MSO3000HD Series High-Definition Oscilloscopes

Quick Start Guide

Introduction

This document provides a quick start guide for the MSO3000HD series of high-definition oscilloscopes. It covers general inspection, connection, operation, and troubleshooting.

Product Overview

The MSO3000HD series includes three models: MSO3054HD (500 MHz), MSO3034HD (350 MHz), and MSO3024HD (200 MHz). All models feature 4 analog channels and digital capabilities.

General Inspection

Before first use, it is recommended to inspect the instrument for damages during transport and check for missing or damaged accessories. If any issues are found, contact the UNI-T distributor immediately.

Before Use

Connecting to the Power Supply: Connect the oscilloscope using the provided power line or another line meeting local standards. The power soft indicator on the rear panel will illuminate red when the power switch is on. Press the soft switch key to enable the oscilloscope.
Boot Check: Press the power soft switch key. The indicator should change from red to green, and the oscilloscope will display a boot animation before entering the normal interface.
Connecting Probe: Connect the provided compensating signal probe to CH1. Attach the probe tip to the "probe compensating signal connection clip" and the ground alligator clip to the "ground terminal". The output is approximately 3 Vpp with a default frequency of 1 kHz.
Function Check: Press the AUTO key. A square wave (3 Vpp, 1 kHz) should appear. Repeat for all channels. If the waveform is incorrect, perform the "Probe Compensation" procedure.
Probe Compensation: To ensure accurate measurements, compensate the probe. Set the probe attenuation to 10x. Connect the probe to CH1 and the "probe compensation signal connection clip". Press AUTO. Adjust the probe's variable capacitance with a non-metallic screwdriver until the waveform is correct. Warning: To avoid electric shock, ensure probe insulation is good and avoid contact with metallic parts when measuring high voltage.

Front Panel Description

The front panel includes:

Display Area (1): Shows waveforms and measurement data.
Measurement Analysis Area (2): Access to measurement, cursors, and analysis functions.
Multi-function Area (3): Contains knobs (A, B) for parameter adjustment and function keys (Quick, Clear, Touch/Lock, Default).
Control Area (4): Buttons for general control like Autoset, Run/Stop, Force, Single.
Horizontal Control Area (5): Controls horizontal scale and position.
Trigger Control Area (6): Controls trigger settings like slope, source, and level.
Signal Output Area (7): Outputs signals like demo, G1, and G2.
Probe Compensating Signal Connection Clip and Ground Terminal (8): Used for probe compensation.
Vertical Control Area (9): Controls vertical scale and position for each channel.
Analog Channel Input Terminals (10): Connect oscilloscope probes or BNC cables.
Digital Channel Input Terminal (11): For digital channel usage with a logic probe.
Gen Output Port (12): Outputs various signal types.
USB HOST Port (13): For connecting external devices.
Power Soft Switch Key (14): Powers the instrument on/off.

Rear Panel Description

EXT Trig (1): External trigger input.
AUX Out (2): Auxiliary output.
10MHz REF In&Out (3): 10 MHz reference clock input/output.
USB Device (6): Connects to a PC for data transfer.
LAN Port (7): For network connectivity.
Power Switch (8): Main power switch.
AC Power Input Socket (9): Connects to the power source.
Safety Lock (10): Security feature.

Operation Panel

Vertical Control: Use the channel setting keys (1-4) to select channels. Adjust vertical scale and position using the rotary knobs.
Horizontal Control: Use the Menu key to access horizontal settings. Adjust horizontal scale and position with the rotary knobs.
Trigger Control: Use Slope, Menu, Source, and Position controls to configure triggering.
Control Area: Use Auto/Normal, Run/Stop, Force, and Autoset keys for operational control.
Measurement Analysis Area: Access Measure, Cursor, and Analyze functions.
Multi-function Area: Use Quick, Clear, Touch/Lock, and Default keys for saving, clearing, touch control, and resetting. Multipurpose knobs A and B adjust parameters.
Signal Output Area: Use G1 and G2 keys to open signal source settings.
Home Menu: Access various functions like voltmeter, FFT, Math, Help, etc., via the Home icon.

User Interface

The user interface includes:

Waveform Display Window: Shows the measured waveforms.
Trigger State Icon: Indicates the trigger status.
Horizontal Base Label: Displays horizontal time base information.
Sampling Rate and Storage Depth Label: Shows acquisition parameters.
Trigger Info Label: Displays trigger-related information.
Function Toolbar: Provides quick access to common functions.
Home Menu: Access to the main menu.
Notification: Displays system messages.
Volts/div Signal Bar: Shows vertical scale information.
Multi-window Display Area: Allows for multiple display configurations.
Digital Channel Label: Displays digital channel status.
Ref Label: Shows reference waveform information.
FFT Label: Displays FFT analysis results.
Math Label: Shows math function results.
Measured Result Display Window: Displays measurement results.
Channel Label: Identifies the channels.
Analog Channel Label: Shows analog channel status.

Help System

Access the help system via the "?" icon in the Home menu or within function menus. The help screen is divided into "Help Options" and "Help Display Area" for comprehensive guidance.

Parameter Setting

Parameters can be set using the Multipurpose rotary knob or the touch screen. The touch screen allows text input via a virtual keyboard, including character strings and numeric values. Operations include clearing, case switching, tab insertion, shifting, arrow key navigation, space insertion, backspace deletion, and enter confirmation.

Numeric values can be entered using a numeric keypad, with options for maximum, minimum, default values, and clearing input.

Touch Screen

The oscilloscope features a 10.1-inch capacitive touch screen with multi-point touch and gesture control. Supported gestures include:

Tap: Select icons, menus, or buttons.
Pinch: Zoom in or out on waveforms by squeezing or spreading two fingers.
Drag: Move waveforms, windows, or cursors.
Rectangle Drawing: Define trigger zones (Region A, Region B) for advanced triggering.

Remote Control

Remote control is available via USB and LAN using SCPI commands. Methods include:

Custom Programming: Direct programming via SCPI.
PC Software Control: Use the "Instrument manager" software from UNI-T's website for real-time control.
Web Control: Access the oscilloscope via its IP address through a web browser for remote operation.

Troubleshooting

Black Screen: Check power connections, power switch, and backlight brightness. Restart if necessary.
No Waveform Display: Verify probe connections, channel status, signal source, and DC offset. Perform self-calibration if the baseline is off-screen.
Incorrect Amplitude: Ensure probe attenuation settings match the probe.
Unstable Waveform: Check trigger settings, trigger type (use "Edge" trigger), and coupling (HF/LF rejection).
No Waveform after Run/Stop: Verify trigger mode (Normal/Single) and trigger level. Use Auto mode if needed.
Slow Waveform Refresh: Check acquisition method (Average), storage depth, trigger holdoff, and time base. Consider restoring factory settings.

Warranty and Liability

UNI-T guarantees the instrument against defects in material and workmanship for three years from the purchase date. The warranty does not cover damages from accident, negligence, misuse, modification, contamination, or improper handling. For probes and accessories, the warranty period is one year. Visit instrument.uni-trend.com for full warranty information.

UNI-T is a licensed trademark of UNI-TREND TECHNOLOGY (CHINA) CO., Ltd. Products are protected by patent laws. This manual may be updated without notice.

For support, contact UNI-T via the website: https://instruments.uni-trend.com/ContactForm/

Headquarter: UNI-TREND TECHNOLOGY (CHINA) CO., Ltd.

Europe: UNI-TREND TECHNOLOGY EU GmbH

North America: UNI-TREND TECHNOLOGY US INC.

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