Foxwell OS100 User manual

Foxwell OS100 Digital Oscilloscope User’s Guide_English Version_V1.00
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Trademarks
FOXWELL is trademark of Shenzhen Foxwell Technology Co., Ltd.
All other marks are trademarks or registered trademarks of their respective holders.
Copyright Information
©2014 Shenzhen Foxwell Technology Co., Ltd.
All rights reserved.
Disclaimer
The information, specifications and illustrations in this manual are based on the latest information
available at the time of printing.
Foxwell reserves the right to make changes at any time without notice.
Visit our website at:
www.foxwelltech.com
For Technical Assistance, send us email at
[e-mail]

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One-Year Limited Warranty
Subject to the conditions of this limited warranty, Shenzhen Foxwell Technology Co., Ltd
(“FOXWELL”) warrants its customer that this product is free of defects in material and
workmanship at the time of its original purchase for a subsequent period of one (1) year.
In the event this product fails to operate under normal use, during the warranty period, due to
defects in materials and workmanship, FOXWELL will, at its sole option, either repair or replace
the product in accordance with the terms and conditions stipulated herein.
Terms and Conditions
1 If FOXWELL repairs or replaces the product, the repaired or replaced product shall be
warranted for the remaining time of the original warranty period. No charge will be made to the
customer for replacement parts or labor charges incurred by FOXWELL in repairing or replacing
the defective parts.
2 The customer shall have no coverage or benefits under this limited warranty if any of the
following conditions are applicable:
a) The product has been subjected to abnormal use, abnormal conditions, improper storage,
exposure to moisture or dampness, unauthorized modifications, unauthorized repair, misuse,
neglect, abuse, accident, alteration, improper installation, or other acts which are not the fault of
FOXWELL, including damage caused by shipping.
b) The Product has been damaged from external causes such as collision with an object, or from
fire, flooding, sand, dirt, windstorm, lightning, earthquake or damage from exposure to weather
conditions, an Act of God, or battery leakage, theft, blown fuse, improper use of any electrical
source, or the product was used in combination or connection with other product, attachments,
supplies or consumables not manufactured or distributed by FOXWELL.
3 The customer shall bear the cost of shipping the product to FOXWELL. And FOXWELL shall
bear the cost of shipping the product back to the customer after the completion of service under
this limited warranty.
4 FOXWELL does not warrant uninterrupted or error-free operation of the product. If a problem
develops during the limited warranty period, the consumer shall take the following step-by-step
procedure:
a) The customer shall return the product to the place of purchase for repair or replacement
processing, contact your local FOXWELL distributor or visit our website www.foxwelltech.com to
get further information.
b) The customer shall include a return address, daytime phone number and/or fax number,
complete description of the problem and original invoice specifying date of purchase and serial
number.
c) The customer will be billed for any parts or labor charges not covered by this limited warranty.
d) FOXWELL will repair the Product under the limited warranty within 30 days after receipt of the
product. If FOXWELL cannot perform repairs covered under this limited warranty within 30 days,
or after a reasonable number of attempts to repair the same defect, FOXWELL at its option, will
provide a replacement product or refund the purchase price of the product less a reasonable
amount for usage.
e) If the product is returned during the limited warranty period, but the problem with the product is
not covered under the terms and conditions of this limited warranty, the customer will be notified
and given an estimate of the charges the customer must pay to have the product repaired, with all
shipping charges billed to the customer. If the estimate is refused, the product will be returned
freight collect. If the product is returned after the expiration of the limited warranty period,
FOXWELL’ normal service policies shall apply and the customer will be responsible for all
shipping charges.
5 ANY IMPLIED WARRANTY OF MERCHANTABILITY, OR FITNESS FOR A PARTICULAR

