALE VOCH TIGHEIDS- & TEMPE RATUUR METER MÈTRE NUMÉ RIQUE D’HUMIDITÉ ET DE TEMPÉR ATURE MEDIDOR DIG ITAL DE HUMEDAD & TEMPERATURA DIGITALES THE RMO-/HYGROMETER IGROMETRO/TE RMOMETRO DIGITAL E USER MANUA L GEBRUIKERS HANDLEIDING NOTICE D’EMPL OI MANUAL DE L USUARIO BEDIENUNGS ANLEI[...]
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Page 2
DVM321 VELLEMAN 2[...]
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Page 3
DVM321 VELLEMAN 3 DVM321 – DIGITAL HUMIDITY & TEMPERATURE METER 1. Introduction To all residents of the European Union Important environmental information about this product This symbol on the device or the package indicates that dispo sal of the device after its lifecycle could harm the environment. Do not dispose of the unit (or batteries) [...]
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Page 4
DVM321 VELLEMAN 4 4. Operating Instructions 1. Hold the DVM321 in the area to be tested and allow adequate time for the readings to stabilize. 2. Press the function switch (fig. above #4) to se lect %RH , ° C or ° F. Set the MIN or MAX function (#3) if needed. 3. Read the measurement results. • Do not immerse the measuring head in liquid ; it i[...]
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Page 5
DVM321 VELLEMAN 5 3. Onderdelen & toets en (zie figuur) 1. Meetkop 2. LCD-scherm met %RH, ° F en ° C aanduiding, verklikker zwakke batterij ("BAT" + icoon), MIN/MAX + HOL D aanduiding. 3. Toets MAX/MIN/DATA HOLD: druk deze kort in om te wisselen tussen MIN, MAX en normale weergave. Hou de toets 2 seconden ingedrukt om DATA HOLD aan [...]
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Page 6
DVM321 VELLEMAN 6 Temps de réponse ............. ............ 180 s Fréquence d’échantillonnage .. ....... 2.5 fois par seconde Polarité . .............. .............. ............. . automatique, avec indication de polarité négative (-) Surcharge .......... .............. .............. . indication "OL" Résolution .......... .[...]
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Page 7
DVM321 VELLEMAN 7 2. Especificaciones Pantalla . .............. ............. .............. LCD co n retroiluminación Tipo de sensor: Humedad .... .............. ............. ...... sensor de precisión para la capacidad Temperatura .......... .............. ........ termistor (cabeza de medida) y so nda de temperatura tipo K Rango de medida: Hu[...]
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Page 8
DVM321 VELLEMAN 8 DVM321 – DIGITALES THERMO-/HYGROMETER 1. Einführung An alle Einwohner der Europäisc hen Union Wichtige Umweltinformationen über diese s Produkt Dieses Symbol auf dem Produkt oder der Verpackung zeigt an, dass die Entso rgung dieses Produktes nach seinem Lebenszyklus der Umwelt Schaden zufügen kann . Entsorgen Sie die Einheit[...]
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Page 9
DVM321 VELLEMAN 9 3. Lesen Sie die Messwerte vom Display ab • Der Tastkopf ist nicht untertauchbar, sondern ist nur für Messungen in Luft konzipiert worden. • Den Tastkopf keinem direkten Sonnenlich t aussetzen und den Feuchtigkeitssensor nicht berühren oder manipulieren. • Wenn das Batterie-Symbol erscheint, ist d ie Batterie zu schwach f?[...]
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Page 10
DVM321 VELLEMAN 10 3. Descrizione 1. Testa di misurazione 2. Display LCD con indicazioni %RH, ° F e ° C, b atteria scarica ("BAT" + icona), MIN/MAX e HOLD. 3. Tasto MAX/MIN/DATA HOLD: premere brevemente per selezionare la funzione MIN, MAX e memorizzazione. Tenere premuto per 2 secondi il tasto HOL D per abilitar e/disabilitare la memor[...]