VT231 Series - VarTech Systems Inc.
Contents
1. Vertical Pan Direct Access 1 Define the hot key function and for one of the following adjustments Brightness Contrast Volume Freeze Zoom Video Source PIP Direct Access 2 Define the hot key function SEL UP and SEL DN for one of the following adjustments Brightness Contrast Volume Freeze Zoom Video Source PIP Display Orientation Normal Horizontal Inverse Vertical Inverse Inverse Calibrate RGB Gain Color Calibration DISPLAYED IN PC MODE ONLY Load Factory Defaults Recall factory default settings By pressing the hot key the source is in sequence of Analog RGB Composite Video S Video Component Video Volume Adjust the audio volume level functions only if the audio add on installed Most products are not fitted with this option contact factory for details Exit menu The OSD settings chosen will be stored in memory The OSD menu can be cleared from the screen by moving the selection bar to the EXIT icon pressing the button otherwise it will automatically clear after a few seconds time out period of non use VT231W VT231WX VT231RP 12 of 17 150 125 OSD Firmware version Activate the menu selection button and repeat the menu button until the Utilities page is displayed The firmware version is displayed on the right hand side of this page as V1 2E or similar VT231W VT231WX VT231RP 13 of 17 150 125 F PICTURE AD IMENT When the2. 225 298 0300 Toll Free 800 223 8050 Fax 225 297 2440 Email sales vartechsystems com www vartechsystems com VT231W VT231WX VT231RP 17 of 17 150 125
3. monitor is switched on for the first time and a signal applied to the screen will adjust itself to factory default settings and display a picture Use of the menu Autoset facility will bring the picture into near correct adjustment It is possible that some adjustments will be needed to obtain optimum picture quality Use the OSD controls to adjust the Frequency and Phase parameters See Item 4 in the OSD Menu section The first step is to adjust the Frequency FREQUENCY ADJUSTMENT It is advisable to display a picture that has a large number of single pixels or vertical lines The Windows 95 or 98 Shutdown screen is very good for assessing the frequency effect Poor adjustment of frequency causes vertical lines of noise to be displayed Adjust the frequency so that the noise lines move further apart from each other Keep adjusting until the noise lines disappear Windows Shutdown screen Windows Shutdown screen showing poor frequency showing correct frequency VT231W VT231WX VT231RP 14 of 17 150 125 TROUBLE SHOOTIN IDE Symptom Cause Picture not displayed No power blank screen No signal blue screen with legend No Signal Noisy picture over whole screen Phase adjustment needed Noisy picture in bands Frequency adjustment needed 9 Video Modes amp Signal Timings Mode Resolution Clock Horizontal Vertical See ESE mo Prog re 31469 V60 640x480 25 175 31 469 6 SV_60 800x600 40 000 37 879 6
4. switching off by user To the left of the On Off switch is the Power Indicator LED To the right of the Brightness control is the ambient light sensor SERVICE INSTALLATION On Screen Display CONTROLS en Ally Wan A None N Pressing menu button activates the monitor s main set up controls When this is done the monitor displays a menu of adjustments The functions of the brightness and contrast buttons are now changed to operate this menu By pressing the w and w SEL buttons the user may highlight different items on the menu The highlighted item may be adjusted or set by pressing the w and wi ADJ buttons Note that these buttons are sometimes referred to as and on the OSD menu When OSD parameter setting is complete pressing the menu button can close the menu Alternatively the menu can be left to time out and disappear by itself Detailed description of the OSD menus are included in the following pages VT231W VT231WX VT231RP 8 of 17 150 125 OPERATIONAL NOTES In the absence of a video signal the display will show the message No Signal For navigational applications an external and variable source of illumination is required to overcome the brightness knob and control pushbuttons not having variable self lighting The requirement is specified in IEC 60945 6 5c and can be accomplished with a goose neck lamp on a dimmer circuit N SCREEN DISPLAY D MEN To turn on the OSD menu Press the MENU button Move t
