Specifications

Programmers Guide TH230/TH230+
52
ESC =
Function:
Select peripheral device
Code ASCII: ESC = n
Code HEX: 0x1B 0x3D n
Range:
1 n 3
Default: n = 1
Description:
Selects the device to which the host computer sends data, using n as
follows:
n Function
1
Enables the printer
2
Enables the customer display
3 Enables the printer and customer
display
Notes:
When the printer is disabled, it ignores all received data and commands
with the exception of ESC = and real-time commands.
If ASB is enabled when the printer is disabled by this command, the
printer transmits the ASB status message whenever the status changes.
ASB is specified by GS a.
Settings of this command are effective until the printer is reset, the
power is turned off or ESC @ is executed (only when printer was
enabled by ESC =; otherwise the command ESC @ is send only to the
display),
After ESC @ the default value (n = 1 = printer) is selected (only when
printer was enabled by ESC =; otherwise the command ESC @ is send
only to the display),
This command is igored if the interface card of the printer is not
equipped with a customer display connector,