Citizen CT-S2000 - ESC U N (Serial Model Only) (Transmitting the Status of Peripheral Equipment)

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ESC u n (Serial Model Only) 
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[Function] Sending the peripheral device status
[Code] <1B>H<75>H<n>
[Outline] Send the current drawer kick connector pin#3 status.
• n has the type shown in the table below:
n Connector Pin
0 Drawer kick connector pin#3
[Caution] • Status to be sent uses 1 byte that has the value listed in the table below.
• DTR/DSR control sends 1 byte only after checking that host is ready to receive (DSR
signal: space status). For XON/XOFF control, 1 byte is sent without checking DSR
signal status.
• For DTR/DSR, if host is not ready to receive (DSR signal: mark status), it waits for
ready condition to receive.
• Paper-end status causes BUSY status, thus this command may be in the
receive-not-ready status.
• This command is only enabled for serial interface.
Value
Bit Function
0 1
0 Pin #3 level 󳘙L󳘚 󳘙H󳘚
1 Undefined 󳘗󳘗 󳘗󳘗
2 Undefined 󳘗󳘗 󳘗󳘗
3 Undefined 󳘗󳘗 󳘗󳘗
4 Unused 0: Fixed 󳘗󳘗
5 Undefined 󳘗󳘗 󳘗󳘗
6 Undefined 󳘗󳘗 󳘗󳘗
7 Undefined 󳘗󳘗 󳘗󳘗
[Sample Program]
OPEN "COM1:N81NN" AS #1 󳛏 OPEN statement depends on types of BASIC.
PRINT #1,CHR$(&H1B);"ｕ";CHR$(0)
A$ = INPUT$(1,#1)
CLOSE #1