Keysight DSOX1202A - Setup for UART;RS232 Signals

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313

Keysight InfiniiVision 1200 X-Series and EDUX1052A/G Oscilloscopes

User's Guide

29 UART/RS232 Triggering

and Serial Decode

Setup for UART/RS232 Signals / 313

UART/RS232 Triggering / 315

UART/RS232 Serial Decode / 318

UART/RS232 triggering and serial decode is available on DSOX1200-Series and

EDUX1052A/G oscilloscopes.

Setup for UART/RS232 Signals

To set up the oscilloscope to capture UART/RS232 signals:

1 Press [Display] > Labels > Display to turn on labels.

2 Press the [Analyze] key.

3 Press Features; then, select Serial Bus.

4 Press Features again (or push the Entry knob) to enable the serial bus display.

5 Press the Mode softkey; then, select UART/RS232.

Main Page

Default Chapter3
- Infiniivision 1200 X-Series and EDUX1052A/G Oscilloscopes-At a Glance3
- In this Guide6
- Table of Contents9
1 Getting Started21
- Inspect the Package Contents21
- Power-On the Oscilloscope22
- Connect Probes to the Oscilloscope23
  - Maximum Input Voltage at Analog Inputs23
  - Do Not Float the Oscilloscope Chassis23
- Input a Waveform23
- Recall the Default Oscilloscope Setup24
- Use Autoscale24
- Compensate Passive Probes25
- Learn the Front Panel Controls and Connectors26
  - Front Panel Overlays for Different Languages33
- Learn the Rear Panel Connectors33
- Learn the Oscilloscope Display34
- Access the Built-In Quick Help36
- Select the User Interface Language36
2 Horizontal Controls38
- To Adjust the Horizontal (Time/DIV) Scale38
- To Adjust the Horizontal Delay (Position)39
- Panning and Zooming Single or Stopped Acquisitions40
- To Change the Horizontal Time Mode (Normal, XY, or Roll)40
  - XY Time Mode41
- To Display the Zoomed Time Base44
- To Change the Horizontal Scale Knob's Coarse/Fine Adjustment Setting45
- To Position the Time Reference (Left, Center, Right)46
3 Vertical Controls48
- To Turn Waveforms on or off (Channel or Math)49
- To Adjust the Vertical Scale49
- To Adjust the Vertical Position49
  - Vertical Controls49
- To Specify Channel Coupling50
- To Specify Bandwidth Limiting50
- To Change the Vertical Scale Knob's Coarse/Fine Adjustment Setting51
- To Invert a Waveform51
- Setting Analog Channel Probe Options51
4 Analog Bus Display57
5 FFT Spectral Analysis57
- FFT Measurement Hints60
- FFT Units61
- FFT DC Value61
- FFT Aliasing62
- FFT Spectral Leakage63
6 Math Waveforms66
- To Display Math Waveforms66
- To Perform a Math Function on an Arithmetic Operation67
- To Adjust the Math Waveform Scale and Offset67
- Units for Math Waveforms67
- Math Operators68
  - Add or Subtract68
  - Multiply or Divide69
- Math Transforms70
  - FFT Magnitude, FFT Phase70
- Math Filters74
  - Low Pass Filter74
7 Reference Waveforms77
- To Save a Waveform to a Reference Waveform Location77
- To Display a Reference Waveform78
- To Scale and Position Reference Waveforms79
- To Adjust Reference Waveform Skew79
- To Display Reference Waveform Information80
- To Save/Recall Reference Waveform Files To/From a USB Storage Device80
- 8 Serial Bus Decode/Trigger81
- 9 Display Settings83
10 Labels91
- To Turn the Label Display on or off91
- To Assign a Predefined Label to a Channel92
- To Define a New Label93
- To Load a List of Labels from a Text File You Create94
- To Reset the Label Library to the Factory Default95
11 Triggers97
- Adjusting the Trigger Level99
- Edge Trigger99
- Forcing a Trigger99
- Pulse Width Trigger102
- Pattern Trigger104
- Rise/Fall Time Trigger106
- Setup and Hold Trigger107
- Video Trigger108
- Serial Trigger118
- To Select the Auto or Normal Trigger Mode122
12 Trigger Mode/Coupling122
- To Select the Trigger Coupling124
