background image

 

20” Slow Scan User Guide                                                                                                                                        150-082 

-2- 

-2- 

IMPORTANT SAFETY INSTRUCTIONS 
 

Prior to using this product, please ensure that you have carefully followed all the procedures outlined in the 
user’s manual for this product. 
 

 

1.  Read all of these instructions. 
2.  Save these instructions for later use. 
3.  Follow all warnings and instructions marked on the product. 
4.  Unplug this product from the wall outlet before cleaning. Do not use liquid cleaners or aerosol cleaners. 

Use a damp cloth for cleaning. 

5.  Do not use this product near water. 
6.  Do not place this product on an unstable cart, stand or table. The product may fall causing serious 

damage to the product. 

7.  Slots and openings in the cabinet and the back or bottom are provided for ventilation; to ensure reliable 

operation of the product and to protect it from overheating, those openings must not be blocked or 
covered. The openings should never be blocked by placing the product on a bed, sofa, rug, or other 
similar surface. This product should never be placed near or over a radiator or heat register. This product 
should not be placed in a built-in installation unless proper ventilation is provided. 

8.  This product should be operated from the type of power source indicated on the marketing label. If you 

are not sure of the type of power available, consult your dealer or local power company. 

9.  This product is equipped with a 3-wire grounding type plug, a plug having a third (grounding) pin. This 

plug will only fit into a grounding-type power outlet. This is a safety feature. If you are unable to insert the 
plug into the outlet, contact your electrician to replace your obsolete outlet. Do not defeat the purpose of 
grounding -type plug. 

10. Do not allow anything to rest on the power cord. Do not locate this product where persons will walk on the 

cord. 

11. If an extension cord is used with this product, make sure that the total of the ampere  ratings on the 

products plugged into the extension cord do not exceed the extension cord ampere rating. Also, make 
sure that the total of all products plugged into the wall outlet does not exceed 15 amperes.   

12. Never push objects of any kind into this product through cabinet slots as they may touch dangerous 

voltage points or short out parts that could result in a risk of fire or electric shock. Never spill liquid of any 
kind on the product. 

13. Do not attempt to service this product yourself, as opening or removing covers may expose you to 

dangerous voltage points or other risks. Refer all servicing to service   personnel. 

14. Unplug this product from the wall outlet and refer servicing to qualified service personnel under the 

following conditions: 

A.  When the power cord or plug is damaged or frayed. 
B.  If liquid has been spilled into the product. 
C.  If the product has been exposed to rain or water. 
D.  If the product does not operate normally when the operating instructions are   followed. 

Adjust only those controls that are covered by the operating instructions since improper 
adjustment of other controls may result in damage and will often require extensive work by 
a qualified technician to restore the product to normal operation. 

E.  If the product has been dropped or the cabinet has been damaged. 
F.  If the product exhibits a distinct change in performance, indicating a need for  service. 

Содержание VT20A

Страница 1: ...15 to 50kHz For Models VT20A C VT20A CH VT20A CY VT20A R VT20A RH VT20A M User s Guide Read these instructions completely before attempting to operate your new Color Display VarTechSystemsInc Solutions for Demanding Applications Industrial CRT and Flat Panel Displays ...

Страница 2: ...Connections 4 5 Video Connectors 4 Timing 5 3 0 Controls 6 7 User Controls 6 Screen Control Definitions 7 4 0 Power Management 8 5 0 Troubleshooting 9 6 0 Mechanical Drawings 10 17 VT20A C Mechanical 11 12 VT20A CH Mechanical 13 VT20A CY Mechanical VT20A R Mechanical 14 VT20A RH Mechanical 15 VT20A M Mechanical 16 17 7 0 Specifications 18 ...

Страница 3: ...moisture or direct sunlight 2 Use in well ventilated area and do not cover ventilation openings 3 Unauthorized modifications of this equipment or substitution or attachment of not shielded connecting cable may cause excessive interference 4 When the monitor is not in use for a long time turn off power switch WARNINGS and FCC Statement WARNINGS and FCC Statement 1 Section CAUTION To reduce the risk...

Страница 4: ...nsert the plug into the outlet contact your electrician to replace your obsolete outlet Do not defeat the purpose of grounding type plug 10 Do not allow anything to rest on the power cord Do not locate this product where persons will walk on the cord 11 If an extension cord is used with this product make sure that the total of the ampere ratings on the products plugged into the extension cord do n...