Foxwell OS100 Digital Oscilloscope User’s Guide_English Version_V1.00
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PURPOSE OR USE, SHALL BE LIMITED TO THE DURATION OF THE FOREGOING LIMITED
WRITTEN WARRANTY. OTHERWISE, THE FOREGOING LIMITED WARRANTY IS THE
CONSUMER’S SOLE AND EXCLUSIVE REMEDY AND IS IN LIEU OF ALL OTHER
WARRANTIES, EXPRESS OR IMPLIED. FOXWELL SHALL NOT BE LIABLE FOR SPECIAL,
INCIDENTAL, PUNITIVE OR CONSEQUENTIAL DAMAGES, INCLUDING BUT NOT LIMITED
TO LOSS OF ANTICIPATED BENEFITS OR PROFITS, LOSS OF SAVINGS OR REVENUE,
LOSS OF DATA, PUNITIVE DAMAGES, LOSS OF USE OF THE PRODUCT OR ANY
ASSOCIATED EQUIPMENT, COST OF CAPITAL, COST OF ANY SUBSTITUTE EQUIPMENT
OR FACILITIES, DOWNTIME, THE CLAIMS OF ANY THIRD PARTIES, INCLUDING
CUSTOMERS, AND INJURY TO PROPERTY, RESULTING FROM THE PURC HASE OR USE
OF THE PRODUCT OR ARISING FROM BREACH OF THE WARRANTY, BREACH OF
CONTRACT, NEGLIGENCE, STRICT TORT, OR ANY OTHER LEGAL OR EQUITABLE
THEORY, EVEN IF FOXWELL KNEW OF THE LIKELIHOOD OF SUCH DAMAGES. FOXWELL
SHALL NOT BE LIABLE FOR DELAY IN RENDERING SERVICE UNDER THE LIMITED
WARRANTY, OR LOSS OF USE DURING THE PERIOD THAT THE PRODUCT IS BEING
REPAIRED.
6. Some states do not allow limitation of how long an implied warranty lasts, so the one-year
warranty limitation may not apply to you (the Consumer). Some states do not allow the exclusion
or limitation of incidental and consequential damages, so certain of the above limitations or
exclusions may not apply to you (the Consumer). This limited warranty gives the Consumer
specific legal rights and the Consumer may also have other rights which vary from state to state.

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Safety Information
For your own safety and the safety of others, and to prevent damage to the equipment and
vehicles, read this manual thoroughly before operating your code reader. The safety messages
presented below and throughout this user’s manual are reminders to the operator to exercise
extreme care when using this device. Always refer to and follow safety messages and test
procedures provided by vehicle manufacturer. Read, understand and follow all safety messages
and instructions in this manual.
Safety Message Conventions Used
We provide safety messages to help prevent personal injury and equipment damage. Below are
signal words we used to indicate the hazard level in a condition.
Indicates an imminently hazardous situation which, if not avoided, will result in death or serious
injury to the operator or to bystanders.
Indicates a potentially hazardous situation which, if not avoided, could result in death or serious
injury to the operator or to bystanders.
Indicates a potentially hazardous situation which, if not avoided, may result in moderate or minor
injury to the operator or to bystanders.
Important Safety Instructions
And always use your code reader as described in the user’s manual, and follow all safety
messages.
●Do not route the test cable in a manner that would interfere with driving controls.
●Do not exceed voltage limits between inputs specified in this user’s manual.
●Always wear ANSI approved goggles to protect your eyes from propelled objects as well as hot
or caustic liquids.
●Fuel, oil vapors, hot steam, hot toxic exhaust gases, acid, refrigerant and other debris produced
by a malfunction engine can cause serious injury or death. Do not use the code reader in areas
where explosive vapor may collect, such as in below-ground pits, confined areas, or areas that
are less than 18 inches (45 cm) above the floor.
●Do not smoke, strike a match, or cause a spark near the vehicle while testing and keep all
sparks, heated items and open flames away from the battery and fuel / fuel vapors as they are
highly flammable.
●Keep a dry chemical fire extinguisher suitable for gasoline, chemical and electrical fires in work
area.
●Always be aware of rotating parts that move at high speed when an engine is running and keep
a safe distance from these parts as well as other potentially moving objects to avoid serious
injury.
●Do not touch engine components that get very hot when an engine is running to avoid severe
burns.
●Block drive wheels before testing with engine running. Put the transmission in park (for

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automatic transmission) or neutral (for manual transmission). And never leave a running engine
unattended.
●Do not wear jewelry or loose fitting clothing when working on engine.

