C620A/C422A/C622A/ C423A/C623A/C424A/ C624A/C624B/C624C/ C627A Series LCD Monitor User Guide
First Edition June 2015 Copyright © 2015 ASUSTeK COMPUTER INC. All Rights Reserved. No part of this manual, including the products and software described in it, may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language in any form or by any means, except documentation kept by the purchaser for backup purposes, without the express written permission of ASUSTeK COMPUTER INC. (“ASUS”).
Contents Contents....................................................................................................... iii Notices.......................................................................................................... iv Safety information....................................................................................... vi Care & Cleaning.......................................................................................... vii Takeback Services..................................
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. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules.
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.
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. • If the power supply is broken, do not try to fix it by yourself. Contact a qualified service technician or your retailer.
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. • Cleaning. Turn your monitor off and unplug the power cord. Clean the monitor surface with a lint-free, non-abrasive cloth. Stubborn stains may be removed with a cloth dampened with mild cleaner.
Where to find more information Refer to the following sources for additional information and for product and software updates. 1. ASUS websites The ASUS websites worldwide provide updated information on ASUS hardware and software products. Refer to http://www.asus.com 2. Optional documentation Your product package may include optional documentation that may have been added by your dealer. These documents are not part of the standard package.
1.1 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 experience that the monitor brings to you! 1.
1.3 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 7 5 6 1. 3 2 1 Power button/power indicator • Turns the monitor on/off. • The color definition of the power indicator is as the below table. 2. Status Description White Amber Off On Standby mode Off Menu button: • Press this button to display the OSD menu when the OSD is off.
5. Shortcut • Press this button to display the OSD menu when the OSD is off. • Default: Brightness hotkey • To change the hotkey function, go to the Shortcut > Shortcut 1 menu. Shortcut 6. 7. • Press this button to display the OSD menu when the OSD is off. • Default: Blue light filter hotkey • To change the hotkey function, go to the Shortcut > Shortcut 2 menu. Human Sensor (only for C623AQR): • Detects user’s presence in front of the monitor screen.
1.3.2 Back view C422AQE/C423AQE/ C424AQE 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 9 1 2 3 7 8 4 5 11 6 1 2 3 7 8 4 5 11 6 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 9 1 2 3 4 11 6 7 8 9 10 1 2 3 5 1 2 3 7 8 C422AQ/C423AQ/ C424AQ 10 C422AQH 10 9 C422AQHE C620AQE/C622AQE/ C623AQE/C624AQE C620AQ/C622AQ/ C623AQ/C623AQR/ C624AQ/C624BQ 10 C624C 10 C627AQ 11 4 4 5 12 7 8 9 10 10 C622AQH/C623AQH/ C624AQH/C624BQH 1-4 11 1. Kensington lock slot. 2.
4. DisplayPort in. This port is for connection with a DisplayPort compatible device. 5. DVI port. This 24-pin port is for PC (Personal Computer) DVI-D digital signal connection. 6. VGA port. This 15-pin port is for PC VGA connection. 7. Audio-in port. This port connects PC audio source by the bundled audio cable. 8. Earphone jack. This port is only available when an HDMI/DisplayPort cable is connected. 9. USB upstream port. This port is for connection with a USB upstream cable.
A4 B5 B5 A4 Letter Letter 3. 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.
2.1 Assembling the monitor arm/base To assemble the monitor base: 1. Have the front of the monitor face down on a table. 2. Attach the base into the arm, making sure the tab on the arm fits into the groove on the base. 3. Fix the base to the arm by fastening the bundled screw. 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 2.
C422A/C423A/C424A 1. Have the front of the monitor face down on a table. 2. Remove the rubbers in the four screw holes. (Figure 1) 3. Remove the base (Figure 2). 4. Use a screwdriver to remove the screw on the hinge (Figure 3), then remove the hinge. 1 2 (Figure 1) (Figure 2) 1 2 (Figure 3) C620A/C622A/C623A/C624A/C624B/C624C/C627A 1. Have the front of the monitor face down on a table. 2. Press the release button, and then detach the arm/base from the monitor (Figure 2).
We recommend that you cover the table surface with soft cloth to prevent damage to the monitor. 2.3 • 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.
2.4 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. • C422A/C423A/C424A: The recommended adjusting angle is +20 to -5˚. • C620A/C622A/C623A/C624A/C624B/C624C: You can adjust the monitor’s angle from +35˚ to -5˚and it allows 90˚ swivel adjustment from either left or right.
It is normal that the monitor slightly shakes while you adjust the viewing angle. 2.5 Connecting the cables Connect the cables as the following instructions: • To connect the power cord: Connect one end of the power cord securely to the monitor’s AC input port, the other end to a power outlet. • To connect the VGA/DVI/DisplayPort/HDMI/Mini DisplayPort cable: a. Plug one end of the VGA/DVI/DisplayPort/HDMI/Mini DisplayPort cable to the monitor’s VGA/DVI/DisplayPort/HDMI/Mini DisplayPort jack. b.
• 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. • To use the USB 2.0 ports: Take the supplied USB 2.0 cable, and plug the smaller end (type B) of the USB upstream cable to the monitor’s USB upstream port, and the larger end (type A) to your computer’s USB 2.0 port.