Страница 5: ...the user is encouraged to try to correct the interference by one or more of the following measure Reorient or relocate the receiving antenna Increase the separation between the equipment and the receiver Connect the equipment into 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 Shielded interconnected c...

Страница 6: ...connection to VGA type video sources 6 Red Return 13 Horizontal sync 7 Green Return 14 Vertical sync 15 SCL CONNECTORS CONNECTORS 2 Section 1 15 HD15 Connector 1 9 CGA EGA TTL INPUT Standard for VT20A CH and VT20A RH 9 Pin D CONNECTOR Pin CGA Function EGA Function 1 Ground Ground 2 NC Red Intensity 3 Red Red 4 Green Green 5 Blue Blue 6 Intensity Green Intensity 7 NC Blue Intensity 8 Horizontal Syn...

Страница 7: ... 0 594 Border ms 0 0 0 SYNC Polarity H V Timings Timings VGA1 640 X 350 VGA2 720 X 400 VGA3 640 X 480 MAC35k Mode 1 2 3 4 Hor Freq kHz 31 468 31 468 31 468 34 975 Vert Freq Hz 70 09 70 09 59 94 66 62 Dot Clock MHz 25 175 28 322 25 175 31 3344 Hor Total Time 31 778 31 778 31 778 28 59 Hor Active Time us 26 058 26 058 26 058 20 421 Front Porch us 0 318 0 318 0 318 2 553 SYNC Pulse Width us 3 81 3 81...

Страница 8: ...nel with Key Function USER CONTROLS Power control Push the switch Power indicator The power LED is green when the display is in normal operation Degauss switch This monitor is equipped with automatic and manual OSD degaussing Automatic degaussing is operativewhen the monitor is cold after being off for approximately 20 minutes Therefore if the monitor is repositioned while it is warm and discolora...

Страница 9: ...osition To adjust the horizontal position of the OSD control OSD V position To adjust the vertical position of the OSD control OSD timer To adjust the time duration of the OSD control until it is turned off Top corner To adjust the symmetry of the top two display corners Bottom corner To adjust the symmetry of the bottom tow display corners V focus To adjust the vertical focus of the display image...

Страница 10: ...e No pulse Blanked 15 Watts Power Consumption The following is a description of these power states and the power consumed state REINITIALIZING POWER To reactivate a display that had gone inactive under its Power Management function do one of the following 1 If the display has powered off under its Power Management function due to the system unit being switched off you must power up the system unit...

Страница 11: ...n turned down to minimum levels Picture is small or distorted and Control Buttons will not correct 1 Check that the video signal being input from the Video Card falls within the frequency range of the Display 2 Check that Video Signal Cable from the Display has been securely and correctly connected to the 15 pin Video Connector on the rear panel of the Computer 3 If you have used an adapter to con...

Страница 12: ...0A CH 20 Honeywell Configured Chassis Mount Mechanical Drawing 13 VT20A CY 20 Yokogawa Configured Chassis Mount Mechanical Drawing VT20A R 20 Rack Mount Mechanical Drawing 14 VT20A RH 20 Honeywell Configured Rack Mount Mechanical Drawing 15 VT20A M 20 Tabletop Drawing 16 17 MOUNTING INSTRUCTIONS MOUNTING INSTRUCTIONS 7 Section 10 ...

Страница 13: ...C 120V 60Hz 1 0A at 220V 50Hz Power Consumption 130 Watts 30 Watts Standby 15 Watts suspend Mode Horizontal Frequency 15kHz to 50kHz Vertical Frequency 45Hz to100Hz Bandwidth 90MHz Video Input Connector HD15 F and 5BNC DB9 VT20A CH and VT20A RH Video Input Signal Analog 0 7 Vp p Sync Separate Horizontal and Vertical TTL Syncs Or Composite TTL Syncs Or Sync on Green 0 3V p p Temperature Operating 0...

Страница 14: ...2 VARTECH SYSTEMS INC HEADQUARTERS 11529 Sun Belt Ct Baton Rouge Louisiana 70809 Toll Free 800 223 8050 International Phone 001 225 298 0300 Fax 225 297 2440 E mail sales vartechsystems com www vartechsystems com 150 082 004 4 27 04 ...

Отзывы: