Olivetti PR 4 - Page 53

Epson TM-U950 Commands 4-17
ESC = n
Select peripheral device
Hexadecimal code: 1B 3D n
Range:
n = 0-255
Selects device to which host computer sends data, using
n
as follows:
Bit Off/On Hex Decimal Function
0 Off 00 0 Printer disabled.
On 01 1 Printer enabled.
1 Off 00 0 Customer display disabled.
On 02 2 Customer display enabled.
2-7 - - - Undefined.
Notes:
- When the printer is disabled, it ignores all data except for error-recovery commands (DLE
ENQ 1, DLE ENQ 2) until it is enabled by this command.
- Even if the printer is disabled, it may go off-line due to manual printer operation.
Default
- When turning on the printer:
- n = 2, if the customer display is enabled via setup (DISPLAY: ENABLE)
- n = 1, if the customer display is disabled via setup (DISPLAY: DISABLE)
-
When executing ESC @, default values of the parameter
n
change as follows, depending
on the value set by ESC = just before processing ESC @ and on the setup:
- if
n
was
1
, remains unchanged
- if
n
was
2
, remains unchanged
- if
n
was
3,
then n: becomes 2 when the customer display is enabled via setup
becomes 1 when the customer display is disabled via setup.