Acer AL1921 manual


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The rules should oblige the seller to give the purchaser an operating instrucion of Acer AL1921, 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 Acer AL1921. 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 Acer AL1921 should contain:
- informations concerning technical data of Acer AL1921
- name of the manufacturer and a year of construction of the Acer AL1921 item
- rules of operation, control and maintenance of the Acer AL1921 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 Acer AL1921 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 Acer AL1921, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Acer 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 Acer AL1921.

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It is mostly in the manuals where we will find the details concerning construction and possibility of the Acer AL1921 item, and its use of respective accessory, as well as information concerning all the functions and facilities.

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Table of contents for the manual

  • Page 1

    . TABLE OF CONTENTS FOR YOUR SAFETY -------------------------------------------------- 1 SAFETY PREC[...]

  • Page 2

    1 Before operating the monitor, pleas e read this manual thoroughly. This manual should be retained [...]

  • Page 3

    2 PRECA UTIONS z Do not use the monitor near wa ter, e.g. near a bathtub, washbow l, kitchen sink, l[...]

  • Page 4

    3 SPECIA L NOTES ON LCD MONITORS The following sy mptoms are normal with LCD monitor and do not indi[...]

  • Page 5

    4 INSTA LLA TION INSTRUCTIONS POWERCORD Pow er Source: 1. Make sure that the power cord is the corre[...]

  • Page 6

    5 C O N T R O LS AND C O NNEC T O RS CAB LE C O NNEC T IO NS T u r n o ff you r co m pu t e r b e f [...]

  • Page 7

    6 • For optimal viewing it is recommended to look at the full face of the monitor, then adjust the[...]

  • Page 8

    7 OPERA TING INSTRUCTIONS GENERAL INSTRUCTIONS Press the power button to turn the moni tor on or off[...]

  • Page 9

    8 FRONT PA NEL CONTROL • / Pow er Button: Press this button to turn the monitor ON or OFF, And dis[...]

  • Page 10

    9 1. Press the MENU-button to activate the OSD window . 2. Press < or > to select the desired [...]

  • Page 11

    10 III. Dual-Input Model, Digital Signal Input ADJUSTING THE PICTURE The descriptions for function c[...]

  • Page 12

    11 N/A English N/A 繁體中文 N/A Deutsch N/A Français N/A Español N/A Italiano N/A 简体中文[...]

  • Page 13

    12 HOW TO OPTIMIZE THE DOS-MODE PLUG AND PLAY Plug & Play DDC1/2B Feature This monitor is equipp[...]

  • Page 14

    13 TECHNICA L SUPPORT (FA Q) Problem & Question Possible Solution Powe r LED is not on *Check if[...]

  • Page 15

    14 Screen image is not centered or sized properly. *Adjust pixel frequency (CLOCK) and FOCUS or pres[...]

  • Page 16

    15 ERROR MESSAGE & POSSIBLE SOLUTION CA BLE NOT CONNECTED : 1. Check that the signal-cable is pr[...]

  • Page 17

    16 A PPENDIX SPECIFICA TIONS Driving system TFT Color LCD LCD Panel Size 4 8 cm(1 9 .0") Pi x e[...]

  • Page 18

    17 Switch • Auto Adjust Key • </Volume • >/ Volume • Powe r Button • MENU/ENTER Exte[...]

  • Page 19


  • Page 20

    19 15 6 10 11 15 15 - Pin Color Display Signal Cable PIN NO. DESCRIPTION PIN NO. DESCRIPTION 1. Red [...]