Unit UPO2000CS Series User manual

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UPO2000CS series User Manua
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Introduction
Dear Users:
Hello! Thank you for choosing this brand new Uni-Trend device. In order to safely and correctly use this
instrument, please read this manual thoroughly, especially the Safety Notes part.
After reading this manual, it is recommended to keep the manual at an easily accessible place, preferably
close to the device, for future reference.

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Copyright and Satement
Copyright Information
•UNl-T Uni-Trend Technology (China) Limited. All rights reserved.
Trademark Information
•UNI-T is the registered trademark of Uni-Trend Technology (China) Limited.
Document Version
UPO2000CS-20160414-EN-V1.3
Statement
· UNI-T products are protected by patent rights in China and foreign countries, including issued and pending
patents.
· UNI-T reserves the rights to any product specification and pricing changes.
· UNI-T reserves all rights. Licensed software products are properties of Uni-Trend and its subsidiaries or
suppliers, which are protected by national copyright laws and international treaty provisions.
· Information in this manual supercedes all previously published versions.
Warranty
UNI-T warrants that the product will be free from defects for a three-year period. If the product is re-sold, the
warranty period will be from the date of the original purchase from an authorized UNI-T distributor. Probes,
other accessories, and fuses are not included in this warranty.
If the product is proved to be defective within the warrenty period, UNI-T reserves the rights to either repair the
defective product without charging of parts and labor, or exchange the defected product to a working
equivalent product. Replacement parts and products may be brand new, or perform at the same specifications
as brand new products. All replacement parts, modules, and products become the property of UNI-T.
The “customer” refers to the individual or entity that is declared in the guarantee. In order to obtain the
warranty service, "customer" must inform the defects within the applicable warranty period to UNI-T, and to
perform appropriate arrangements for the warranty service. The customer shall be responsible for packing and
shipping the defective products to the designated maintenance center of UNI-T, pay the shipping cost, and
provide a copy of the purchase receipt of the original purchaser. If the product is shipped domestically to the
location of the UNI-T service center, UNI-T shall pay the return shipping fee. If the product is sent to any other

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location, the customer shall be responsible for all shipping, duties, taxes, and any other expenses.
This warranty shall not apply to any defects or damages caused by acciendental, machine parts’ wear and tear,
improper use, and improper or lack of maintenance. UNI-T under the provisions of this warranty has no
obligation to provide the following services:
a) Any repair damage caused by the installation, repair, or maintenance of the product by non UNI-T service
representatives.
b) Any repair damage caused by improper use or connection to an incompatible device.
c) Any damage or malfunction caused by the use of a power source which does not conform to the
requirements of this manual.
d) Any maintenance on altered or integrated products (if such alteration or integration leads to an increase in
time or difficulty of product maintenance).
This warranty written by UNI-T for this product, and it is used to substitute any other express or implied
warranties. UNI-T and its distributors do not offer any implied warranties for merchatability or applicability
purposes.
For violation of this guarantee, UNI-T is responsible for the repair or replacement of defective products is the
only remedy available to customers. Regardless of whether UNI-T and its distributors are informed that any
indirect, special, incidental, or consequential damage may occur, the UNI-T and its distributors shall not be
responsible for any of the damages.

UPO2000CS series User Manual
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General Safety Overview
This instrument strictly complies with the safety requirements for electronic measuring instrument GB4793 and
IEC 61010-1 safety standard during design and manufacturing. Please understand the following safety
preventative measures, to avoid personal injury, and to prevent damage to the product or any connected
products. To avoid possible dangers, be sure to use this product in accordance with the regulations.
Only trained personnels can perform the maintenance program.
Avoid fire and personal injury.
Use the correct power line: Only use the dedicated UNI-T power supply appointed to the local region or
country for this product.
Correct Plug: Don't plug when the probe or test wire is connected to the voltage source.
Ground the product: This product is grounded through the power supply ground wire. To avoid electric shock,
grounding conductors must be connected to the ground. Please be sure that the product is properly grounded
before connecting to the input or output of the product.
Correct connection of oscilloscope probe: Ensure that the probe ground and ground potential are correctly
connected. Do not connect ground wire to high voltage.
Check all terminal ratings: To avoid fire and the large current charge, please check all the ratings and the
marks on the product. Please also refer to the product manual for details on the ratings before connecting to
the product.
Do not open the case cover or front panel during operation
Only use fuses with ratings listed in the technical index
Avoid circuit exposure: Do not touch exposed connectors and components after power is connected.
Do not operate the product if you suspect it is faulty, and please contact UNI-T authorized service personnel for
inspection. Any maintenance, adjustment, or replacement of parts must be performed by UNI-T authorized
maintenance personnels.
Maintain proper ventilation
Please do not operate the product in humid conditions
Please do not operate in inflammable and explosive environment
Please keep the product surface clean and dry

