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C620A/C422A/C622A/
C423A/C623A/C424A/
C624A/C624B/C624C/
C627A
Series LCD Monitor
User Guide

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Table of Contents
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Summary of Contents for Asus C624C Series

  • Page 1 C620A/C422A/C622A/ C423A/C623A/C424A/ C624A/C624B/C624C/ C627A Series LCD Monitor User Guide...
  • Page 2 Product warranty or service will not be extended if: (1) the product is repaired, modified or altered, unless such repair, modification of alteration is authorized in writing by ASUS; or (2) the serial number of the product is defaced or missing.
  • Page 3: Table Of Contents

    Contents Contents....................... iii Notices......................iv Safety.information..................vi Care.&.Cleaning..................vii Takeback.Services..................viii Chapter.1:..Product.introduction 1.1. Welcome!..................1-1 1.2. Package.contents................1-1 1.3. Monitor.introduction..............1-2 1.3.1 Front view ............... 1-2 1.3.2 Back view ................ 1-4 1.3.3 QuickFit Function ............1-5 Chapter.2:..Setup 2.1.
  • Page 4: Notices

    Notices Federal.Communications.Commission.Statement This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: • This device may not cause harmful interference, and • This device must accept any interference received including interference that may cause undesired operation.
  • Page 5 Congratulations! This product is TCO Certified for Sustainable IT TCO Certified is an international third party sustainability certification for IT products. TCO Certified ensures that the manufacture, use and recycling of IT products reflect environmental, social and economic responsibility. Every TCO Certified product model is verified by an accredited independent test laboratory.
  • Page 6: Safety.information

    Safety information • Before setting up the monitor, carefully read all the documentation that came with the package. • To prevent fire or shock hazard, never expose the monitor to rain or moisture. • Never try to open the monitor cabinet. The dangerous high voltages inside the monitor may result in serious physical injury.
  • Page 7: Care.&.Cleaning

    Care & Cleaning • Before you lift or reposition your monitor, it is better to disconnect the cables and power cord. Follow the correct lifting techniques when positioning the monitor. When lifting or carrying the monitor, grasp the edges of the monitor. Do not lift the display by the stand or the cord.
  • Page 8: Takeback.services

    These documents are not part of the standard package. Takeback Services ASUS recycling and takeback programs come from our commitment to the highest standards for protecting our environment. We believe in providing solutions for our customers to be able to responsibly recycle our products, batteries and other components as well as the packaging materials.
  • Page 9: Welcome

    Thank you for purchasing the ASUS LCD monitor! The latest widescreen LCD monitor from ASUS provides a broader, brighter and crystal-clear display, plus a host of features that enhance your viewing experience. With these features, you can enjoy the convenience and delightful visual...
  • Page 10: Monitor.introduction

    Monitor introduction 1.3.1. Front.view C422A/C423A/C424A C620A/C622A/C623A/C624A/C624B/ C624C/C627A Menu Menu Close Close Quick Fit Quick Fit Brightness Brightness Blue Light Filter Blue Light Filter Power button/power indicator • Turns the monitor on/off. • The color definition of the power indicator is as the below table. Status Description White...
  • Page 11 60 seconds. When the user comes back, the power resumes automatically when it detects the user’s presence. The default setting of Human sensor is “Off”. User can activate this function through OSD settings. ASUS C Series LCD Monitor...
  • Page 12: Back View

    1.3.2. Back.view C422AQE/C423AQE/C424AQE C422AQ/C423AQ/C424AQ 7 8 9 C620AQE/C622AQE/C623AQE/C624AQE C620AQ/C622AQ/C623AQ/C623AQR/C624AQ/C624BQ 7 8 9 C624C 7 8 9 C627AQ 7 8 9 C622AQH/C623AQH/C624AQH/C624BQH Kensington.lock.slot. Power.switch. Press the switch to turn on/off power. AC-IN.port. This port connects the power cord. DisplayPort.in. This port is for connection with a DisplayPort compatible device.
  • Page 13: Quickfit Function

    Alignment Grid 1 Alignment Grid 2 Alignment Grid 2 Alignment Grid 1 Paper size QuickFit provides several commonly used standard paper sizes for users to view their documents in real size on the screen. ASUS C Series LCD Monitor...
  • Page 14 Letter Letter Photo size The various real photo sizes displayed in the QuickFit function provides photographers and other users to accurately view and edit their photos in real size on the screen. Photo 4x6, 3x5, 2x2 Photo 8x10, 5x7 8x10 Chapter 1: Product introduction...
  • Page 15: Assembling.the.monitor.arm/Base

