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.
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. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with manufacturer’s instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: • Reorient or relocate the receiving antenna. • Increase the separation between the equipment and receiver. • Connect the equipment to an outlet on a circuit different from that to which the receiver is connected. • Consult the dealer or an experienced radio/TV technician for help. As an Energy Star Partner, our company has determined ® that this product meets the Energy Star guidelines for ® energy efficiency. Canadian Department of Communications Statement This digital apparatus does not exceed the Class B limits for radio noise emissions from digital apparatus set out in the Radio Interference Regulations of the Canadian Department of Communications.
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. • Before using the product, make sure all cables are correctly connected and the power cables are not damaged. If you detect any damage, contact your dealer immediately. • Slots and openings on the back or top of the cabinet are provided for ventilation. Do not block these slots. Never place this product near or over a radiator or heat source unless proper ventilation is provided. • The monitor should be operated only from the type of power source indicated on the label. If you are not sure of the type of power supply to your home, consult your dealer or local power company. • Use the appropriate power plug which complies with your local power standard. • Do not overload power strips and extention cords. Overloading can result in fire or electric shock. • Avoid dust, humidity, and temperature extremes. Do not place the monitor in any area where it may become wet. Place the monitor on a stable surface. • Unplug the unit during a lightning storm or if it will not be used for a long period of time. This will protect the monitor from damage due to power surges. • Never push objects or spill liquid of any kind into the slots on the monitor cabinet.
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. • Avoid using a cleaner containing alcohol or acetone. Use a cleaner intended for use with the LED. Never spray cleaner directly on the screen, as it may drip inside the monitor and cause an electric shock. The following symptoms are normal with the monitor: • The screen may flicker during the initial use due to the nature of the fluorescent light. Turn off the Power Switch and turn it on again to make sure that the flicker disappears. • You may find slightly uneven brightness on the screen depending on the desktop pattern you use. • When the same image is displayed for hours, an afterimage of the previous screen may remain after switching the image. The screen will recover slowly or you can turn off the Power Switch for hours. • When the screen becomes black or flashes, or cannot work anymore, contact your dealer or service center to fix it. Do not repair the screen by yourself! Conventions used in this guide WARNING: Information to prevent injury to yourself when trying to complete a task.
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Where to find more information Refer to the following sources for additional information and for product and software updates. ASUS websites The ASUS websites worldwide provide updated information on ASUS hardware and software products. Refer to http://www.asus.com 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.
Welcome! ® Thank you for purchasing the ASUS PB238TR Series LCD monitor! The latest widescreen LCD monitor from ASUS provides a crisper, broader, and brighter 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 PB238TR Series brings you! Package contents Check your PB238TR Series LCD monitor package for the following items: LCD monitor Power Cord VGA Cable DVI Cable USB Cable Cable Tie Audio Cable Quick Start Guide Warranty Card If any of the above items is damaged or missing, contact your retailer immediately. ASUS LCD Monitor PB238TR Series...
Monitor introduction 1.3.1 Front of the LCD monitor Human sensor • Human sensor will detect user’s presence in front of the monitor screen. It will automatically switch the monitor into power saving mode when it does not detect anyone in front of the monitor within the 50cm to 70cm effective range for longer than 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 “Medium”. User can adjust the sensitivity based on his/her physique or the environment. User could also switch off Human sensor function. • Please do not put any object on the right side of the monitor to avoid any interference. • Please make sure that the Human Sensor is not placed anywhere higher than the user’s shoulder. Button: • Automatically adjust the image to its optimized position, clock, and phase by long pressing this button for 2-4 seconds (for VGA mode only). Chapter 1: Product Introduction...
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Use this hot key to switch from six video preset modes (Scenery Mode, Standard Mode, Theater Mode, Game Mode, Night View Mode, and sRGB Mode) with SPLENDID™ Video Intelligence Technology. • Exit the OSD menu or go back to the previous menu as the OSD menu is active. Button: • Press this button to increase the value of the function selected or move right/up to the next function. • This is also a hot key for Brightness adjustment. MENU Button: • Press this button to enter the OSD menu. • Press this button to enter/select the icon (function) highlighted while the OSD is activated. Button: • Press this button to decrease the value of the function selected or move to the next function. • Use this hot key to switch from VGA, DVI, input signal . Power Button/Power Indicator: • Press this button to turn the monitor on/off. • The color definition of the power indicator is as the below table. Status Description White Amber Standby mode ASUS LCD Monitor PB238TR Series...