5. wide variety of parameters if necessary Once the parameters are set they are stored in non volatile EEPROM This ensures that the set up is retained after power is switched off Operating parameters may also be modified using a RS232 serial data interface There is a loop through RS232 connector allowing the data to pass through to a series of similar displays With each display having a unique address set on an internal DIP switch individual displays can be accessed from a remote controller for dynamically adjusting display parameters The RGB input is buffered and routed to an auxiliary output socket to enable a single source signal to be distributed to a string of serially linked displays All incoming and outgoing signals are terminated at 75 Ohms The AC model has an IEC mains outlet socket that supplies mains power to an auxiliary piece of equipment whilst the monitor is powered and switched on The monitor is designed for operation from AC supply 90 265V 2 HANDLING PRECAUTION The casing of the monitor gives good protection to its internal components However to prevent damage to the LCD display at the front it is important to observe a few simple precautions When the surface is soiled wipe lightly with clean absorbent cotton or other soft cloth The TFT panel and the circuit boards contain devices that are sensitive to Electrostatic Discharge Adequate ESD precautions should be taken during unpacking handling and insta
6. 0 X60 1024x768 65 500 48 363 60 X 871 1024 x 768 AA 900 35 522 Interlaced a hma 108 000 e 60 NTSC S Video 14 318 15734 60 NTSC Composite 14 318 15 734 60 50 VT231W VT231WX VT231RP 15 of 17 150 125 Colour Depth IP LCD NTSC OSD PAL PIP RGB Response Time TFT VGA SVGA XGA SXGA UXGA ry of Term nd Acronvm The number of bits used to store each of the primary colours Ingress Protection rating for equipment sealing against liquid and dust Liquid Crystal Display National Television Standards Committee Standard for American composite video signal On Screen Display Phase Alternated by Line Standard for European composite video signal Picture In Picture Red Green Blue Video signal format using separate signal lines for the three primary colours and sync signals The average response time for the display to react to a change in electrical signal from white to black or black to white Thin Film Transistor the mechanism for flat screen pixel control Display resolution of 640 x 480 Display resolution of 800 x 600 Display resolution of 1024 x 768 Display resolution of 1280 x 1024 Display resolution of 1600 x 1200 Due to a policy of continual improvement the information in this manual is subject to change without notice VT231W VT231WX VT231RP 16 of 17 150 125 CONTACT Vartech Systems Inc 11529 Sun Belt Ct Baton Rouge LA 70809 Phone
7. IN PC MODE ONLY Use the up and down arrow keys to choose a scaler mode Use the or key to modify a following scaler parameters One to One Horizontal Pan Vertical Pan aw Fill Screen enable full screen expansion for lower resolution Image Fill to Aspect ratio enable fill screen expansion for lower resolution image according to aspect ratio Nonlinear Scaling Modes Horiz Clipping Horiz Offset Horiz Stretch Vert Clipping Vert Offset Language Select OSD menu language display 1 English 2 Danish Video source Select the input video signal Analog RGB Component Video Composite Video S Video VT231W VT231WX VT231RP 11 of 17 150 125 Utilities User Setting User Timeout adjust the OSD menu timeout period in a step of 5 seconds DPMS Disable Enable the DPMS function Auto Source Select Off Disable auto source select function Low Auto source select enable ONLY in power up High Auto source select ALWAYS enable 1 0 Default setting 1 6 2 2 OSD Setting OSD Horz Position 5 mi Jmove the OSD menu horizontally OSD Vert Position E E Jmove the OSD menu vertically OSD Background Translucent Opaque OSD Rotate Normal Rotate Freeze Frame Freeze the image use button Zoom Zoom level enable the zoom in function on the image displayed Use button to zoom in the image Use button to decrease the zoomed image Horizontal Pan
