Page 3 - English; Index
English English-1 Important Information ................................................................................................................................... English-2 Safety Precautions, Maintenance & Recommended Use ...................................................................
Page 4 - DECLARATION OF CONFORMITY; Important Information
English-2 DECLARATION OF CONFORMITY This device complies with Part 15 of FCC Rules. Operation is subject to the following two conditions. (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired ope...
Page 5 - Declaration; Declaration of the Manufacturer; Declaration of the Manufacturer
English English-3 Important Information TO REDUCE THE RISK OF ELECTRIC SHOCK, MAKE SURE POWER CORD IS UNPLUGGED FROMWALL SOCKET. TO FULLY DISENGAGE THE POWER TO THE UNIT, PLEASE DISCONNECT THEPOWER CORD FROM THE AC OUTLET. DO NOT REMOVE COVER (OR BACK). NO USERSERVICEABLE PARTS INSIDE. REFER SERVICI...
Page 6 - Safety Precautions, Maintenance & Recommended Use
English-4 • The power cable connector is the primary means of detaching the system from the power supply. The monitor should be installed close to a power outlet, which is easily accessible. • Handle with care when transporting. Save packaging for transporting. • Please clean the holes of back cabin...
Page 7 - Contents
English English-5 Contents * Remember to save your original box and packing material to transport or ship the monitor. Your new LDT421V monitor box* should contain the following: • LCD monitor • Power Cord (3 m) • Video Signal Cable (4 m) • User’s Manual • Wireless Remote Control and AAA Batteries •...
Page 8 - Control Panel; Parts Name and Functions
English-6 OFF ON EXIT MUTE INPUT Button Location DOWN ( ) button Activates the OSD menu when the OSD menu is turned-off. Acts as button to move the highlighted area down to select the adjustment with OSD menu. EXIT button Activates the OSD menu when the OSD menu is turned-off. Acts as EXIT button to...
Page 9 - Terminal Panel
English English-7 EXTERNAL SPEAKER TERMINAL To output the audio signal for external speakers from AUDIO 1, 2 or 3 jack. AC IN connector Connects with the supplied power cord. RGB 1 IN (HDMI) To input digital RGB signals from a computer. * This connector does not support analog input. AUDIO is suppor...
Page 10 - Wireless Remote Control
English-8 Wireless Remote Control POWER button Switches the power on/off. * If Power Indicator is not glowing, then no controls will work. PICTURE MODE button Selects from picture mode, [HIGHBRIGHT], [STANDARD], [sRGB], [CINEMA]. See page 20. HIGHBRIGHT: for moving image such as DVD STANDARD: for im...
Page 11 - Handling the remote control
English English-9 Handling the remote control * Do not subject to strong shock. * Do not allow water or other liquid to splash the remote control. If the remote control gets wet, wipe it dry immedi- ately. * Avoid exposure to heat and steam. * Other than to install the batteries, do not open the rem...
Page 12 - Setup Procedure
English-10 1. Determine the installation location CAUTION: DO NOT ATTEMPT TO INSTALL THE LCD MONITOR BY YOURSELF. Installing your LCD display must be done by a quali ed technician. Contact your dealer for more information. CAUTION: MOVING OR INSTALLING THE LCD MONITOR MUST BE DONE BY TWO OR MORE PEO...
Page 13 - Recommended Adjustment; Installing and removing stand; To prevent the main power switch
English English-11 7. Adjust the sound Make adjustments when adjustment of the volume is required. 8. Adjust the screen (See pages 23-31) Make adjustments when adjustment of the screen display position or distortion is required. 9. Adjust the image (See page 23-31) Make adjustments when adjustment s...
Page 14 - When LDT421V is installed in portrait position; Landscape
English-12 14. When LDT421V is installed in portrait position Conditions LDT421V can be installed in portrait position, under the following conditions: Caution: Portrait position is effective only when wall-mounted or ceiling-mounted. The stands(legs) can not be tted to the monitor in portrait posit...
Page 15 - In the upright position; How to Mount and Attach Options to the LCD Monitor
English English-13 You can attach mounting accessories to the LCD monitor in one of the following two ways: 1. In the upright position 2. Lay the screen face down Lay the protective sheet on a table, which was wrapped around the monitor when it was packaged, beneath the screen surface so as not to s...
Page 16 - Connections; Before making connections:; Wiring Diagram
English-14 Connections Before making connections: * First turn off the power of all the attached equipment and make connections. * Refer to the user manual included with each separate piece of equipment. Wiring Diagram LCD monitor DVD player HD or laser disk player Equipment withdigital interface Pe...
Page 17 - Connecting a Personal Computer; Connect the LCD Monitor to a Personal Computer
English English-15 Connecting a Personal Computer Connecting your computer to your LCD monitor will enable you to display your computer's screen image. Some video cards may not display an image correctly. Connect the LCD Monitor to a Personal Computer • To connect the RGB 2 IN connector (mini D-sub ...
