Micsig MS300 Series User manual

Handheld multifunctional oscilloscope
MS300 and MS500 Series
User Manual
Shenzhen Micsig Instruments Co., Ltd

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To customer,
Micsig MS300 and MS500 series handheld multi-functional oscilloscope includes
oscilloscope, multimeter and recorder functions, which contains the following features:
Complete electrical isolation between channels, with function of floating
measurement
Up to 190 k wfm/s waveform refresh rate (MS500 Series)
5.7 inch TFT LCD screen, 640*480 resolution, 16 bit color depth
8 bit AD acquisition. Display and measurement are more precise.
Touch+Button+Scroll Wheel make handling better
Quick drag and zoom on touch screen, quick operating response speed
Serial bus trigger and decode, support UART(RS232/RS422/RS485), SPI, I2C,
CAN, LIN, ARINC429, MIL-STD-1553B
Dynamic recording, Detachable Li-ion battery
HDTV trigger for 625/PAL, SECAM, 525/NTSC, SECAM, 720P, 1080I, 1080P
(MS300 Series is optional, MS500 Series is standard )
31 kind of automatic measurements
Support USB Host/Slave interface, which can plug U device or connect to the PC

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Limited warranty and limitation of liability
All Micsig products are fully inspected before delivery and guarantee all comply with test
criterion. As for warranty, please refer to product warranty card.
we authorized resellers shall extend this warranty on new and unused products to end user
only but have no authority to extend a greater or different warranty on behalf of us.
Warranty support is available if product is purchased through an authorized sales outlet or
Buyer has paid the applicable international price. We reserve the right to invoice Buyer for
importation costs to repair/replacement parts when product purchased in one country is
submitted for repair in another country.
Micsig’s warranty obligation is limited, in Micsig’s opinion, to refund of the purchase price,
free of charge repair, or replacement of a defective product, which is returned to an
authorized service center within the warranty period.

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To obtain warranty service, contact your nearest Micsig authorized service center or sent
the product, with a description of the difficulty, postage and insurance prepaid (FOB
destination), to the nearest authorized service center. Micsig assumes no risk for damage
in transit. Following warranty repair, the product will be returned to buyer, transportation
prepaid (FOB destination). If we determine that the failure was caused by misuse,
alteration, accident or abnormal condition of operating or handling, we will provide an
estimate of repair costs and obtain authorization before commencing the work. Following
repair, the product will be returned to the buyer transportation prepaid, the buyer will be
billed for the repair, and return transportation charges (FOB Shipping Point).
This warranty is Buyer's sole and exclusive remedy and is in lieu of all other warranties,
express or implied, including but not limited to any implied warranty of merchantability or
fitness for a particular purpose. We shall not be liable for any special, indirect, incidental or
consequential damages or losses, including loss of data, whether arising from breach of
warranty or scaled on contract, tort, reliance or any other theory.
Since some countries or states do not allow limitation of the term of an implied warranty, or

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exclusion or limitation of incidental or consequential damages, the limitations and
exclusions of this warranty may not apply to every buyer. If any provision of this warranty is
held invalid or unenforceable by a court of competent jurisdiction, such holding will not
affect the validity or enforceability of any other provision

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Preface
Dear customers,
Hello! Firstly thanks for buying our instrument and for your proper use of this instrument,
please read this manual before using it and particularly pay attention to "safety formation".
If you have finished readout this manual, we recommend you keep this manual for future
reference.

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CONTENT
CONTENT ................................................................................................................................................................1
CHAPTER ONE SAFETY INFORMATION ..................................................................................................................1
1.1 SAFETY INFORMATION........................................................................................................................................2
1.2 SAFETY NOTES AND SYMBOLS ..............................................................................................................................3
CHAPTER TWO OSCILLOSCOPE QUICK START GUIDE ............................................................................................6
2.1 GENERAL CHECK................................................................................................................................................8
2.2 INTRODUCE THE NAMES OF INSTRUMENT’S PARTS ...................................................................................................9
2.3 USE BRACKET..................................................................................................................................................12
2.4 INSTALL AND REPLACE BATTERY ..........................................................................................................................13
2.5 KNOW THE BUTTONS AND THEIR FUNCTIONS ........................................................................................................17
2.6 TURN ON &TURN OFF......................................................................................................................................22
2.7 TURN ON OSCILLOSCOPE...................................................................................................................................22
2.8 GENERAL KNOWLEDGE OF USERS'INTERFACE........................................................................................................23
2.9 UNDERSTAND TOUCH SCREEN ............................................................................................................................28

