ViewSonic Cd4620 Users Guide

ViewSonic CD4620  38 
Specifications 
 
Product specifications  Analog Input  Digital Input 
LCD Module   
Diagonal: Pixel Pitch: Resolution: Color: Brightness: Contrast Ratio: Response time: View Angle: Design View Distance: 
46 / 116.8 cm 
0.53025 mm 
1920 x 1080 dots 
Over 16 million colors (depending on video card used) 
450 cd/m2 (typ.) 
1500:1 (typ.) 
6 ms (typ. G to G) 
Up and Down 176°, Left and Right 176° (typ.)    @CR>10 
1100 mm / 43.34 inches 
Frequency Horizontal: Ve rt i c a l : 15.625 /...

ViewSonicCD4620 39
Customer Support
For technical support or product  service, see the table below or contact your reseller.
NOTE:  You will need the product serial number.
Country/RegionWebsite T = Telephone
F = FAXEmail
Australia/New Zealand www.viewsonic.com.au AUS= 1800 880 818
NZ= 0800 008 [email protected]
Canada www.viewsonic.com T= 1-866-463-4775 
F= [email protected]
Europe/Middle East/
Baltic countries/North 
Africa www.viewsoniceurope.com Contact your reseller...

ViewSonicCD4620 40
Limited Warranty
VIEWSONIC® LCD DISPLAY
What the warranty covers:
ViewSonic warrants its  products to be free from defects in  material and workmanship, under 
normal use, during the warranty period. If a pr oduct proves to be defective in material or 
workmanship during the warranty period, ViewSoni c will, at its sole option, repair or replace 
the product with a like product. Replacement pr oduct or parts may include remanufactured or 
refurbished parts or components.
How long the...

ViewSonicCD4620 41
Exclusion of damages:
ViewSonics liability is 
limited to the cost of repair or  replacement of the product. ViewSonic 
shall not be liable for:
1. Damage to other property caused by any def ects in the product, damages based upon incon-
venience, loss of use of the product, loss of  time, loss of profits, loss of business opportu-
nity, loss of goodwill, interference with busine ss relationships, or other commercial loss, 
even if advised of the pos sibility of such damages.
2. Any...

ViewSonicCD4620 42
Mexico Limited Warranty
VIEWSONIC® DISPLAY PRODUCTS
What the warranty covers:
ViewSonic warrants its products to be free from defects  in material and workmanship, under normal use, during 
the warranty period. If a product proves to be defectiv e in material or workmanship during the warranty period, 
ViewSonic will, at  its sole option, repair or re place the product with a like produc t. Replacement product or parts 
may include remanufactured or refurbis hed parts or components &...

ViewSonicCD4620 43
4.3: ViewSonic Mexico Limited Warranty Page 2 of 2LCD_LW03 Rev. 1a 06-11-07
Contact Information for Sales & Au
thorized Service (Centro Autorizado de Servicio) within Mexico:
Name, address, of manufacturer and importers:
México, Av. de la Palma #8 Piso 2 Despacho 203, Corporativo Interpalmas, 
Col. San Fernando Huixquilucan, Estado de México
Tel: (55) 3605-1099
http://www.viewsonic.com/la/soporte/index.htm
NÚMERO GRATIS DE ASISTENCIA TÉCNICA PARA TODO MÉXICO: 001.866.823.2004...

ViewSonic CD4620  44 
CD4620/CD4220 RS232 protocol   
 
 
Table of Content 
 
 
 
1 Introduction....................................................................................................... 45 
2 Description......................................................................................................... 45 
2.1 Hardware specification ............................................................................................................ 45 
2.2 Communication...

ViewSonic CD4620  45  3. 
Introduction  
This document describes the hardware interface spec and software protocols of RS232 interface 
communication between Viewsonic Commercial Display and PC or other control unit with RS232 
protocol. 
Viewsonic CD4620 and CD4220 contain with 2 set of protocol command 
1.  Protocol 1, with ID 
This set protocol allow user to assign the ID in the command to control the specify ID monitor 
2.  Protocol 2, without ID 
The set protocol is best for single display control...

ViewSonic CD4620  46  5. 
Protocol 1 : with ID 
5.1 Command Description 
 
Length: Total Byte of Message excluding “CR” 
TV ID Identification for each of TV 
Command Type Identify command type,   
“s” (0x73h) : Set Command 
“g” (0x67h) : Get Command 
“r” (0x72h) : Reply Command 
“p” (0x70h) : RCU Pass-through 
“+” (0x2Bh) : Valid command Reply 
“-“ (0x2Dh) : Invalid command Reply 
Command: Function command code: One byte ASCII code 
Value[1~3]: Three bytes ASCII that defines the value 
CR 0x0D 
 
5.2...

ViewSonic CD4620  47 
Hex   0x38 0x30 0x32 0x73 0x24 0x31 0x37 0x36 0x0D 
Reply (Hex Format) 
Name  Length ID Command Type CR 
Hex   0x34 0x30 0x32 0x2D 0x0D
 
Example3: Set Tint as 32 for TV-03 and this command is valid 
Send (Hex Format)   
Name  Length  ID  Command Type Command Value1  Value2  Value3   CR  
Hex   0x38 0x30 0x33 0x73 0x27 0x30 0x33 0x32 0x0D 
Reply (Hex Format) 
Name  Length ID Command Type CR 
Hex   0x34 0x30 0x33 0x2B 0x0D
 
Example4: Set Tint as 75 for TV-03 and this command is NOT...