C620A/C422A/C622A/ C423A/C623A/C424A/ C624A/C624B 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........................................................................................ v Care & Cleaning........................................................................................... vi 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.
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.
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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 Menu Menu Close Close Quick Fit Quick Fit Brightness Brightness Blue Light Filter Blue Light Filter 7 6 1. 4 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.
• 6. 7. To change the hotkey function, go to the Shortcut > Shortcut 1 menu. Shortcut • 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): • 1.3.2 Detects user’s presence in front of the monitor screen. The monitor automatically enters standby mode when no moving object in front of the monitor is detected for longer than 60 seconds.
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 2.0 upstream port. This port is for connection with a USB upstream cable. The connection enables the USB ports on the monitor. 10. USB 2.0 downstream ports.
B5 Letter B5 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.
1-6 Chapter 1: Product introduction
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 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 5. 1. Have the front of the monitor face down on a table. 6. 2. Press the release button, and then detach the arm/base from the monitor (Figure 2). 2 1 7.
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 • or optimal viewing, we recommend that you look at the full face of the F 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˚. • 620A/C622A/C623A/C624A/C624B: You can adjust the monitor’s angle from C +33˚ to -5˚and it allows 90˚ swivel adjustment from either left or right.
-5° ~ +33° 130mm 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 cable: a. Plug one end of the VGA/DVI/DisplayPort cable to the monitor’s VGA/ DVI/DisplayPort jack. b.
c. Tighten the two screws to secure the VGA/DVI connector. • 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.
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 functions. Highlight the desired function and press to activate it.
3.1.2 OSD function introduction 1. Splendid This function contains 7 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. Splendid Standard Mode ASUS C622A VGA 1920 x 1080 @ 60Hz Scenery Mode Standard Mode Theater M ode Night View Mode sRGB Mode Reading Mode Darkroom Mode 3-2 • Scenery Mode: Best choice for scenery photo display with SplendidPlus Video Enhancement.
2. Blue Light Filter In this function, you can adjust the blue light filter level. Blue Light Filter Standard Mode ASUS C622A VGA 1920 x 1080 @ 60Hz Level 0 Level 1 Level 2 Level 3 Level 4 • Level 0: No change. • Level 1~4: The higher the level, the less blue light is scattered. When Blue Light Filter is activated,the default settings of Standard Mode will be automatically imported. Between Level 1 to Level 3, the Brightness function is user-configurable. Level 4 is optimized setting.
• 4. Skin Tone: contains three color modes including Reddish, Natural, and Yellowish. 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 Focus 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 or OverScan.
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.
* 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. • Please do not put any object too close to the Human Sensor to avoid any interference. • Power Key Lock: Enables or disables the power key. • All Reset: “Yes” allows you to restore the default settings. 8.
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.
Temperature (Non-operating) -20˚C~+60˚C Dimension (W x H x D) with stand C422AQ/C422AQE: 514 x 383 x 195 mm (machine), 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) C422AQ/C422AQE: 3.8 kg (Net); 5.3 kg (Gross) C423AQ/C423AQE: 4.3 kg (Net); 5.7 kg (Gross) C424AQ/C424AQE: 4.3 kg (Net); 5.
C620A/C622A/C623A/C624A/C624B 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 Colors Power LED Tilt Pivot Swivel Height Adjustment Kensington lock AC input voltage 3-10 TFT LCD C620AQ/C620AQE: 19.
Power consumption Temperature (Operating) C620AQ/C620AQE: Power On: < 15.74 W** (Typ.), Standby: < 0.5 W (Typ.), Power Off: 0 W (Switch off) C622AQ/C622AQE: Power On: < 21.09 W** (Typ.), Standby: < 0.5 W (Typ.), Power Off: 0 W (Switch off) C623AQ/C623AQE/C623AQR: Power On: < 22 W** (Typ.), Standby: < 0.5 W (Typ.), Power Off: 0 W (Switch off) C624AQ/C624AQE: Power On: < 22.97 W** (Typ.), Standby: < 0.5 W (Typ.), Power Off: 0 W (Switch off) C624BQ: Power On: < 25.4 W** (Typ.), Standby: < 0.5 W (Typ.
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.
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 Horizational Vertical Frequency Frequency (kHz) (Hz) 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 60 60 50 50 60 50 Pixel Rate (MHz) 27 74.25 27 74.25 148.5 148.