    We recommend that you cover the table surface with soft cloth to prevent damage to the monitor. C422A/C423A/C424A C620A/C622A/C623A/C624A/C624B/C624C/C627A Detaching the arm/base (for VESA wall mount) The detachable arm/base of this monitor is specially designed for VESA wall mount. To detach the arm/base: ASUS C Series LCD Monitor...
  • Page 16 C422A/C423A/C424A Have the front of the monitor face down on a table. Remove the rubbers in the four screw holes. (Figure 1) Remove the base (Figure 2). Use a screwdriver to remove the screw on the hinge (Figure 3), then remove the hinge.
  • Page 17: Attaching/Removing The Minipc Kit (C620A/C622A/C623A/C624A/ C624B/C624C/C627A)

    The VESA wall mount kit (100 x 100 mm) is purchased separately. • Use only the UL Listed Wall Mount Bracket with minimum weight/load 22.7kg (Screw size: M4 x 10 mm) Attaching/Removing the MiniPC Kit (C620A/C622A/C623A/C624A/ C624B/C624C/C627A) Attaching the MiniPC Kit Removing the MiniPC Kit ASUS C Series LCD Monitor...
  • Page 18: Adjusting.the.monitor

    Adjusting the monitor • For optimal viewing, we recommend that you look at the full face of the monitor, then adjust the monitor to the angle that is most comfortable for you. • Hold the stand to prevent the monitor from falling when you change its angle. •...
  • Page 19: Connecting.the.cables

    Plug one end of the VGA/DVI/DisplayPort/HDMI/Mini DisplayPort cable to the monitor’s VGA/DVI/DisplayPort/HDMI/Mini DisplayPort jack. Connect the other end of the VGA/DVI/DisplayPort/HDMI/Mini DisplayPort cable to your computer's VGA/DVI/DisplayPort/HDMI/Mini DisplayPort jack. Tighten the two screws to secure the VGA/DVI connector. ASUS C Series LCD Monitor...
  • Page 20: Turning.on.the.monitor

    •. To.connect.the.audio.cable:.connect one end of the audio cable to the monitor’s Audio-in port, the other end to the computer’s audio-out port. •. To.use.the.earphone: connect the end with plug type to the monitor’s earphone jack when an HDMI or DisplayPort signal is fed. •.
  • Page 21: Osd.(On-Screen.display).Menu

    Highlight the desired sub-menu function and press to activate it. Press to change the settings of the selected function. To exit and save the OSD menu, press repeatedly until the OSD menu disappears. To adjust other functions, repeat steps 1-4. ASUS C Series LCD Monitor...
  • Page 22: Osd Function Introduction

    This function contains 7~8 sub-functions you can select for your preference. Each mode has the Reset selection, allowing you to maintain your setting or return to the preset mode. ASUS C622A Splendid Standard Mode VGA 1920 x 1080 @ 60Hz...
  • Page 23 Taking short and frequent breaks is more effective than a single longer break. • To minimize eye strain and dryness in your eyes, users should rest the eye periodically by focusing on objects that are far away. ASUS C Series LCD Monitor...
  • Page 24 Macular Degeneration). Blue light Filter to reduce 70% (max.) harmful blue light to avoiding CVS (Computer Vision Syndrome). Color. Set a desired color setting from this menu. ASUS C622A Color Standard Mode VGA 1920 x 1080 @ 60Hz Br i g h t n e ss...
  • Page 25 VividPixel: Enhances the outline of the displayed picture and generates high-quality images on screen. •. ASCR: Turns on/off the ASCR (ASUS Smart Contrast Ratio) function. •. Position.(Only.available.for.VGA.input): adjusts the horizontal position (H-Position) and the vertical position (V-Position) of the image. The adjusting range is from 0 to 100.
  • Page 26 Sound You can adjust Volume, Mute and Source from this menu. ASUS C622A Sound Standard Mode VGA 1920 x 1080 @ 60Hz V o l u m e M u t e S o u r c e •. Volume: the adjusting range is from 0 to 100.
  • Page 27 Keylock: To disable all function keys. Press the second button from the right over five seconds to cancel the key lock function. •. Auto.Source.Detection: Enables or disables the auto source detecting function. •. Information: Shows the monitor information. •. Power.Indicator: Turns the power LED indicator on/off. ASUS C Series LCD Monitor...
  • Page 28 Power.Key.Lock: Enables or disables the power key. •. All.Reset: “Yes” allows you to restore the default settings. Shortcut Defines the functions for Shortcut 1 and 2 buttons. ASUS C622A Shortcut Standard Mode VGA 1920 x 1080 @ 60Hz S ho rt c ut 1 S ho rt c ut 2 •.
  • Page 29: Specifications.summary

