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Chapter 2.       

 2-5

 

    

Table 2-1. 

OSD functions

OSD Icon on 

Main Menu

Sub menu

Description

Controls and 
Adjustments

Brightness

Adjusts overall screen brightness.

All input ports

 Contrast

Adjusts difference between light and dark areas.

DCR

Enable dynamic contrast ratio.

Off

On

Display Mode

Standard/Game/Web/Movie/Picture

Scaling Mode

Selects type of scaled image. 

Original AR: same aspect ratio with input signal. 

Full Screen: expand image to full screen.

Over Drive

Respond time enhancement

Off

Normal

Extreme

Automatic

Optimizes image (size, position, phase and clock).

Clock

Adjusts the number of pixels scanned by one horizontal 

sweep.

Phase

Adjusts the phase of the pixel clock signal. 

Horizontal Position

Moves image left or right.

Vertical Position

Moves image up or down.

Preset Mode

Adjusts intensity of red, green, and blue. 

Bluish

Neutral

Reddish

sRGB

Custom

Red: Increases or decreases the saturation of ‘red’ 
in the image.

Green: Increases or decreases the saturation of 
‘green’ in the image.

Blue: Increases or decreases the saturation of
’blue’ in the image.

Low Blue light

On

Off

Summary of Contents for C24-20

Page 1: ...Lenovo C24 20 User Guide ...

Page 2: ...ercial items as defined by 48 C F R 2 101 with limited and restricted rights to use reproduction and disclosure LIMITED AND RESTRICTED RIGHTS NOTICE If products data computer software or services are delivered pursuant a General Services Administration GSA contract use reproduction or disclosure is subject to restrictions set forth in Contract No GS 35F 05925 Product number A20238FD0 62A8 K R1 ...

Page 3: ... 2 3 Using the On Screen Display OSD controls 2 4 Selecting a supported display mode 2 7 Understanding power management 2 8 Power Management Modes Caring for your monitor 2 10 Detaching the monitor base and stand 2 10 Wall Mounting Optional 2 10 Chapter 3 Reference information 3 1 Monitor specifications 3 1 Troubleshooting 3 3 Manual image setup 3 4 Manually installing the monitor driver 3 5 Insta...

Page 4: ...on General Safety guidelines For tips to help you use your computer safely go to http www lenovo com safety Before installing this product read the Safety Information í í í اﻟﻤﻨﺘﺞ ھﺬا ﺗﺮﻛﯿﺐ ﻗﺒﻞ اﻟﺴﻼﻣﺔ ﻣﻌﻠﻮﻣﺎت ﻗﺮاءة اﻟﺮﺟﺎء ...

Page 5: ...r For quick instruction overview please see the Setup Poster for brief information Shipping contents The product package should include the following items Flat Panel Monitor Information Flyer Stand Base Screw Driver Screw x 2pcs Power Cord Analog Cable for VGA use HDMI Cable Optional HDMI Europe Rest of world ...

Page 6: ...nd can be damaged by rough handling or excessive pressure 1 Place your monitor with the screen face down on a soft flat surface 2 Use a screwdriver to tighten the screws located on the stand and secure the stand to the monitor tightly 3 Insert the base towards monitor until it locks in place Note To install a VESA mount please see Wall Mounting Optional on page 2 10 ...

Page 7: ...verview This section will provide information on adjusting monitor positions setting user controls and using the cable lock slot Types of adjustments Tilt Please see the illustration below for an example of the tilt range 22 ...

Page 8: ...he panel frame are accesses to various functions For information on how to utilize these keypad controls please see Adjusting your monitor image on page 2 3 Cable lock slot Your monitor is equipped with a cable lock slot located on the rear of your monitor ...

Page 9: ...cting and turning on your monitor Note Be sure to read the Safety information on page iii before carrying out this procedure 1 Power off your computer and all attached devices then unplug the computer power cord 2 Connect the cables according to below icon indication 3 For computer in Analog Cable connecting ...

Page 10: ... who require to use the HDMI input on their monitor purchase the Lenovo HDMI to HDMI cable OB47070 www lenovo com support monitor accessories 5 Connect the speaker s audio cable and audio jack of monitor to transfer audio source from HDMI Note The audio output in HDMI model l HDMI HDMI ...

Page 11: ... ordinary polyvinyl chloride flexible cord according to IEC 60227 designation H05VV F 3G 0 75mm2 or H05VVH2 F2 3G 0 75mm2 shall be used Alternative a flexible cord be of synthetic rubber according to IEC 60245 designation H05RR F 3G 0 75mm2 shall be used 7 Power on the monitor and the computer 8 When you install the monitor driver download the driver that corresponds to your monitor model from the...