1.3.2 Rear of the LCD monitor Rear connectors AC-IN port: This port connects the power cord. Power switch: Press this switch to turn on/off power. DVI port: This 24-pin port is for PC (Personal Computer) DVI-D digital signal connection. VGA port: This 15-pin port is for PC VGA connection. Audio Line-in Port: USB upstream port: This port is for connection with a USB upstream cable. USB downstream ports: These ports are for connection with USB devices, such as USB keyboard/mouse, USB flash drive, etc. Kensington lock slot. Chapter 1: Product Introduction...
Detaching the arm/stand (for VESA wall mount) The detachable stand of this monitor is specially designed for VESA wall mount. To detach the arm/stand: Disconnect power and signal cables. Carefully put the front of the monitor face down on a clean table. Use a screwdriver to remove the four screws on the arm (Figure 1), and then detach the arm/stand from the monitor (Figure 2). • W e recommend that you cover the table surface with soft cloth to prevent damage to the monitor. • H old the stand of the monitor while removing the screws. Figure 1 Figure 2 • The VESA wall mount kit ( 100 x 100 mm) is purchased separately. • Use only the UL Listed Wall Mount Bracket with minimum weight/load 22.7 kg (Screw size: 4 x 10 mm). ASUS LCD Monitor PB238TR Series...
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. • You can adjust the monitor’s angle from +22˚ to -5˚ and it allows 160˚ swivel adjustment from either left or right. You can also adjust the monitor’s height within +/- 11cm. -5° ~ +22° 160° 160° 11cm 0° Pivoting the monitor Lift the monitor to the highest position. Tilt the monitor to its maximum angle. Pivot the monitor clockwise to the angle you need. -5° ~ +22° It is normal that the monitor slightly shakes while you adjust the viewing angle. Chapter 2: Setup...
• To connect the VGA/DVI cable: a. P lug one end of the VGA/DVI/ cable to the monitor’s VGA/DVI jack. b. C onnect the other end of the VGA/DVI cable to your computer’s VGA/DVI jack. c. T ighten the two screws to secure the VGA/DVI connector. • To connect the audio cable: Plug one end of the audio cable to the monitor’s Audio Line-in Port. Connect the other end of the audio cable to your computer’s audio Port. • To use the USB ports: 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 port. When these cables are connected, you can choose the desired signal from the Input Select item in the OSD menu. ASUS LCD Monitor PB238TR Series...
OSD (On-Screen Display) menu 3.1.1 How to reconfigure PB238 Splendid Scenery Mode Color Standard Mode Image Theater Mode Input Select Game Mode System Setup Night View Mode sRGB Move Menu Exit Press the MENU button to activate the OSD menu. Press and to navigate through the functions. Highlight and activate the desired function by pressing the MENU button. If the function selected has a sub-menu, press and again to navigate through the sub-menu functions. Highlight and activate the desired sub-menu function by pressing the MENU button. Press and to change the settings of the selected function. To exit the OSD menu, press the button. Repeat step 2 and step 3 to adjust any other function. Chapter 3: General Instruction...
Exit • Scenery Mode: This is the best choice for scenery photo displaying with SPLENDID™ Video Intelligence. • Standard Mode: This is the best choice for document editing with SPLENDID™ Video Intelligence. • Theater Mode: This is the best choice for movie watching with SPLENDID™ Video Intelligence. • Game Mode: This is the best choice for game playing with SPLENDID™ Video Intelligence. • Night View Mode: This is the best choice for playing dark-scene game or watching movie with SPLENDID™ Video Intelligence. • sRGB: This is the best choice for viewing photos and graphics from PCs. In the Standard Mode, the Saturation, Skin Tone, Sharpness, and • ASCR functions are not user-configurable. In the sRGB, the Saturation, Color Temp., Skin Tone, Sharpness, and • ASCR functions are not user-configurable. ASUS LCD Monitor PB238TR Series...