3.1 OSD (On-Screen Display) menu 3.1.1 How to reconfigure Splendid Standard Mode ASUS C622A VGA 1920 x 1080 @ 60Hz Scenery Mode Standard Mode Theater Mode Night View Mode sRGB Mode Reading Mode Darkroom Mode 1. Press any button (except the Power button) to display the OSD menu. 2. Press the 3. Press the buttons as indicated on the screen to navigate through the to activate it. If the functions.
3.1.2 1. OSD function introduction Splendid 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.
• Reading Mode: This is the best choice for book reading. • Darkroom Mode: This is the best choice for a weak ambient light environment. 2. • In the Standard mode, the following function(s) are not user-configurable: Saturation, Skin Tone, Sharpness, ASCR. • In the sRGB mode, the following function(s) are not user-configurable: Brightness, Contrast, Saturation, Color Temp., Skin Tone, Sharpness, ASCR.
3. • Eye exercises can help to reduces eye strain. Repeat these exercises often. If eye strain continues please consult a physician. Eye exercises: (1) Repeating look up and down (2) Slowly roll your eyes (3) Move your eyes diagonal. • High energy blue light may lead to eye strain and AMD (Age-Related 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.
4. Image Set the image related setting from this menu. Image Standard Mode ASUS C622A VGA 1920 x 1080 @ 60Hz Sharpness Trace Free Aspect Control VividPixel ASCR Position F o c us Auto Adjust • Sharpness: The adjusting range is from 0 to 100. • Trace Free: Adjusts the response time of the monitor. • Aspect Control: Adjusts the aspect ratio to full, 4:3, 1:1 (optional) or OverScan (optional). 4:3 is only available when input source is in 4:3 format.
5. Sound You can adjust Volume, Mute and Source from this menu. Sound Standard Mode ASUS C622A VGA 1920 x 1080 @ 60Hz Volume Mute Source 6. • Volume: the adjusting range is from 0 to 100. • Mute: toggles the monitor sound between on and off. • Source: decides the monitor sound comes from which source. Input Select In this function, you can select your desired input source.
7. System Setup Allows you to adjust the system. System Setup Standard Mode ASUS C622A VGA 1920 x 1080 @ 60Hz Splendid Demo Mode ECO Mode USB Charging OSD Setup Language Key Lock Information More • Splendid Demo Mode: Splits the screen into two for Splendid modes comparison. (Scenery mode only) • ECO Mode: reduces power consumption.
• Human Sensor (only for C623AQR): turns on/ off the Human Sensor function and adjusts its sensitivity. The effective range is from 50 to 70 cm. The default setting is Off. * Low: Sensor distance is around 50 cm. * Medium: Sensor distance is around 60 cm. * High: Sensor distance is around 70 cm. • The detective range may be slightly different if user wears dark or bright colored clothing. Set the sensitivity to High when wearing black or other dark clothes.
3.2 Specifications summary C422A/C423A/C424A Panel Type Panel size Max. Resolution Pixel pitch Brightness (Typ.) Contrast Ratio (Typ.) Contrast Ratio (Max.) Viewing angle (H/V) CR>10 Display colors Response time SplendidPlus Video Enhancement SplendidPlus selection Auto adjustment Color temperature selection Analog input Digital input Earphone jack Audio input Speaker (Built-in) USB 2.0 port USB 3.
Power consumption Temperature (Operating) C422AQ/C422AQE/C422AQH/C422AQHE: Power On: < 21.09 W** (Typ.), Standby: < 0.5 W (Typ.), Power Off: 0 W (Switch off) 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.
C620A/C622A/C623A/C624A/C624B/C624C Panel Type Panel size Max. Resolution Pixel pitch Brightness (Typ.) Contrast Ratio (Typ.) Contrast Ratio (Max.) Viewing angle (H/V) CR>10 Display colors Response time SplendidPlus Video Enhancement SplendidPlus selection Auto adjustment Color temperature selection Analog input Digital input Earphone jack Audio input Speaker (Built-in) USB 2.0 port USB 3.0 port ASUS C Series LCD Monitor TFT LCD C620AQ/C620AQE: 19.45" (16:10, 49.
Colors Power LED Tilt Pivot Swivel Height Adjustment Kensington lock AC input voltage Power consumption Temperature (Operating) Temperature (Nonoperating) Dimension (W x H x D) with stand Weight (Esti.) 3-12 Black White (On)/Amber (Standby) +35˚~ -5˚ +90˚~ -90˚ +90˚~ -90˚ 130 mm Yes AC: 100~240V C620AQ/C620AQE: Power On: < 15.74 W** (Typ.), Standby: < 0.5 W (Typ.), Power Off: 0 W (Switch off) C622AQ/C622AQE/C622AQH: Power On: < 21.09 W** (Typ.), Standby: < 0.5 W (Typ.