Page 12: ...he future Your feedback is valuable to us in developing product and services that are important to you as well as in developing better ways to communicate with you Register your option on the following Web site http www lenovo com register Lenovo will send you information and updates on your registered product unless you indicate on the Web site questionnaire that you do not want to receive furthe...

Page 13: ...djust your computer monitor for comfortable viewing by considering the following items Recommended viewing distance between the eye and the monitor screen is 1 5 x the diagonal of the screen Solutions in meeting this required distance in cramped office situations include pulling desk away from wall or divider to make room for monitor using flat panel or compact displays placing the monitor in the ...

Page 14: ...ment capabilities of your computer components and office furniture to best suit your preferences now and as your preferences change over time Minor changes in posture can help avoid discomfort The longer you sit and work with your computer the more important it is to observe your working posture Avoid assuming any one posture for an extended period of time Periodically make minor modifications in ...

Page 15: ...ion phase and clock For analog VGA source only Increase Press to move to last item on menu Press to Increase current value on adjustment bar 3 Brightness Shortcut key for directly opening brightness adjustment bar while there is no any OSD on the screen Enable Low Blue Light Press and hold for 3 seconds to enable Low Blue Light Disable Low Blue Light Press and hold for 3 seconds to disable Low Blu...

Page 16: ... Use or to make adjustments then press to save 3 Press to move backwards through the sub menus and exit from the OSD 4 Press and hold for 10 seconds to lock the OSD This will prevent accidental adjustments to the OSD Press and hold for 10 seconds to unlock the OSD and allow adjustments to the OSD 5 Enables DDC CI by default Use OSD Exit Key press and hold for 10 seconds to disable enable DDC CI fu...

Page 17: ... full screen Over Drive Respond time enhancement Off Normal Extreme Automatic Optimizes image size position phase and clock Clock Adjusts the number of pixels scanned by one horizontal sweep Phase Adjusts the phase of the pixel clock signal Horizontal Position Moves image left or right Vertical Position Moves image up or down Preset Mode Adjusts intensity of red green and blue Bluish Neutral Reddi...

Page 18: ...ght Menu Vertical Moves OSD up or down Transparency 0 20 40 60 80 100 OSD Timeout Set the duration of time that the OSD will remain active when no operation is performed Reset All Settings Cancel Factory Reset Reset monitor to the original settings The use of Extreme Mode response time may result in reduced display quality when fast moving video graphics are displayed Users should check Extreme Mo...

Page 19: ...usly been used with a CRT monitor and is currently configured to a display mode outside the range of this monitor you may need to reattach the CRT monitor temporarily until you have re configured the system preferably to 1920 x 1080 at 60 Hz which is a common display mode The display modes shown below have been optimized at the factory Table 2 2 Factory set display modes Timing Refresh rate Hz PAL...

Page 20: ...onitor at the end of each working day or whenever you expect to leave it unused for long periods during the day Table 2 3 Power indicator State Power Indicator Screen Restoring Operation On White Normal Standby Suspend Amber Blank Press a key or move the mouse There may be a slight delay before the image reappears Note Standby also occurs if there is no image output to the monitor Off Off Blank Pr...

Page 21: ...no obligation to update such information Accordingly the customer should not rely upon this information in making decisions about electrical tolerances or otherwise No warranty as to accuracy or completeness is expressed or implied VESA Modes Horizontal Sync Vertical Sync Video Power Indicator Power Consumption Normal operation Active Active Active White 23 W maximum 18 W typical Active off mode I...

Page 22: ...en a soft cloth with water and use this to gently wipe the covers and the screen Remove grease or finger marks with a damp cloth and a little mild detergent Detaching the monitor base and stand Step 1 Place the monitor on a soft and flat surface Step 2 Remove the screws from stand before detaching base and stand from the monitor Wall Mounting Optional Refer to the instructions that come with the b...

Page 23: ... the type of VESA mounting screw is M4 x 10 mm Step 5 Attach the LCD display to the wall and follow the instructions in the wall mounting kit For use only with UL Listed Wall Mount Bracket with minimum weight load 8kg Note When you use a flexible arm do not tilt the monitor downward by more than 5 degrees VESA hole ...

Page 24: ...6 46 mm 11 67 in 527 04 mm 20 74 in 0 2745 mm 0 01 in Power input Supply voltage Max supply current 100 240V AC 1 5A Power consumption Note Power consumption figures are for the monitor and the power supply combined Normal operation Standby Suspend Off Note without USB Webcam external speaker 23W max 18W typical 0 5W 0 3W Video input Analog Interface Input signal Horizontal addressability Vertical...

Page 25: ...z 48 Hz 75 Hz Native Resolution 1920 x 1080 at 60 Hz Temperature Operating Storage Shipping 0 to 40 C 32 to 104 F 20 to 60 C 4 to 140 F 20 to 60 C 4 to 140 F Humidity Operating Storage Shipping 10 to 80 non condensing 5 to 95 non condensing 5 to 95 non condensing Table 3 1 Monitor specifications for type model C24 20 ...