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Safety Terms and Symbols
The following terms may appear in this manual:
Warning: The conditions and behaviors may endanger life.
Note: The conditions and behaviors may cause damage to the product and other properties.
The following terms may appear on the product:
Danger: Performing this operation may cause immediate damage to the operator.
Warning: This operation may cause potential damage to the operator.
Note: This operation may cause damage to the product and devices connected to the product.
The following symbols may appear on the product:

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Preface
This manual introduces the operations of the UPO2000CS series digital oscilloscope, it includes the following
sections:
Chapter 1 – Introduction Guide
Chapter 2 – Vertical channel setup
Chapter 3 – Trigger system setup
Chapter 4 – Level system
Chapter 5 – Mathematical operations
Chapter 6 – Sampling system setup
Chapter 7 – The display system
Chapter 8 – Automatic measurements
Chapter 9 – Cursor measurements
Chapter 10 – Storage and callback
Chapter 11 – Auxiliary settings
Chapter 12 – Additional function keys
Chapter 13 – System and troubleshooting
Chapter 14 – Technical index
Chapter 15 – Appendix
Appendix A: Accessories and options
Appendix B: Maintenance and cleaning
Appendix C: Warranty overview
Appendix D: Contact us

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Introduction of UPO2000CS series digital phosphor oscilloscope
UPO2000CS series digital oscilloscopes contains the following 5 models
Model Analog Channels Bandwidth
UPO2104CS 4 100MHz
UPO2074CS 4 70MHz
UPO2102CS 2 100MHz
UPO2072CS 2 70MHz
UPO2202CS 2 200MHz
UPO2000CS series digital oscilloscope is based on UNI-T’s unique Ultra Phosphor technology. A
multi-functional, high performance oscilloscope that is easy to use, with excellent technical specifications, a
perfect combination of many functionalities that can help users to quickly complete testings. UPO2000CS
series is aimed at satisfying the most extensive oscilloscope markets, including communications,
semiconductors, computers, aerospace defense, instrumentation, industrial electronics, consumer electronics,
automotive electronics, field maintenance, R&D, education, etc.
The main features of the UPO2000CS series are:
●200MHz/100MHz/70MHz bandwidth, providing 2-channel and 4-channel models
●Real-time sampling rate of up to 1GS/s, can also observe faster signals
●Standard storage depth of 28Mpts per channel, which allows the oscilloscopes to maintain a high
sampling rate in a wider time base, taking into account the structure and details of the waveform
●Waveform capture rate of up to 50,000wfms/s
●Real-time continuous hardware waveform recording and waveform analysis support waveform recording
up to 65,000 waveforms.
●Multilevel gray scale display
●8-inch WVGA (800 * 480) TFT LCD, ultra widescreen, vivid color, clear display
●Abundant trigger features, including a variety of advanced trigger options
●Standard configuration interface: USB-Host, USB-Device, LAN, and Pass/Fail
●Automatic measurement of 34 waveform parameters
●Supports USB storage and firmware upgrades, one click screen copy function
●Plug and play USB device, can be used to communicate with computer

