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UNI-T UTD2072CL User Manual

UNI-T UTD2072CL
65 pages
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UTD2000 Series
Digital Oscilloscope
User Manual
www.uni-trend.com.cn

Table of Contents

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UNI-T UTD2072CL Specifications

General IconGeneral
Bandwidth70 MHz
Sample Rate1 GSa/s
Channels2
Display7 inch TFT LCD
Rise Time≤ 5 ns
Display Resolution800 x 480 pixels
Trigger TypeEdge, Pulse
InterfacesUSB
Power100-240 VAC, 50/60 Hz
Vertical Resolution8 bit
Power Supply100-240 VAC, 50/60 Hz

Summary

General Safety Overview

Safety Terms and Symbols

Chapter I Introduction

1.1 General Inspection

Inspect the instrument for damages and check accessories after purchase.

1.2 Function Inspection

Perform a fast function check to verify the oscilloscope is operating normally.

1.3 Front and Rear Panel

Description of the front and rear panels of the oscilloscope, including controls and interfaces.

1.4 Display Overview

Explanation of the display screen elements, status bar, and soft button menus.

1.5 Automatic Waveform Display Settings

How the DSO automatically adjusts vertical scale, time base, and trigger for optimal waveform display.

1.6 Vertical System Introduction

Overview of the vertical control area, including position and scale adjustments.

1.7 Horizontal System Introduction

Overview of the horizontal control area, including time base scale and position adjustments.

1.8 Trigger System Introduction

Overview of the trigger control area, including level adjustment and trigger menu.

Chapter II Vertical System

2.1 Setting Coupling Channel

Configuring the coupling mode (AC, DC, GND) to filter or pass signal components.

2.2 Setting Channel Bandwidth Limit

Setting the bandwidth limit (e.g., 20MHz or Full BW) to filter high-frequency components.

2.3 Setting Probe Attenuation

Setting the probe attenuation coefficient (e.g., 10x) in the channel menu for accurate readings.

2.4 Vertical Volts/Div Adjustment

Adjusting the vertical scale (Volts/Div) for optimal waveform display resolution.

2.5 Waveform Inverting Settings

Inverting the displayed waveform by 180 degrees using the Invert function.

2.6 Unit Setting

Setting the display unit for channels to Volts (V) or Amps (A).

2.7 Mathematical Operation Function

Performing mathematical operations (+, -, ×, ÷) on waveforms from different channels.

2.8 FFT Spectral Analysis

Converting time-domain signals to frequency-domain using Fast Fourier Transform (FFT).

2.9 Digital Filter

Filtering signal frequencies using digital filter settings like low pass or band pass.

Chapter III Horizontal System

3.1 Horizontal Control

Controlling the horizontal time base scale and waveform position on the screen.

3.2 Explanation of Nouns

Definitions of key terms like YT Mode, XY Mode, Scan Mode, and SEC/DIV.

3.3 Window Extension

Enlarging waveforms for detailed viewing using window extension and time base adjustment.

3.4 XY Mode Measurement

Using XY Mode (Lissajous figures) to measure phase difference between two signals.

Chapter IV Trigger System

Trigger Control Overview

Overview of trigger level, set to zero, and trigger menu controls for stable waveform capture.

4.1 Edge Trigger

Triggering the oscilloscope based on the rising or falling edge of a signal.

4.2 Pulse Width Trigger

Triggering the oscilloscope based on the width of a specific pulse.

4.3 Slope Trigger

Triggering the oscilloscope based on the rising or descending slope of a signal.

4.4 Video Trigger

Triggering on fields or lines of NTSC or PAL standard video signals.

4.5 Alternating Trigger

Triggering between two vertical channels for signals with different frequencies.

4.6 Trigger Holdoff

Setting holdoff time to prevent re-triggering for complex waveforms like pulse strings.

4.7 Trigger Explanation of Nouns

Definitions of trigger source, trigger mode (auto, normal, single), and trigger coupling.

Chapter V Acquire System

Acquisition Modes and Settings

Setting acquisition modes (sampling, peak value, average), averages, and fast acquisition.

Chapter VI Display System

Display Settings Overview

Options for display type, persistence, menu timeouts, brightness, and grid styles.

Chapter VII Automatic Measurement

Measurement Menu and Options

Selecting sources, parameter display (all/custom), indication, and measurement statistics.

7.2 Voltage Parameters

Diagram and definitions of voltage parameters like Vmax, Vmin, Pk-Pk, and Amplitude.

7.3 Time Parameters

Diagram and definitions of timing parameters like Period, RiseTime, FallTime, and Pulse Width.

7.4 Other Measurement Parameters

Definitions of other parameters including duty, overshoot, preshoot, area, and phase.

Chapter VIII Cursor Measurement

8.1 Cursor Measurement Menu

Menu for setting cursor measurement type (time/voltage), mode, unit, and source.

8.2 Cursor Measurement Display

How to move and use cursors for measuring voltage differences and time intervals.

Chapter IX Storage Operations

9.1 Set Storage and Load

Setting up storage type (setup, reference, data file), location, saving, and loading settings.

9.2 Waveform Storage and Load

Storing and loading reference waveforms from internal memory or USB.

9.3 Bitmap Storage and Load

Storing and loading bitmap images of the screen via USB.

9.4 Screen Copy

Capturing the current screen to USB in BMP format using the PrtSc button.

Chapter X Utility System

System Configuration and Settings

System setup, language selection, LAN setup, self-calibration, and system information.

10.1 Pass/Fail Test

Detecting if the input signal is within a specified template scope (PASS/FAIL).

10.2 Waveform Recorder

Recording waveforms frame by frame using the built-in recorder function.

10.3 AUTO Strategy Settings

Configuring parameters for automatic waveform setting to optimize display.

Chapter XI Other Function Buttons

11.1 AUTO Setting Function

Automatic adjustment of time-scale, Volt/Divs, and trigger for optimal waveform display.

11.2 RUN/STOP Button

Switching the oscilloscope between running (collecting data) and stopping states.

11.3 Help Menu Access

Accessing help information for specific keys and functions.

11.4 USB Upgrade Program

Updating the DSO firmware via USB by following specific steps.

Chapter XII Application Examples

Example 1: Measuring Simple Signals

Measuring signal frequency and peak-to-peak value using auto measurement.

Example 2: Observing Signal Delay

Observing signal delay and waveform changes through a circuit using dual channels.

Example 3: Acquiring Single Signals

Acquiring non-cyclical signals like pulses and glitches using trigger setup.

Example 4: Reducing Random Noise

Filtering or reducing random noise in measured signals using trigger coupling and sampling modes.

Example 5: Cursor Measurements

Measuring time and voltage of a waveform using the oscilloscope's cursors.

Chapter XIII System Prompts and Troubleshooting

13.1 System Prompts Definitions

Explanation of common system prompts, such as 'Adjustment at Ultimate Limit'.

13.2 Troubleshooting Guide

Common troubleshooting steps for issues like no waveform display or no trigger.

Chapter XIV Technical Specifications

Chapter XV Appendix

Appendix A Accessories

List of standard and optional accessories included with the oscilloscope.

Appendix B Maintenance and Cleaning

Guidelines for general maintenance and cleaning of the instrument and probes.

Appendix C Warranty

Information regarding the product warranty terms, duration, and service.

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