- To Enable or Disable Trigger HF Reject125
- To Enable or Disable Trigger Noise Rejection125
- To Set the Trigger Holdoff126
- External Trigger Input127
13 Acquisition Control129
- Running, Stopping, and Making Single Acquisitions (Run Control)129
- Overview of Sampling130
- Selecting the Acquisition Mode135
- Acquiring to Segmented Memory141
- To Make Cursor Measurements146
- Cursor Examples150
- To Make Automatic Measurements156
- Measurements Summary157
  - Snapshot All159
- Voltage Measurements160
- Time Measurements167
- Count Measurements174
- Measurement Thresholds175
- Measurement Window with Zoom Display177
16 Mask Testing179
- To Create a Mask from a "Golden" Waveform (Automask)179
- Mask Test Setup Options182
- Mask Statistics184
- To Manually Modify a Mask File185
- Building a Mask File188
  - How Is Mask Testing Done191
17 Digital Voltmeter193
18 Frequency Response Analysis197
- To Make Connections197
- To Set up and Run the Analysis198
- To View and Save the Analysis Results200
19 Waveform Generator203
- To Select Generated Waveform Types and Settings203
- To Specify the Expected Output Load206
- To Add Noise to the Waveform Generator Output207
- To Use Waveform Generator Logic Presets207
- To Add Modulation to the Waveform Generator Output208
- To Restore Waveform Generator Defaults213
20 Save/Recall (Setups, Screens, Data)215
- Saving Setups, Screen Images, or Data215
- Recalling Setups, Masks, or Reference Waveforms222
- Performing a Secure Erase224
- Recalling Default Setups224
21 Print (Screens)227
- To Print the Oscilloscope's Display227
- To Set up Network Printer Connections229
- To Specify the Palette Option230
- To Specify the Print Options230
- I/O Interface Settings231
- Setting up the Oscilloscope's LAN Connection232
  - To Establish a LAN Connection233
  - Stand-Alone (Point-To-Point) Connection to a PC234
22 Utility Settings232
- File Explorer234
- Setting Oscilloscope Preferences236
- Setting the Gen out Source240
- Setting the Oscilloscope's Clock240
- Enabling Remote Command Logging241
- Performing Service Tasks243
- Configuring the [Quick Action] Key246
  - Utility Settings247
- Accessing the Web Interface250
23 Web Interface250
- Control Instrument251
- Get Image254
- Save/Recall255
  - Saving Files Via the Web Interface255
  - Recalling Files Via the Web Interface256
- Identification Function257
- Instrument Utilities258
- Setting a Password259
24 Reference261
- Measurement Category261
- Specifications and Characteristics261
- Environmental Conditions263
  - Declaration of Conformity263
- Probes and Accessories263
- Binary Data (.Bin) Format264
- Software and Firmware Updates264
- CSV and ASCII XY Files271
  - CSV and ASCII XY File Structure272
  - Minimum and Maximum Values in CSV Files272
- Acknowledgements273
- Product Markings and Regulatory Information273
25 CAN Triggering and Serial Decode275
- Setup for CAN Signals275
- CAN Triggering277
- CAN Serial Decode279
26 I2C Triggering and Serial Decode285
- Setup for I2C Signals285
- I2C Triggering286
- I2C Serial Decode290
  - Interpreting I2C Decode291
  - Interpreting I2C Lister Data292
27 LIN Triggering and Serial Decode293
- Setup for LIN Signals293
- LIN Triggering295
- LIN Serial Decode297
  - Interpreting LIN Decode299
  - Interpreting LIN Lister Data300
- Setup for SPI Signals301
28 SPI Triggering and Serial Decode301
- SPI Triggering307
- SPI Serial Decode309
  - Interpreting SPI Decode311
  - Interpreting SPI Lister Data312
- Setup for UART/RS232 Signals313
29 UART/RS232 Triggering and Serial Decode313
- UART/RS232 Triggering315
- UART/RS232 Serial Decode318

Keysight DSOX1202A - Setup for UART;RS232 Signals

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