NCR 7446, User Manual

Page: 113 / 150

Chapter 5: 2x20 Customer Display (7446-K453) 5-11
Commands
RealPOS 20 Standard Mode Command List
Command Code (hex) Function Description
ESC F A .. CR 1B 46 41 [DATA X 40] 0D Write string to upper line
ESC F B .. CR 1B 46 42 [DATA X 40] 0D Write string to lower line
ESC F D .. CR 1B 46 44 [DATA X 40] 0D Upper line message scroll continuously
ESC F O .. CR 1B 46 4F [DATA X 40] 0D Bottom line message scroll continuously
ESC P x y 1B 50 x y 1
≦
x
≦
20,y=1,2 Move cursor to specified position
ESC _ n 1B 5F n n=00,01 Set cursor on/off
ESC DC1 1B 11 Overwrite mode
ESC DC2 1B 12 Vertical scroll mode
ESC DC3 1B 13 Horizontal scroll mode
ESC @ 1B 40 Initialize display
US MD2 n 1F 02 n n=01~0Ch Message vertical down scroll continuously
US MD1 n 1F 01 n n=01~0Ch Message vertical upper scroll continuously
US DC1 n 1F 11 n n=’1’,’2’ Set line blinking
N=’1’ up line , n=’2’ low line
US DC2 n 1F 12 n n=’1’,’2’ Clear line blinking
N=’1’ up line , n=’2’ low line
US E n 1F 45 n n=0~FFh Blink display screen
NULL H 0 48 Move cursor up
NULL K 0 4B Move cursor left
NULL M 0 4D Move cursor right