Screen On NDC+ Part 1

A screen is a string of characters that defines what is to displayed to screen. there a two type of screen; customised and reserved. for customised , the screen is design and created by self, and for reserved, the screen create and defined by default system.

On customised Screen we can decide for set text and picture for displayed on the screen, the data is downloaded to the terminal in a screen data load messagge. All Screen thar are  accesed by the state table are stored in the screen table. each screen in table has a unique number from 000 to 999 and it's number that referenced by parameter in the state tables during transaction processing.

for Reserverd Screen is a screen that is already defined within the terminal software. there a type for reserved screen. some type for reserverd screen like list below.

A= Supervisor screen
C= Cardholder Display
G= Graphics Pictures
L= Displayed Logo
K= Extended Screen Controls
..Etc.

For card holder Display is prompted for card holder for screen during transaction. the default card holder display for this type.

Screen "C00"
for prompts card holder if transaction have failed transaction or time out state on communication with Host.

Screen "C01"
Displayed Off-Line Screen

Screen "C02"
Displayed Out of service Mode

For Graphic Picture screen type "G" for reserved is;
"G00" Standard Insert Card Picture
"G01" Standard Press key a picture
"G03" Standard Make A Deposit Picture
"G04" Standard Take receipt Picture
"G05" Standard Take Money Picture
"G06" Standard Take Statement Picture.

to becontinued ..