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Content
One-Year Limited Warranty.............................................................................................................................. 2
Safety Information.............................................................................................................................................. 4
Safety Message Conventions Used........................................................................................................ 4
Important Safety Instructions.................................................................................................................... 4
General Safety Summary.................................................................................................................................. 9
Chapter 1 Getting Start................................................................................................................................... 10
System Requirements..................................................................................................................................... 10
1.1 System Requirement......................................................................................................................... 11
1.2 Accessories.........................................................................................................................................12
1.3 Install Software...................................................................................................................................13
1.4 Install Driver........................................................................................................................................15
1.5 General Features............................................................................................................................... 21
1.6 General Check................................................................................................................................... 21
1.7 Function Check.................................................................................................................................. 23
1.8 Self Calibration................................................................................................................................... 25
Chapter 2 Operating Basics...........................................................................................................................25
2.1 The User’s Interface.......................................................................................................................... 25
2.2 The Menu System..............................................................................................................................27
2.3 The Vertical System.......................................................................................................................... 30
2.4 The Horizontal System......................................................................................................................31
2.5 The Trigger System........................................................................................................................... 32
2.6 Input Connector................................................................................................................................. 33
Chapter 3 Oscilloscope Functions.............................................................................................................. 34
3.1 Setup the Oscilloscope..................................................................................................................... 34
3.2 Set Vertical System........................................................................................................................... 35
3.3 Setup Horizontal System.................................................................................................................. 42
3.4 Set Trigger System............................................................................................................................ 43
3.5 Save/Load........................................................................................................................................... 50

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3.6 Utility Function....................................................................................................................................51
3.6.1 Record....................................................................................................................................51
3.6.2 Pass/Fail................................................................................................................................ 52
3.6.3 Factory Setup........................................................................................................................55
3.6.4 Language...............................................................................................................................56
3.7 Measure Signal.................................................................................................................................. 57
3.7.1 Cursor Menu......................................................................................................................... 57
3.7.2 Measure Menu......................................................................................................................61
3.8 The Display System.......................................................................................................................... 65
3.8.1 Display Type..........................................................................................................................65
3.8.2 Display Grid...........................................................................................................................67
3.8.3 Intensity..................................................................................................................................68
3.9 Zoom In/Out and Drag Waveforms................................................................................................. 69
3.10 Interpolation......................................................................................................................................71
3.11 Acquisition Modes............................................................................................................................73
3.12 Print And Print Preview................................................................................................................... 74
Chapter 4 Application Example.................................................................................................................... 76
4.1 Simple Measurement........................................................................................................................ 76
4.2 Capturing a Single-Shot Signal....................................................................................................... 77
4.3 The Application of the X-Y Operation............................................................................................. 77
4.5 Taking Cursor Measurements..........................................................................................................79
4.6 Waveform Generator.........................................................................................................................83
4.6.1 Generate the Sine waveform..............................................................................................83
4.6.2 Generate the Square waveform.........................................................................................84
4.6.3 Generate the AM/FM waveform......................................................................................... 85
4.6.4 Generate the Ramp waveform...........................................................................................87
4.6.5 Generate the Trapezia waveform...................................................................................... 88
4.6.6 Generate the Gause waveform..........................................................................................89
4.6.7 Generate the Arb. waveform...............................................................................................90
4.6.8 Generate the Exponent waveform.....................................................................................91
4.6.9 Generate the White noise waveform.................................................................................92
Chapter 5 Appendix......................................................................................................................................... 93
Appendix A: Specifications................................................................................................................. 94
Appendix B: General Maintenance....................................................................................................95
General Care............................................................................................................................................95
Caution......................................................................................................................................................95

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Cleaning.................................................................................................................................................... 95

