NCR Customer Display NCR 5972 - Manual (Page 35)

Chapter 4: Programming Set Up 4-5
Erase Display
Format: 1B 02
Description: This command clears all of the displayed characters
by writing a space to each display position. A space is defined as
character 0x20 of the current character set. The cursor moves to the
0 position.
Set Diagnostic State On
Format: 1B 04
Description: This state is exclusive from the On and Low Power
States. This command causes the firmware to display the current
firmware part number of the device for five seconds, and then step
through each installed 256‐character set (default and user‐defined)
displaying one character at a time on all 40 display positions at a
rate of about one character per second. The firmware starts with the
currently selected character set, and then displays all of the
characters from the other sets the same way. This continues until
one of the other state commands is performed. Prior display data is
saved and can be restored before sending the Set Display State On.
Note: The LCD only has one character set.