Page 26: ... cable is not connected with the monitor or system completely Be sure the signal cable is firmly plugged into the system and monitor Connecting and turning on your monitor on page 1 5 The color settings may be incorrect Select another color setting from the OSD menu Adjusting your monitor image on page 2 3 The automatic image setup function was not performed Perform automatic image setup Adjusting...

Page 27: ...with the system properly Connecting and turning on your monitor on page 1 5 The monitor brightness and contrast are at the lowest setting Adjust the brightness and contrast setting on the OSD menu Adjusting your monitor image on page 2 3 One or more of the pixels appear discolored This is a characteristic of the LCD technology and is not an LCD defect If there are more than five pixels missing con...

Page 28: ...are and Sound icon and then click the Display icon 6 Click the Change the display settings tab 7 Click the Advanced Settings icon 8 Click the Monitor tab 9 Click the Properties button 10 Click the Driver tab 11 Click Update Driver then click Browse the computer to find the driver program 12 Select Pick from the list of device driver program on the computer 13 Click the Hard Disk button By clicking...

Page 29: ...wse the computer to find the driver program 12 Select Pick from the list of device driver program on the computer 13 Click the Hard Disk button By clicking the Browse button browse and point to the following path X Monitor Drivers Windows 10 where X indicatesĀthe folder in which the downloaded driver is locatedā such as a desktop 14 Select the c24 20 inf file and click the Open button Click the OK...

Page 30: ...t Physical damage to covers bezel base and cables Scratches or punctures on monitor screens Service parts The following parts are for use by Lenovo service or Lenovo aurthorized dealers to supprot the customer warranty Parts are for service use only The table below shows information for model 61E3 KCR1 WW Table 3 3 List of service parts FRU FIELD REPLACEABL E UNIT PART NUMBER DESCRIPTION Machine T...

Page 31: ...guration support through the Customer Support Center will be available until 90 days after the option has been withdrawn from marketing After that time the support is cancelled or made available for a fee at Lenovo s discretion Additional support is also available for a nominal fee Before contacting a Lenovo technical support representative please have the following information available option na...

Page 32: ...sh Costa Rica 0 800 011 1029 Spanish Croatia 385 1 3033 120 Croatian Cyprus 800 92537 Greek Czech Republic 800 353 637 Czech Denmark Warranty service and support 7010 5150 Danish Dominican Republic 1 866 434 2080 Spanish Ecuador 1 800 426911 OPCION 4 Spanish Egypt Primary 0800 0000 850 Secondary 0800 0000 744 Arabic English El Salvador 800 6264 Spanish Estonia 372 66 0 800 Estonian Russian English...

Page 33: ...service and support 39 800 820094 Italian Japan 0120 000 817 Japanese English Kazakhstan 77 273 231 427 Standard Charges Apply Russian English Korea 080 513 0880 Collect call 02 3483 2829 Toll Call Korean Latvia 371 6707 360 Latvian Russian English Lithuania 370 5278 6602 Italian Russian English Luxembourg ThinkServer and ThinkStation 352 360 385 343 ThinkCentre and ThinkPad 352 360 385 222 French...

Page 34: ... Charges Apply English Mandarin Bahasa Malaysia Slovakia ThinkStation and ThinkServer 421 2 4954 5555 Slovenia 386 1 2005 60 Slovenian Spain 34 917 147 833 Spanish Sri Lanka 9477 7357 123 Sumathi Information systems English Sweden Warranty service and support 077 117 1040 Swedish Switzerland Warranty service and support 0800 55 54 54 German French Italian Taiwan 0800 000 702 Mandarin Thailand 001 ...

Page 35: ...Appendix A A 5 Vietnam 120 11072 Toll Free 84 8 4458 1042 Standard Charges Apply Vietnamese English Country or Region Telephone Number ...

Page 36: ...n new editions of the publication Lenovo may make improvements and or changes in the product s and or the program s described in this publication at any time without notice The products described in this document are not intended for use in implantation or other life support applications where malfunction may result in injury or death to persons The information contained in this document does not ...

Page 37: ...ecting reuse and recycling of disused computers and monitors For details visit the Lenovo Web site at http www lenovo com recycling japan Pursuant to the Law for Promotion of Effective Utilization of Resources the collecting and recycling of home used computers and monitors by the manufacturer was begun on October 1 2003 This service is provided free of charge for home used computers sold after Oc...

Page 38: ...Appendix B B 3 Power cords and power adapters Use only the power cords and power adapters supplied by the product manufacturer Do not use the ac power cord for other devices ...

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