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General Safety Summary
Review the following safety precautions carefully before operate the device to avoid any personal
injuries or damages to the device and any products connected to it.
To avoid potential hazards use the device as specified by this user’s guide only.
■To Avoid Fire or Personal Injury
■Use Proper Power Cord. Use only the power cord specified for this product and certified for the
country of use.
■Connect and Disconnect Properly. Do not connect or disconnect probes or test leads while they are
connected to a voltage source.
■Connect and Disconnect Properly. Connect the probe output to the measurement device before
connecting the probe to the circuit under test. Disconnect the probe input and the probe reference lead
from the circuit under test before disconnecting the probe from the measurement device.
■Observe All Terminal Ratings. To avoid fire or shock hazard, observe all ratings and markings on
the product. Consult the product manual for further ratings information before making connections to the
product.
■Use Proper Probe. To avoid shock hazard, use a properly rated probe for your measurement.
■Avoid Circuit or Wire Exposure. Do not touch exposed connections and components when power
is on.
■Do Not Operate With Suspected Failures. If suspected damage occurs with the device, have it
inspected by qualified service personnel before further operations.
■Provide Proper Ventilation. Refer to the installation instructions for proper ventilation of the device.
■Do not operate in Wet/Damp Conditions.
■Do not operate in an Explosive Atmosphere.
■Keep Product Surfaces Clean and Dry.

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Chapter 1 Getting Start
The oscilloscope is small, lightweight, no external power required, portable oscilloscopes! The
oscilloscopes is ideal for production test, research and design and all of the applications involving
analog circuits test and troubleshooting, as well as education and training.
In addition to the list of general features on the next page, this chapter describes how to do the
following tasks:
System Requirements
Install Software
Install Driver
General Features
General Check
Function Check
Self Calibration
Accessories

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1.1 System Requirement
To run the oscilloscope software, the needs of computer configuration are as follows:
Minimum System Requirements
Operating System
Window XP/Vista/Win7/Win8/Win10
Processor
Upwards of 1.00G processor
Memory
256M byte
Disk Space
500M disk free space
Screen resolution
800 x 600
Recommended Configuration
Operating System
Win8/Win10/Windows XP SP3 System
Processor
2.4G Processor
Memory
1G Byte Memory
Disk Space
80G Disk Space
Screen resolution
1024 x 768 or 1280 x 1024 resolution
DPI Setting
Normal Size (96DPI)

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1.2 Accessories
This section lists the accessories that go with the scanner. If you find any of
the following items missing from your package, contact your local dealer for
assistance.
Item
Item
Large Dolphin/Gator Clip 2 Pcs
Auto High-pressure Ignition Probe 1Pc
Acupuncture Probe Set 1 Pc
Multimeter Probe 2 Pcs
Auto Test Cable 4 Pcs
Attenuator 2 Pcs
Break out lead 1 Pc
Dolphin/Gator Clip cable 2 Pc
USB line 1 Pc
Software installation CD 1Pc

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1.3 Install Software
Caution: You must install the software before using the oscilloscope.
1.While in Windows, insert the installation CD into the CD-ROM drive,or to Visit our site
http://www.foxwelltech.com/support/update to click the image of OS100 to download update
package.
2.The installation should start up automatically. Otherwise in Windows Explorer, switch to the
CD-ROM drive or upadate package and run Setup.exe.
3.The software Installation is started. Click 'Next' to continue.
4.Choose a destination directory. Click 'Next' to continue.

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5.Check the setup information. Click Next to start copying of files.
6.This Status dialog is displayed during copying of files.

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7.The installation is complete.
1.4 Install Driver
Example: Foxwell OS-100
1.Connect the A-Type Plug of USB cable to your PC’S USB port.

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2.Connect the other A -Type Plug of USB cable to the device’s USB port.
3.New hardware is found.
4.Click right mouse and select “Manage”.

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5. Click right mouse and select “Update Driver Software”.
6.Select “Browse my computer for driver software”.

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7.Select the right driver path, click “Next”.
8.Click “Install this driver software anyway”.

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9.Installing driver software.
10.Foxwell OS-100 USB has been successfully installed.

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11.After the device driver is installed correctly, the device manager is shown as follows: