Справочник Пользователя для Citizen Systems iDP-3551

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ESC "u" n
[Function]
Sending the status for peripheral device
[Code]
<1B>H <75>H n
[Range]
n = 0
[Outline]
This commands sends the status of the connector No. 3 pin.
n
Connector Pin
0
Drawer kick-out connector No. 3 pin
Status Sent
Value
Bit
Function
0
1
0
No. 3 pin's level
“LOW”
“HIGH”
1
Undefined
2
Undefined
3
Undefined
4
Undefined
5
Undefined
6
Undefined
[Caution]
This command is valid only for the serial interface.  If nothing is connected to the connector,
the bit 0 will be always "1".  In case of DTR/DSR control, if the host cannot receive (DSR
signal has the Mark status), the printer will wait until it will be ready to receive.  In case of
XON/XOFF control, only one byte will be sent without confirming the status of the DSR
signal.  Note that it may take time to send the status after receiving the command.