    C423AQ/C423AQE: Power On: < 22 W** (Typ.), Standby: < 0.5 W (Typ.), Power Off: 0 W (Switch off) C424AQ/C424AQE: Power On: < 22.97 W** (Typ.), Standby: < 0.5 W (Typ.), Power Off: 0 W (Switch off) Temperature.(Operating) 0˚C~40˚C ASUS C Series LCD Monitor...
  • Page 30 Temperature.(Non-operating) -20˚C~+60˚C Dimension. (W. x. H. x. D). with. C422AQ/C422AQE: 514 x 383 x 195 mm (machine), stand 576 x 442 x 120 mm (package) C423AQ/C423AQE: 548 x 403 x 195 mm (machine), 617 x 119 x 462 mm (package) C424AQ/C424AQE: 562 x 406 x 195 mm (machine), 632 x 127 x 465 mm (package) Weight.(Esti.)
  • Page 31 Earphone.jack Audio.input Speaker.(Built-in) 2 W x 2 Stereo, RMS USB.2.0.port Upstream x 1, Downstream x 2 (only for C620AQ/ C622AQ/C623AQ/C623AQR/C624AQ/C624BQ), Downstream x 3 (only for C624CQ) USB.3.0.port C622AQH/C623AQH/C624AQH/C624BQH: Upstream x 1, Downstream x 2 ASUS C Series LCD Monitor 3-11...
  • Page 32 Colors Black Power LED White (On)/Amber (Standby) Tilt +35˚~ -5˚ Pivot +90˚~ -90˚ Swivel +90˚~ -90˚ Height Adjustment 130 mm Kensington lock AC input voltage AC: 100~240V Power consumption C620AQ/C620AQE: Power On: < 15.74 W** (Typ.), Standby: < 0.5 W (Typ.), Power Off: 0 W (Switch off) C622AQ/C622AQE/C622AQH: Power On: <...
  • Page 33 Gold, TCO 7.0, Flicker Free, Low blue Light, TUV-GS, TUV-Ergo, CU, PSE, WEEE, EMC DoC, UkrSEPRO, MEPS, BSMI *Specifications are subject to change without notice. **measuring a screen brightness of 200 nits without audio/USB/Card reader connection. ASUS C Series LCD Monitor 3-13...
  • Page 34 C627A Panel.Type TFT LCD Panel.size 27” (16:9, 68.47 cm) wide screen Max..Resolution 2560 x 1440 Pixel.pitch 0.2331 mm x 0.2331 mm Brightness.(Typ.) 350 cd/m Contrast.Ratio.(Typ.) 1000:1 Contrast.Ratio.(Max.) 100,000,000:1 (with ASCR on) Viewing.angle.(H/V).CR>10 178˚/178˚ Display.colors 16.7 M Response.time < 5 ms SplendidPlus.Video.Enhancement SplendidPlus.selection 8 video preset modes...
  • Page 35 ErP, WEEE, TUV-GS, TUV-Ergo, ISO 9241-307, UkrSEPRO, CU, CCC, CEL, BSMI, RCM, MEPS, VCCI, PSE, PC Recycle, J-MOSS, KC, KCC, e-Standby, Energy Star , TCO7.0 , RoHs, Windows ® 7/8.1/10 WHQL, Flicker Free, Low Blue Light *Specifications.are.subject.to.change.without.notice. **measuring.a.screen.brightness.of.200.nits.without.audio/USB/Card.reader.connection. ASUS C Series LCD Monitor 3-15...
  • Page 36: Troubleshooting.(Faq)

    Troubleshooting (FAQ) Problem Possible.Solution Power LED is not ON • Press the button to check if the monitor is in the ON mode. • Check if the power cord is properly connected to the monitor and the power outlet. • Check if the power switch is ON. The power LED lights amber and there is •...
  • Page 37: Supported.operating.modes