8. Solutions for Demanding Applications VARTECH SYSTEMS INC VT231 Series VT231W VI231WX VI 231RP User s Guide Read instructions completely before attempting to operate your Display Contents 1 General Description 2 Handling Precautions 3 Specification 4 Power amp Signal Connections 9 Operating Instructions 6 On Screen Display OSD Menu l Picture Adjustment 8 Trouble Shooting 9 Video Modes amp Signal Timings 10 Glossary of Terms and Acronyms VT231W VT231WX VT231RP 2 of 17 150 125 1 ENERAL DESCRIPTION The monitor uses a TFT Liquid Crystal Display It is fitted with interface circuits that allow it to be connected easily to standard PC graphics cards or to a composite video source The TFT LCD has a 23 1 display diagonal with a native resolution of 1600 x 1200 pixels UXGA The monitor can accept signals of lower resolution such as VGA and SVGA and these signals are scaled so that they are displayed full screen Along with conventional brightness and contrast controls this display has an advanced brightness dimming technique with a 1000 1 dynamic range is employed to meet the demanding needs of night time operation in maritime environments The front panel houses an ambient light sensor and in conjunction with the LED control knob adjusts the brightness of the panel LED to suit prevailing ambient light levels A simple user interface with On Screen Display OSD allows the user to adjust a
9. ay graphic information resolution and frequency Position Image up down Use SEL UP SEL DN to move the image vertically Image left right Use to move the image horizontally Rotation DISPLAYED IN VIDEO MODE ONLY Rotates the image from landscape format to portrait format VT231W VT231WX VT231RP 10 of 17 150 125 9 Picture in Picture DISPLAYED IN PC MODE ONLY PIP Size Off 1 2 3 Select PIP window size close size 1 size 2 and size 3 PIP Source Auto Comp Svid Select video source to be display in PIP window YCbCr Auto automatic detection of Composite S video and Component Comp manual select composite video only SVid manual select S video only YCbCr manual select component video only Horizontal Position adjust the position of the PIP window horizontally Vertical Position adjust the position of the PIP window vertically Advanced PIP Setti Brightness Contrast adjust the image contrast of the PIP window Sharpness adjust the image sharpness of the PIP window Tint adjust the tint of the image of the PIP window Color adjust the color of the image of the PIP window Video Scaling DISPLAYED IN VIDEO MODE ONLY Use the UP and DOWN arrow keys to select the following scaling modes Normal Letterbox Letterbox with Subtitles Nonlinear Scaling Modes Horiz Clipping Horiz Offset Horiz Stretch Vert Clipping Vert Offset Vert Stretch Graphic Scaling Modes DISPLAYED
10. input 9 way D plug RS232 output 9 way D socket 444mm high x 483 wide x 98 5mm deep 267mm high x 464 64mm wide 6mm IP65 front aspect IP20 rear aspect 4 of 17 150 125 Operating Temperature Storage Temperature Operating Humidity Storage Humidity Construction Approvals Type Approvals Note 1 Display Brightn 15 to 55 deg C 20 to 60 deg C 30 to 90 non condensing 10 to 90 non condensing For long term reliability we do not recommend routine operation at extreme temperature and humidity levels Aluminium Housing Toughened safety glass with contrast enhancing optical coatings Designed to comply with IEC 60945 2002 4 Edition weather protection IEC 61174 Pending Intensi Display Brightness is specified with peak white picture content displayed at maximum brightness and contrast settings of the monitor The TFT backlights require 30 minutes of continuous operation to warm up and reach full brightness Some flicker may be noticed during the first moments after switch on as the backlights settle VT231W VT231WX VT231RP 5 of 17 150 125 POWER AND SIGNAL CONNECTOR The power and signal inputs to the monitor are located on the rear of the unit From left to right Top RS232 Input from controller 9 way D Socket Bottom RS232 Output to other displays 9 way D Plug IEC AC Power Outlet AC model DC model does not have a power output connect
