TH250
Programmer’s Guide
87
Automatic Status Back
Enable/disable Automatic Status Back (ASB)
ASCII
Hexadecimal
Decimal
GS a n
1D 61 n
29 97 n
Range of
n
:
0 - 255
Default:
0 (ASB disabled)
Enables or disables automatic status back (ASB) and specifies the status items. This command is a
batch mode command; that is, it is processed after all prior data in the input buffer has been
processed. There may be a time lag between the printer receiving this command and changing the
ASB response, depending on the receive buffer contents.
If any of the status items listed are selected, ASB is enabled and the printer automatically transmits
4 status bytes whenever the selected status changes. If no status is selected, ASB is disabled. All
four status bytes are transmitted without checking DSR
If the error status is enabled, a change in the following conditions will trigger the ASB:
Cash Drawer
Receipt Cover
Knife Error
Out-of-Range Printhead Temperature
Out-of-Range Voltage
Paper Exhaust Status
The bits of n are defined in the table.
Bit
Off/On Hex
Decimal
Status for ASB
0
Off
00
0
Cash drawer status disabled.
On
01
1
Cash drawer status enabled.
1
Off
00
0
RS-232C Busy status disabled.
On
02
2
RS-232C Busy status enabled.
2
Off
00
0
Error status disabled.
On
04
4
Error status enabled.
3
Off
00
0
Receipt paper roll status disabled.
On
08
8
Receipt paper roll status enabled.
4
Off
00
0
Undefined
5
Off
00
0
Undefined
6
Off
00
0
Undefined
7
On
00
0
Undefined
Exceptions
If n = 0, ASB is disabled
Содержание TH250
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