Appendix B: Remote Communication
222PS Operator Manual
AĆ15
<mode byte>
is composed of two characters that indicate
the mode the 222PS requires to display a waveform.
Normally this byte will be 00. If the waveform is not
completely filled (which can happen at very high sweep
speeds), this byte will be 02. If it is an XY waveform, the
byte will be 03.
<byte count>
is composed of four ASCII characters repreĆ
senting the data byte count for the waveform data (in
hexadecimal).
<waveform data>
can be one of two ASCII character
sequences, depending on which display mode the
instrument is in. In YT mode, each data point is the
hexadecimal value (represented by two ASCII characĆ
ters) of the YĆcoordinate. In XY mode, the XĆ and YĆcoorĆ
dinates are sent as two hexadecimal values (represented
by four ASCII characters) with the XĆcoordinate value
first, followed by the YĆcoordinate value.
<checksum>
is composed of two ASCII characters that
represent the hexadecimal twos complement of the
modulo 256 checksum of all data bytes, byte count
bytes, and mode byte.
NOTE
Programmers: additional bytes may be added to the data
string after the checksum byte. This space is reserved for
future expansion.
H
BUT <button>;
This command simulates a button press, where <button> is
composed of one or two ASCII characters that represent a button
code. The button codes are shown in Table AĆ1.
TableĂAĆ1:ăBUT Button Codes
Code
Simulated Button Press
1
CLEAR
2
Menu Item 0
3
Menu Item 1
Appendix B: Remote Communication
222PS Operator Manual
AĆ15
<mode byte>
is composed of two characters that indicate
the mode the 222PS requires to display a waveform.
Normally this byte will be 00. If the waveform is not
completely filled (which can happen at very high sweep
speeds), this byte will be 02. If it is an XY waveform, the
byte will be 03.
<byte count>
is composed of four ASCII characters repreĆ
senting the data byte count for the waveform data (in
hexadecimal).
<waveform data>
can be one of two ASCII character
sequences, depending on which display mode the
instrument is in. In YT mode, each data point is the
hexadecimal value (represented by two ASCII characĆ
ters) of the YĆcoordinate. In XY mode, the XĆ and YĆcoorĆ
dinates are sent as two hexadecimal values (represented
by four ASCII characters) with the XĆcoordinate value
first, followed by the YĆcoordinate value.
<checksum>
is composed of two ASCII characters that
represent the hexadecimal twos complement of the
modulo 256 checksum of all data bytes, byte count
bytes, and mode byte.
NOTE
Programmers: additional bytes may be added to the data
string after the checksum byte. This space is reserved for
future expansion.
H
BUT <button>;
This command simulates a button press, where <button> is
composed of one or two ASCII characters that represent a button
code. The button codes are shown in Table AĆ1.
TableĂAĆ1:ăBUT Button Codes
Code
Simulated Button Press
1
CLEAR
2
Menu Item 0
3
Menu Item 1
Summary of Contents for 222PS
Page 6: ......
Page 18: ...Contents xii Contents xii ...
Page 21: ...Overview Overview ...
Page 22: ......
Page 27: ...At a Glance At a Glance ...
Page 28: ......
Page 45: ...In Detail In Detail ...
Page 46: ......
Page 50: ...Acquisition Modes In Detail 3Ć4 Acquisition Modes In Detail 3Ć4 ...
Page 54: ...Auto Setup In Detail 3Ć8 Auto Setup In Detail 3Ć8 ...
Page 60: ...Calibration In Detail 3Ć14 Calibration In Detail 3Ć14 ...
Page 66: ...Channels In Detail 3Ć20 Channels In Detail 3Ć20 ...
Page 70: ...The Display In Detail 3Ć24 The Display In Detail 3Ć24 ...
Page 76: ...Horizontal Operation In Detail 3Ć30 Horizontal Operation In Detail 3Ć30 ...
Page 96: ...Probes In Detail 3Ć50 Probes In Detail 3Ć50 ...
Page 106: ...Saving and Recalling Data In Detail 3Ć60 Saving and Recalling Data In Detail 3Ć60 ...
Page 108: ...Store Mode In Detail 3Ć62 Store Mode In Detail 3Ć62 ...
Page 124: ...Vertical Operation In Detail 3Ć78 Vertical Operation In Detail 3Ć78 ...
Page 127: ...Appendices Appendices ...
Page 128: ......
Page 170: ...Appendix C Quick Checks Appendices AĆ42 Appendix C Quick Checks Appendices AĆ42 ...
Page 210: ...Appendix F Accessories Appendices AĆ82 Appendix F Accessories Appendices AĆ82 ...
Page 211: ...Glossary Index Glossary Index ...
Page 212: ......
Page 230: ...Index Index IĆ10 Index Index IĆ10 ...
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Page 232: ......