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Table of Content
Copyright and Satement ...................................................................................................................................................2
General Safety Overview...................................................................................................................................................4
Safety Terms and Symbols ...............................................................................................................................................5
Preface ..................................................................................................................................................................................6
Table of Content....................................................................................................................................................................8
Chapter 1 Introduction Guide ..........................................................................................................................................11
1.1 General Inspection ................................................................................................................................................11
(1) Check for Damages caused by Transport .......................................................................................................11
(2) Check Attachment..........................................................................................................................................11
(3) Machine Inspection .......................................................................................................................................11
1.2 Before Use .............................................................................................................................................................11
(1) Connect to the Power Supply ........................................................................................................................11
(2) Boot Check.....................................................................................................................................................11
(3) Connect Probe ...............................................................................................................................................12
(4) Function Check ..............................................................................................................................................12
(5) Probe Compensation .....................................................................................................................................12
1.3 Front Panel ............................................................................................................................................................13
1.4 Rear Panel .............................................................................................................................................................14
1.5 Operation Panels...................................................................................................................................................15
(1)Vertical Control ...............................................................................................................................................15
(2)Level Control...................................................................................................................................................15
(3)Trigger Control ................................................................................................................................................15
(4)Auto Setting ....................................................................................................................................................16
(5)Run/Stop.........................................................................................................................................................16
(6)Single ..............................................................................................................................................................16
(7)Clear................................................................................................................................................................16
(8)Screen Copy ....................................................................................................................................................16
(9)Multipurpose Knob.........................................................................................................................................16
(10)Function Keys................................................................................................................................................16
1.6 User Interface........................................................................................................................................................17
Chapter 2 Vertical Channel Settings.................................................................................................................................19
2.1 Open/Close Analog Channel .................................................................................................................................19
2.2 Channel Coupling ..................................................................................................................................................20
2.3 Bandwidth Limitation............................................................................................................................................20
2.4 Vertical Sensitivity .................................................................................................................................................20
2.5 Probe.....................................................................................................................................................................20
2.6 RP (Reverse Phase)................................................................................................................................................20
2.7 Bias........................................................................................................................................................................21

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Chapter 3 Trigger System .................................................................................................................................................22
3.1Trigger System Interpretation ................................................................................................................................22
(1)Trigger Source.................................................................................................................................................22
(2)Trigger Mode ..................................................................................................................................................22
(3)Trigger Coupling..............................................................................................................................................22
(4)Trigger Sensitivity............................................................................................................................................23
(5)Pre-trigger / Delayed Trigger ..........................................................................................................................23
(6)Forced Trigger .................................................................................................................................................23
3.2 Edge Trigger...........................................................................................................................................................23
3.3 Pulse Width Trigger...............................................................................................................................................24
3.4 Video Trigger.........................................................................................................................................................25
3.5 Slope Trigger..........................................................................................................................................................27
3.6 Under-range Trigger ..............................................................................................................................................28
3.7 Beyond-range Trigger ............................................................................................................................................29
3.8 Delayed Trigger......................................................................................................................................................30
3.9 Overtime Trigger ...................................................................................................................................................32
3.10 Duration Trigger ..................................................................................................................................................33
3.11 Setup/Hold Trigger ..............................................................................................................................................34
3.12 N-Edge Trigger.....................................................................................................................................................35
3.12 Code Pattern Trigger ...........................................................................................................................................36
3.13 RS232 Protocol Trigger and Decode (Optional)...................................................................................................37
3.14 I2C Protocol Trigger and Decode (Optional)........................................................................................................41
3.16 SPI Protocol Trigger and Decode( Optional)......................................................................................................45
Chapter 4 Set Level System..............................................................................................................................................50
4.1 ROLL mode ............................................................................................................................................................50
4.2 Extended Window.................................................................................................................................................50
4.2 Independent Time Base ........................................................................................................................................51
4.3 Trigger Release ......................................................................................................................................................51
Chapter 5 Mathematical Operations................................................................................................................................53
5.1 Mathematical Function .........................................................................................................................................53
5.2 FFT.........................................................................................................................................................................53
5.3 Logic Operations....................................................................................................................................................55
5.4 Digital Filter...........................................................................................................................................................56
Chapter 6 Set Sampling System .......................................................................................................................................57
6.1 Sampling Rate........................................................................................................................................................57
(1) Sampling and Sampling Rate .........................................................................................................................57
(2) Low Sampling Rate Effect...............................................................................................................................58
6.2 Acquisition Mode ..................................................................................................................................................58
(1) Normal Sampling ...........................................................................................................................................58
(2) Peak Sampling................................................................................................................................................58