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Color Select the image color you like from this function. PB238 Splendid Brightness Color Contrast Image Saturation Input Select Color Temp. User Mode System Setup Skin Tone Natural Smart View Move Menu Exit • Brightness: The adjusting range is from 0 to 100. The button is also a hot key to activate this function. • Contrast: The adjusting range is from 0 to 100. • Saturation: The adjusting range is from 0 to 100. • Color Temp.: Contain three preset color modes (Cool, Normal, Warm) and one User Mode. • Skin Tone: Contain three color modes including Reddish, Natural, and Yellowish. •...
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Image Aspect Control Full Input Select ASCR Position System Setup Focus Move Menu Exit • Sharpness: Adjust the picture sharpness. The adjusting range is from 0 to 100. • Trace Free: Speed up the response time by Over Drive technology. The adjusting range is from lower 0 to faster 100. • Aspect Control: Adjust the aspect ratio to “Full”,“4:3”. • ASCR: Select ON or OFF to enable or disable dynamic contrast ratio function. • Position: Adjust the horizontal position (H-Position) and the vertical position (V-Position) of the image. The adjusting range is from 0 to 100 (only available for VGA input). • Focus: Reduce Horizontal-line noise and Vertical-line noise of the image by adjusting (Phase) and (Clock) separately. The adjusting range is from 0 to 100 (only available for VGA input). ASUS LCD Monitor PB238TR Series...
Input Select Select the input source from VGA, or DVI. PB238 Splendid Color Image Input Select System Setup Move Menu Exit System Setup Adjusts the system configuration. PB238 Splendid Splendid Demo Mode Color Volume Image ECO Mode Input Select OSD Setup System Setup Language English Information page 1/2: Move Menu Exit PB238 Splendid Human Sensor...
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• ECO Mode: Activate the ecology mode for power saving. (Some gray levels may not be distinguished if ECO is ON. Its brightness is lower than that when setting the Contrast Ratio to 100.) • OSD Setup: Adjust the horizontal position (H-Position), vertical position (V-Position), OSD Timeout, DDC/CI, and Transparency of the OSD screen. • Language: Select OSD language. The selections are English, French, German, Spanish, Italian, Dutch, Russian, Traditional Chinese, Simplified Chinese, and Japanese. • Information: Display the monitor information. • Human Sensor: Turn on/ off Human sensor function and adjust its sensitivity. • All Reset: Set to “Yes” to revert all settings to the factory default mode. ASUS LCD Monitor PB238TR Series...
3.2 Specifications Model PB238TR Panel Size 23.0”W (58.42cm) Max. Resolution 1920x1080 Brightness (Typ.) 250cd/m Intrinsic Contrast Ratio (Typ.) 1000:1 Viewing Angle (CR=10) 178°(V) /178°(H) Display Colors 16.7 M(6bit Hi FRC) Response Time 6ms (Gray to Gray) Satellite Speaker 2W x 2 stereo Earphone Output DVI input DVI with HDCP D-Sub input Audio Line-in ON Mode: <50W*, Standby Mode: <0.5W, Off Mode: Power ON Consumption <0.5W Note *Based on Energy Star 6.0 standard Tilt -5° ~ +22° VESA Wall Mounting Yes (100mm x 100mm) Phys. Dimension (WxHxD) 549x399x244.5mm Box Dimension (WxHxD) 671x253x386mm Net Weight (Esti.) 5.9kg Gross Weight (Esti.) Voltage Rating AC 100~240V(Built-in)
Screen image bounces or a wave • Make sure the signal cable is properly connected to pattern is present in the image the monitor and the computer. • Move electrical devices that may cause electrical interference. Screen image has color defects • Inspect the signal cable and make sure that none of (white does not look white) the pins are bent. • Perform Reset via OSD. • Adjust the R/G/B color settings or select the Color Temperature via OSD. Screen image is blurry or fuzzy • Press the button for two seconds to automatically adjust the image (for VGA mode only). • Adjust the Phase and Clock settings via OSD. No sound or sound is low • Ensure that the audio cable is properly connected to the monitor and the computer. • Adjust the volume settings of both your monitor and computer. • Ensure that the computer sound card driver is properly installed and activated. ASUS LCD Monitor PB238TR Series...