User manual ACER M230M

[. . . ] 6 SCREEN POSITION ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 WALL MOUNTING (OPTINAL). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 CONNECTING THE POWER CORD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 SAFETY PRECAUTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] Users are also at risk of physical injury after long hours of working in front of a computer. Long work periods, bad posture, poor work habits, stress, inadequate working conditions, personal health and other factors greatly increase the risk of physical injury. Incorrect computer usage may lead to carpal tunnel syndrome, tendonitis, tenosynovitis or other musculoskeletal disorders. The following symptoms may appear in the hands, wrists, arms, shoulders, neck or back: numbness, or a burning or tingling sensation aching, soreness or tenderness pain, swelling or throbbing stiffness or tightness coldness or weakness If you have these symptoms, or any other recurring or persistent discomfort and/or pain related to computer use, consult a physician immediately and inform your company's health and safety department. The following section provides tips for more comfortable computer use. Finding your comfort zone Find your comfort zone by adjusting the viewing angle of the monitor, using a footrest, or raising your sitting height to achieve maximum comfort. Observe the following tips: refrain from staying too long in one fixed posture avoid slouching forward and/or leaning backward stand up and walk around regularly to remove the strain on your leg muscles take short rests to relax your neck and shoulders avoid tensing your muscles or shrugging your shoulders install the external display, keyboard and mouse properly and within comfort able reach if you view your monitor more than your documents, place the display at the center of your desk to minimize neck strain EN- 3 X243HQ Taking care of your vision Long viewing hours, wearing incorrect glasses or contact lenses, glare, excessive room lighting, poorly focused screens, very small typefaces and low-contrast displays could stress your eyes. The following sections provide suggestions on how to reduce eyestrain. Eyes Rest your eyes frequently. Display Give your eyes regular breaks by looking away from the monitor and focusing on a distant point. Blink frequently to keep your eyes from drying out. Keep your head at a higher level than the top edge of the display so your eyes point downward when looking at the middle of the display. Adjust the display brightness and/or contrast to a comfortable level for enhanced text readability and graphics clarity. The recovery time from Active OFF state back to ON state is around 5 seconds. DDC To make your installation easier, the monitor is able to Plug and Play with your system if your system also supports DDC protocol. The DDC (Display Data Channel) is a communication protocol through which the monitor automatically informs the host system about its capabilities, for example, supported resolutions and corresponding timing. The monitor supports DDC2B standard. EN- 9 X243HQ CONNECTOR PIN ASSIGNMENT 15-Pin Color Display Signal Cable PIN NO. 8. DESCRIPTION Red Green Blue Monitor Ground DDC-return R-Ground G-Ground B-Ground PIN NO. 15. DESCRIPTION +5V Logic Ground Monitor Ground DDC-Serial Data H-Sync V-Sync DDC-Serial Clock EN- 10 X243HQ 24-Pin Color Display Signal Cable PIN 1. Meaning TMDS Data2TMDS Data2+ TMDS Data 2/4 Shield TMDS Data4TMDS Data4+ DDC Clock DDC Data Analogue Vertical Sync TMDS Data1TMDS Data1+ TMDS Data 1/3 Shield TMDS Data3PIN 13. Meaning TMDS Data3+ +5V Power GND(return for +5V hsync. vsync) Hot Plug Detect TMDS Data0TMDS Data0+ TMDS Data 0/5 TMDS Data5TMDS Data5+ TMDS Clock Shield TMDS Clock+ DDC TMDS Clock- EN- 11 X243HQ STANDARD TIMING TABLE Mode 1 2 3 4 5 6 7 8 9 10 11 12 VGA VGA VESA SVGA SVGA XGA XGA VESA WXGA SXGA WXGA+ UXGA Resolution 640 x 480 640 x 480 720 x 400 800 x 600 800 x 600 1024 x 768 1024 x 768 1152 x 864 1280 x 800 1280 x 1024 1440 x 900 1920 x 1080 60 66. 6 70 56 60 60 70 75 60 60 60 60 Hz Hz Hz Hz Hz Hz Hz Hz Hz Hz Hz Hz EN- 12 X243HQ INSTALLATION To install the monitor to your host system, please follow the steps as given below: Steps 1. Make sure both the monitor and computer are powered-OFF. Connect the VGA video cable to the computer. Acer eColor Management If selected to "Acer eColor Management" item, will appear the Acer eColor" OSD B. USER If selected to "USER" item, will appear the Standard OSD I. [. . . ] Check if AC power cord is properly connected to the monitor. Check if video signal cable is properly connected at the back of monitor. Check if the power of computer system is ON. Check if the specification of graphics adapter and monitor is in compliance which may be causing the input signal frequency mismatch. [. . . ]