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2.10 FUNCTION TEST.............................................................................................................................................31
2.11 PROBE COMPENSATION ..................................................................................................................................33
CHAPTER THREE USE OSCILLOSCOPE...................................................................................................................39
3.1 CHANNEL SELECTION........................................................................................................................................42
3.2 SET CHANNEL COUPLING MODE..........................................................................................................................43
3.3 SET CHANNEL SAMPLING MODE..........................................................................................................................46
3.4 BANDWIDTH SELECTION....................................................................................................................................50
3.5 USE DELAY .....................................................................................................................................................51
3.6 SET CHANNEL POLARITY....................................................................................................................................53
3.7 SET CHANNEL ATTENUATION RATIO .....................................................................................................................55
3.8 AUTO-CALIBRATION .........................................................................................................................................57
3.9 SET AUTO MEASUREMENT TYPE..........................................................................................................................57
3.10 STORE/RESTORE MENU..................................................................................................................................64
3.10.1 Save ...................................................................................................................................................64
3.10.2 Restore ..............................................................................................................................................66
3.10.3 Memory depth..................................................................................................................................68
3.10.4 Dynamic record.................................................................................................................................68
3.10.5 Store settings ....................................................................................................................................74

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3.10.6 Restore settings ................................................................................................................................74
3.11 CURSOR MEASUREMENT.................................................................................................................................75
3.12 SET DISPLAY MENU ........................................................................................................................................80
3.12.1 Waveform settings............................................................................................................................80
3.12.2 Graticule set......................................................................................................................................81
3.12.3 Persist adjustment ............................................................................................................................83
3.12.4 Time base..........................................................................................................................................84
3.12.5 Adjusting refresh rate .......................................................................................................................86
3.13 SET TRIGGER MENU .......................................................................................................................................87
3.13.1 Edge trigger .......................................................................................................................................90
3.13.2 Pulse width trigger ............................................................................................................................95
3.13.3 Logic trigger.......................................................................................................................................98
3.13.4 Video trigger....................................................................................................................................103
3.13.5 Serial bus trigger..............................................................................................................................107
3.15 USE AUTO SET............................................................................................................................................. 111
3.16 USE MATH MENU ........................................................................................................................................112
3.18 REFERENCE CHANNEL ...................................................................................................................................120
3.19 USE 50% SHORTCUT....................................................................................................................................120

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3.20 USE TOUCH SCREEN ZOOM WAVEFORM ...........................................................................................................124
CHAPTER FOUR SERIAL BUS TRIGGER& DECODE ..............................................................................................127
4.1 UART（RS232/RS422/RS485）BUS TRIGGER AND DECODE ...........................................................................130
4.2 LIN BUS TRIGGER AND DECODE........................................................................................................................142
4.3 CAN BUS TRIGGER AND DECODE ......................................................................................................................149
4.4 SPI BUS TRIGGER AND DECODE ........................................................................................................................159
4.5 I2C BUS TRIGGER AND DECODE ........................................................................................................................166
CHAPTER FIVE APPLICATION EXAMPLES ...........................................................................................................176
5.1TAKING SIMPLE MEASUREMENT ........................................................................................................................178
5.2 CAPTURE SINGLE PULSE SIGNAL........................................................................................................................183
5.3 ANALYZE THE SIGNAL DETAIL............................................................................................................................186
5.4 TRIGGER ON VIDEO SIGNAL .............................................................................................................................190
5.5 USE MATH FFT .............................................................................................................................................192
CHAPTER SIX USE MULTIMETER ........................................................................................................................194
6.1 MULTIMETER SAFETY INFORMATION .................................................................................................................196
6.2 START MULTIMETER .......................................................................................................................................197