    Pixel.Rate. OSD. Name Frequency. Frequency. (MHz) Display (kHz) (Hz) 480p 720 x 480 31.469 480p-60Hz 720p60 1280 x 720 74.25 720p-60Hz 576p 720 x 576 31.25 576p-50Hz 720p50 1280 x 720 37.5 74.25 720p-50Hz ASUS C Series LCD Monitor 3-17...
  • Page 38 C422A/C622A/C423A/C623A/C424A/C624A Resolution. Horizontal. Vertical.Frequency. Pixel.(MHz) Frequency Frequency.(KHz) (Hz) 640x480 31.47(N) 59.94(N) 25.18 640x480 35.00(N) 66.66(N) 30.24 640x480 37.87(N) 72.82(N) 31.5 640x480 37.5(N) 75.00(N) 31.5 720x400 31.47(N) 70.08(P) 28.32 800x600 35.16(P) 56.25(P) 36.00 800x600 37.88(P) 60.32(P) 40.00 800x600 48.08(P) 72.12(P) 50.00 800x600 46.86(P) 75.00(P)
  • Page 39 480p-60Hz 720p60 1280 x 720 74.25 720p-60Hz 576p 720 x 576 31.25 576p-50Hz 720p50 1280 x 720 37.5 74.25 720p-50Hz 1080p60 1920 x 1080 67.5 148.5 1080p-60Hz 1080p50 1920 x 1080 56.25 148.5 1080p-50Hz ASUS C Series LCD Monitor 3-19...
  • Page 40 C624C/C627A Resolution.Frequency Horizontal. Vertical.Frequency. Pixel.(MHz) Frequency.(KHz) (Hz) 640x480 31.47(N) 59.94(N) 25.18 640x480 35.00(N) 66.66(N) 30.24 640x480 37.87(N) 72.82(N) 31.5 640x480 37.5(N) 75.00(N) 31.5 720x400 31.47(N) 70.08(P) 28.32 800x600 35.16(P) 56.25(P) 36.00 800x600 37.88(P) 60.32(P) 40.00 800x600 46.86(P) 75.00(P) 49.50 1024x768 48.36(N) 60.00(N) 65.00...
  • Page 41 480p-60Hz 720p60 1280 x 720 74.25 720p-60Hz 576p 720 x 576 31.25 576p-50Hz 720p50 1280 x 720 37.5 74.25 720p-50Hz 1080p60 1920 x 1080 67.5 148.5 1080p-60Hz 1080p50 1920 x 1080 56.25 148.5 1080p-50Hz ASUS C Series LCD Monitor 3-21...
  • Page 42 DECLARATION OF CONFORMITY Per FCC Part 2 Section 2. 1077(a) Asus Computer International Responsible Party Name: , CA 94539. Address: 800 Corporate Way, Fremont Phone/Fax No: (510)739-3777/(510)608-4555 hereby declares that the product Product Name : LCD Monitor Model Number : C620A********, BE209*******...
  • Page 43 DECLARATION OF CONFORMITY Per FCC Part 2 Section 2. 1077(a) Asus Computer International Responsible Party Name: , CA 94539. Address: 800 Corporate Way, Fremont Phone/Fax No: (510)739-3777/(510)608-4555 hereby declares that the product Product Name : LCD Monitor Model Number : C422A*******, C622A********, BE229*******...
  • Page 44 DECLARATION OF CONFORMITY Per FCC Part 2 Section 2. 1077(a) Asus Computer International Responsible Party Name: , CA 94539. Address: 800 Corporate Way, Fremont Phone/Fax No: (510)739-3777/(510)608-4555 hereby declares that the product Product Name : LCD Monitor Model Number : C423A*******, C623A********, BE239*******...
  • Page 45 DECLARATION OF CONFORMITY Per FCC Part 2 Section 2. 1077(a) Asus Computer International Responsible Party Name: , CA 94539. Address: 800 Corporate Way, Fremont Phone/Fax No: (510)739-3777/(510)608-4555 hereby declares that the product Product Name : LCD Monitor Model Number : C424A*******, C624A********, BE249*******...
  • Page 46 DECLARATION OF CONFORMITY Per FCC Part 2 Section 2. 1077(a) Asus Computer International Responsible Party Name: , CA 94539. Address: 800 Corporate Way, Fremont Phone/Fax No: (510)739-3777/(510)608-4555 hereby declares that the product Product Name : LCD Monitor Model Number : C624B*******...
  • Page 47 DECLARATION OF CONFORMITY Per FCC Part 2 Section 2. 1077(a) Asus Computer International Responsible Party Name: Address: 800 Corporate Way, Fremont CA 94539. Phone/Fax No: (510)739-3777/(510)608-4555 hereby declares that the product Product Name : LCD Monitor Model Number : C627A, C627AQ, C627AQ-G, BE27A, BE27AQLB-G,...

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