NCR RealPOS 7199 - Page 160

E-142 Thai Code Page Function
Thai Character Data Procedure
Thai character data string uses the following format:
Base character, <Below character >, <Above character>, <Top character>,
Base character, ……
The printer checks whether the received character is the Base character. If the Top,
Above, Below characters are sent before the Base character, these characters are ignored.
After receiving the Base character, the printer checks the next character until it receives
the next Base character.
If next character is the Below character, the Above character or Top character, 7199
RealPOSThermal Receipt Station checks whether these Thai characters are valid for the
current Base character. If valid, 7199 RealPOSThermal Receipt Station merges the
characters images on the Base character image. If invalid, the characters are ignored.
Notes for this Function
This function supports standard pitch font and compressed pitch font. Thai character
height is 34 dots. The below command functions change, and are different from other
code pages.
SYN
Add n Extra Dot Rows.
Note: When CP874 is selected, the line Pitch is 34 + n dot
ESC 2
Set Line Spacing to 1/6 inch.
Note: When CP874 is selected, this command is ignored.
ESC 3
SetLine Spacing.
Note: When CP874 is selected, valid parameter value is >= 34.