11. llation of the TFT monitor There are no user serviceable parts inside the monitor and all servicing must be carried out by qualified personnel The cover should never be removed by unqualified personnel as there are potentially harmful voltages within this equipment VT231W VT231WX VT231RP 3 of 17 150 125 3 SPECIFICATIONS Supply Input voltage Power consumption Fuse Rating Display area Dot Pitch Pixel Format Intensity Contrast Ratio Colour Depth Viewing Angle Response Time Brightness Uniformity Backlight Life Image Resolutions Signal Sources Horizontal scan Vertical scan Clock rate Connectors Dimensions Fixing Centres Fixing Screws Ingress Protection VT231W VT231WX VT231RP 90 265V AC Automatic Detect 65W max 5A ceramic High Rupture AC amp DC models 376 3mm H x 301 1mm V 0 294mm 1600 H x 1200 V 200 cd m2 typical see note 1 500 1 typical 8 Bits per colour 16 million colours 85 deg 15mS typical 25 50 000 Hours typical 640 x 480 pixels 800 x 600 pixels 1024 X 768 pixels 1280 X 1024 pixels 1600 X 1200 pixels RGB V amp H syncs interlaced amp non interlaced PAL NTSC S Video Y C 31 91KHz 60 85Hz 135MHz max IEC mains inlet 3 pin IEC Male IEC mains outlet 3 pin IEC Female RGB video input 15 way D socket RGB video output 15 way D plug Composite video input Phono RCA 3mm socket S Video input S Video socket RS232
12. o next icon Press the MENU button Select options within icon menu Use SEL UP SEL DN buttons the selected option is in yellow Increase decrease setting Use buttons Move selection left right Use buttons the selected option is in green To confirm the selection Use button VT231W VT231WX VT231RP 9 of 17 150 125 OSD functions Brightness and Contrast Brightness ES gopincrease decrease panel brightness level total 100 steps Contrast aS mn fincrease decrease panel contrast level total 100 steps Color Temperature 9500K 8000K 6500K 5000K Adjust the warmness of the image displayed The higher temperature the coolest image looks like The lower temperature the warmest image looks like Video Adjustment DISPLAYED IN VIDEO MODE ONLY Color adjust video color level Tint adjust video tint level Sharpness adjust video image sharpness level E Video Type DVD VCR change brand width to match the source Frequency and Phase DISPLAYED IN PC MODE ONLY Frequency Adjust the image horizontal size Phase Fine tune the data sampling position adjust image quality Video System Select video system and input signals DISPLAYED IN VIDEO MODE ONLY AUTO automatic detection of NTSC and PAL system not applicable in SECAM system NTSC NTSC 4 43 manual select NTSC system PAL PAL M manual select PAL system SECAM manual select SECAM system Status DISPLAYED IN PC MODE ONLY Displ
13. or IEC Filtered and Fused AC Power Inlet AC model DC model has a 3 pole screw locking input connector in this location LED Brightness Adjustment Control Top RGB Buffered Video Output 15 way high density Plug Bottom RGB Video Input 15 way high density Socket S VHS Video Input PAL NTSC Composite Video Input Phono Socket Blanking Plate for unused facility DATA INPUT Standard hi density 15way video connection VIDEO PAL NTSC INPUT 750 BNC input for PAL NTSC composite video 1V peak peak VT231W VT231WX VT231RP 6 of 17 150 125 Pin Function number Red video VH Y INPUT 1 Green Video 4 way Mini Din socket for connection to SVHS 2 Blue Video component video Y C 3 Not 4 connected 6 connected See connector details in RS232 section of the ie Red ground technical manual 8 Green 9 ground Blue 10 ground Not 11 connected 12 Sync ground 13 Not 14 connected 15 Not connected Horizontal sync Vertical sync Not connected VT231W VT231WX VT231RP 7 of 17 150 125 5 OPERATING INSTRUCTIONS The monitor must be connected to a suitable ac power source and a suitable video signal The monitor is switched on using the push button on the front USER CONTROLS Adjustments to the brightness amp contrast are made by front panel controls Brightness On Off standby switch Note Standby switch requires only short press to switch ON but button must be pressed for 5 seconds to switch OFF This feature prevents accidental
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