NCR 7167 Owner's Manual page 227

7167 Owner's Manual
Erase User Flash Sector
Erases a page of Flash Memory and sends a carriage return when the operation is
complete.
n = 49 (ASCII n = 1)
This command erases all sectors available for user-defined characters and multiple logos.
The page should be erased in two situations: when the logo definition area is full and an
application is attempting to define new logos, and when an application wants to replace
one user-defined character set with another. In both cases, all logos and character set
definitions are erased and must be redefined.
n = 50 (ASCII n = 2)
This command erases all sectors available for user data storage.
Important: While erasing Flash Memory, the printer disables all interrupts, including
communications. To provide feedback to the application, the printer responds to the
application when the erase is complete. After sending the Erase User Flash Sector (1D 40 n)
command, an application should wait for the response from the printer before sending
data. Otherwise, data will be lost. If an application is unable to receive data, it should wait
a minimum of five seconds after sending the Erase User Flash Sector (1D 40 n) command
before sending data.
Example:
MSComm1.Output = Chr$(&H1D) & Chr$(&H40) & Chr$(n)
ASCII: GS @ n
Hexadecimal: 1D 40 n
29 64 n
Decimal:
Value of n: 49 - 50
November 2002
Chapter 6: Commands
205