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Bit Bit Decimal Meaning
No. value value
0 1 Unused (Always 0)
1 2 0 Still does not draw.
1 Already drew.
2 4 Unused (Always 0)
3 8 0 Data exist in I/O buffer
8 No data exists in I/O
buffer
4 16 0 Pause OFF
16 Pause ON
5 32 32 Unused (Always 0)
6, 7 64, 128 Unused (Always 0)
8 256 256 Always ON (256)
9 512 0 WD, or [ESC]. O
instruction was executed.
512 A function key was
pressed in the Keyboard
Mode.
10—15 Unused (Always 0)
n Handshake
0 ENQ/ACK (dummy)
1 Xon/Xoff
2 ENQ/ACK (mode 2)
3 Hardwire
Instruction Format Parameter Range ([ ] is default) Explanation
ESC .I [ESC].I<P1>;<P2>; P1:Limit of the remaining 0—15358(byte) [80(byte)] Used for performing the Xon/Xoff handshake and
Set Xon/Xoff
<P3>
;
••••••••;<P12>: buffer capacity (for Xon/Xoff) the ENQ/ACK handshake mode 2. Handshake and The number of data block bytes The [ESC].I instruction with no parameter performs
ENQ/ACK Handshake (for ENQ/ACK (mode2)) a dummy handshake. In a dummy handshake, al-
Mode2 P2:ENQ character [0(Sets nothing)] ways returns the ACK character to the host com-
(for ENQ/ACK (mode2)) puter, regardless of the remaining buffer capacity,
0(for Xon/Xoff) when receiving the ENQ character.
P3—P12 [All 0(Sets nothing)]
:Xon character(for Xon/Xoff)
ACK character
(for ENQ/ACK (mode2))
ESC .P [ESC].Pn: n :Handshake type 0—3 [0] Sets the type of handshake used.
Select Handshake The types of handshakes corresponding to the para-
meters 0 to 3 and the setting combinations of their
equivalent device control instructions are as
follows:
Status Instructions
ESC .A [ESC].A: None When receiving this instruction, returns the follow-
Output Model Name ing numerals to the host computer.
1610
ESC .O [ESC].O: None Outputs the decimal value that represents the status
Output Status Word of a plotter. This value is the sum of bits shown in
the table below.
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