Multi-languages Accessories Compliance and Standards 21 languages (English, French, German, Italian, Spanish, Dutch, Portuguese, Russian, Czech, Croatian, Polish, Romanian, Hungarian, Turkish, Simplified Chinese, Traditional Chinese, Japanese, Korean, Thai, Indonesian, Persian) Power cord, DVI cable (optional), HDMI cable (only for C624CQ), DisplayPort cable, VGA cable, Audio cable, USB cable (only for C620AQ/C622AQ/C623AQ/ C623AQR/C624AQ/C624BQ/C624CQ), Quick start guide, Warranty card UL/cUL, CB, CE, E
C627A Panel Type Panel size TFT LCD 27” (16:9, 68.47 cm) wide screen Max. Resolution Pixel pitch Brightness (Typ.) Contrast Ratio (Typ.) Contrast Ratio (Max.) Viewing angle (H/V) CR>10 Display colors Response time SplendidPlus Video Enhancement SplendidPlus selection Auto adjustment Color temperature selection Analog input Digital input Temperature (Operating) 2560 x 1440 0.2331 mm x 0.2331 mm 350 cd/m2 1000:1 100,000,000:1 (with ASCR on) 178˚/178˚ 16.
Accessories Compliance and Standards Power cord, DVI cable (optional), HDMI cable, DisplayPort cable, DisplayPort cable (Mini-DP to DP) (optional), Audio cable, USB cable, Quick start guide, Warranty card UL/cUL, FCC, ICES-3, EPEAT (for selected models), CB, CE, 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.
3.3 Troubleshooting (FAQ) Problem Power LED is not ON The power LED lights amber and there is no screen image Screen image is too light or dark Screen image is not centered or sized properly Possible Solution • 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. • Check if the monitor and the computer are in the ON mode.
3.4 Supported operating modes C620A Resolution Frequency 640x480 640x480 640x480 640x480 720x400 800x600 800x600 800x600 800x600 832X624 1024x768 1024x768 1024x768 1152x864 1280x720 1280x768 1280x800 1360x768 1366x768 1440x900 Horizontal Frequency (KHz) 31.47(N) 35.00(N) 37.87(N) 37.5(N) 31.47(N) 35.16(P) 37.88(P) 48.08(P) 46.86(P) 49.72(P/N) 48.36(N) 56.476(N) 60.02(N) 67.5(P/N) 45.00(P) 47.78(P) 49.7(P) 47.712(P) 47.712(P) 55.94(N) Vertical Frequency (Hz) Pixel (MHz) 59.94(N) 66.66(N) 72.82(N) 75.
C422A/C622A/C423A/C623A/C424A/C624A Resolution Frequency 640x480 640x480 640x480 640x480 720x400 800x600 800x600 800x600 800x600 832X624 1024x768 1024x768 1024x768 1152x864 1280x720 1280x768 1280x800 1280x960 1280x1024 1280x1024 1360x768 1366x768 1440x900 1600x1200 1680x1050 1920x1080 Horizontal Frequency (KHz) 31.47(N) 35.00(N) 37.87(N) 37.5(N) 31.47(N) 35.16(P) 37.88(P) 48.08(P) 46.86(P) 49.72(P/N) 48.36(N) 56.476(N) 60.02(N) 67.5(P/N) 45.00(P) 47.78(P) 49.7(P) 60.00(P) 63.98(P) 79.98(P) 47.712(P) 47.
When the monitor is operating in the video mode (ie, not displaying data), the following high definition modes shall be supported in addition to standard definition video. Preset Timing Name 1 2 3 4 5 6 480p 720p60 576p 720p50 1080p60 1080p50 Pixel Format Horizontal Frequency (kHz) 720 x 480 1280 x 720 720 x 576 1280 x 720 1920 x 1080 1920 x 1080 31.469 45 31.25 37.5 67.5 56.25 Vertical Frequency (Hz) 60 60 50 50 60 50 Pixel Rate (MHz) 27 74.25 27 74.25 148.5 148.
C624C/C627A Resolution Frequency Horizontal Frequency (KHz) 640x480 640x480 640x480 640x480 720x400 800x600 800x600 800x600 1024x768 1024x768 1024x768 1152x864 1280x720 1280x768 1280x800 1280x960 1280x1024 1280x1024 1366x768 1440x900 1600x1200 1680x1050 1920x1080 1920x1200 (Reduced Blanking) 1920x1200 2048x1152 (Reduced Blanking) 2560x1080 2560x1440 2560x1440* (Reduced Blanking) 31.47(N) 35.00(N) 37.87(N) 37.5(N) 31.47(N) 35.16(P) 37.88(P) 46.86(P) 48.36(N) 56.476(N) 60.02(N) 67.5(P/N) 45.00(P) 47.
When the monitor is operating in the video mode (ie, not displaying data), the following high definition modes shall be supported in addition to standard definition video. Preset Timing Name 1 2 3 4 5 6 480p 720p60 576p 720p50 1080p60 1080p50 Pixel Format Horizontal Frequency (kHz) 720 x 480 1280 x 720 720 x 576 1280 x 720 1920 x 1080 1920 x 1080 ASUS C Series LCD Monitor 31.469 45 31.25 37.5 67.5 56.25 Vertical Frequency (Hz) 60 60 50 50 60 50 Pixel Rate (MHz) 27 74.25 27 74.25 148.5 148.