Page 18 - Connecting with Digital Interface Equipment; Connect the LCD Monitor to a Computer with a Digital Output
English-16 Connecting with Digital Interface Equipment Connections can be made with equipment that is equipped with a digital interface compliant with the DVI (Digital Visual Interface) standard. Connect the LCD Monitor to a Computer with a Digital Output • The RGB 1 IN connector accepts a HDMI cabl...
Page 19 - Connecting a DVD Player with component out; Connect the LCD Monitor to a DVD Player
English English-17 Connecting a DVD Player with component out Connecting your DVD player to your LCD monitor will enable you to display DVD video. Refer to your DVD player owner’s manual for more information. Connect the LCD Monitor to a DVD Player • To connect the DVD/HD In connector (BNC) on the L...
Page 20 - Connecting to a Stereo Ampli er; Connect the LCD Monitor to a Stereo Ampli er
English-18 Connecting to a Stereo Ampli er You can connect your stereo ampli er to your LCD monitor. Refer to your ampli er owner's manual for more information. Connect the LCD Monitor to a Stereo Ampli er • Turn on the LCD monitor and the ampli er only after all connections have been made. • Use an...
Page 21 - Power ON and OFF Modes; Basic Operation
English English-19 1. Pressing the Main Power Switch. NOTE: When the Main Power Switch is used to power off the LCD monitor, the remote control and the power button will not activate the on mode and both green and red power indicator turn off. Be sure to turn the Main Power Switch to the on mode bef...
Page 22 - To view a video source:
English-20 Power Indicator Status Power ON Green Power OFF Red Red On Green Blinking Power Standby Red, Green Red Blinking* Power Standby when “SCHEDULE” is enable Diagnosis (Detecting failure) See troubleshooting on page 35 Using Power Management The LCD monitor follows the VESA approved DPM Power ...
Page 23 - Information OSD; PIP or POP
English English-21 Information OSD RGB1, 2, 3 Video Input modeInput signal Information Audio input modePicture Size mode RGB2 1024 x 768 48kHz 60HzAUDIO : 1 SIZE : FULL ) DVD/HD Video Input modeAudio input modePicture Size mode DVD/HDAUDIO : 3 SIZE : FULL VIDEO<S>, VIDEO Video Input modeInput ...
Page 25 - PICTURE
English English-23 BRIGHTNESS Adjusts the overall image and background screen brightness.Press + button to increase brightness.Press - button to decrease brightness. CONTRAST Adjusts the image brightness in relation to the input signal.Press + button to increase contrast.Press - button to decrease c...
Page 26 - SCREEN
English-24 H POSITION Controls Horizontal Image position within the display area of the LCD.Press + button to move screen to right.Press - button to move screen to left. V POSITION Controls Vertical Image position within the display area of the LCD.Press + button to move screen to UP.Press - button ...
Page 27 - AUDIO
English English-25 BALANCE Adjust the balance of L/R volume.Press + button to move the stereo sound image to right.Sound of the left side will be small.Press - button to move the stereo sound image to left. TREBLE To accentuate or reduce the high frequency sound.Press + button to increase TREBLE sou...
Page 28 - CONFIGURATION 1
English-26 AUTO SETUP * : INPUT RGB2,3 only Press "SET" button to automatically adjust screen size, horizontal position, vertical position, clock, clock phase, white level and black level.Press "EXIT" button to cancel execution AUTO SETUP and then will return to the previous menu. AU...
Page 29 - CONFIGURATION 2
English English-27 OSD TURN OFF The OSD control menu will stay on as long as it is use. In the OSD Turn Off submenu, you can select how long the monitor waits after the last touch of a button to shut off the OSD control menu. The preset choices are 5 -120 seconds. INFORMATION OSD Selects the informa...
Page 30 - ADVANCED OPTION
English-28 INPUT RESOLUTION * : INPUT RGB2,3 only Selects to decision of input signal about below timings, 1024x768, 1280x768 and 1360x768.AUTO: Determines the resolution automatically.1024x768: Determines the resolution as 1024x7681280x768: Determines the resolution as 1280x7681360x768: Determines ...
Page 32 - For long life use of Public Display
English-30 NOTE 1: IMAGE PERSISTENCE Please be aware that LCD Technology may experience a phenomena known as Image Persistence. Image Persistence occurs when residual or “ghost” image of a previous image remains visible on the screen. Unlike CRT monitors, LCD monitors’ image persistence is not perma...
Page 34 - Controlling the LCD monitor via RS-232C Remote Control
English-32 Controlling the LCD monitor via RS-232C Remote Control This LCD monitor can be controlled by connecting a personal computer with a RS-232C terminal. Functions that can be controlled by a personal computer are: • Power ON or OFF • Switching between input signals Connection LCD Monitor + PC...
Page 36 - Features
English-34 Reduced Footprint: Provides the ideal solution for environments requiring superior image quality but with size and weight limitations. The monitor’s small footprint and low weight allow it to be moved or transported easily from one location to another. Color Control Systems: Allows you to...
