Minidso DS212 User manual

User Manual
Version 1.0
DS212 Mini Oscilloscope

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Contents
Important Safety Information
Chapter 1 DS212 Overview
Chapter 2 Interface Introduction
Chapter 3 Getting Started
Chapter 4 Functional Overview
Chapter 6 Battery Disposal
Chapter 5 Product Inspection
Chapter 7 Technical Support
Warning: Warning statements identify conditions or practices
that could result in injure yourself or others.
Caution: Caution statements identify conditions or practices
that could result in damage to your device or other property.
Attention: Attention statements identify annotations, usage
tips or additional information.
This user manual is
based on APP V1.03

1
Safety Statement
● Read carefully all the following safety precautions to avoid personal injury
and prevent damage to the device or any products connected to it. Failure
to follow these safety instructions could result in personal injuries or risk of
fire.
●
●
●
Use proper power cord. Please use power cord specified for this product
and certified for your country/district of use.
Connect and disconnect properly. Do not connect or disconnect probe or
test leads while they are connected to voltage source. Before you connect
or disconnect current probes,please disconnect power to the circuit under
test.
Observe all the terminal ratings. To avoid fire or shock hazard, please do
not measure signals at DC40V or above. Please read the User Manual
carefully to learn more about ratings before connection.
●
●
Please keep the device surface clean and dry.
Do not operate in a humid environment.
Do not operate in a potentially inflammable/explosive atmosphere.
●
General Safety Information
Operating Environment
Temperature
Operating Condition: +0°C to 50°c
Non-operating Condition: -20°c to +60°c
Humidity
Operating Condition: High Temperature：40°C to 50°C,0% to 90%RH
Low Temperature : 0° C to 40°C,10% to 90%RH
Non-operating Condition: High temperature：40°C to 60°C,5% to 95%RH
Low temperature：0° C to 40°C,5% to 95%RH
Requirement
Operating Environment

2
DS212 Over view
Chapter 1
Specifications
Performance parameters
Analog bandwidth
1MHz
Maximum sampling rate
10MSa s/
Maximum sample memory depth
8K
Analog input impedance
1MΩ
Maximum input voltage
± ( )40V X1 probe
Coupling
AC DC/
Vertical sensitivity
20mv/Div~10V/Div (in 1-2-5 sequence step)
Horizontal sensitivity
1uS/Div~2S/Div(in 1-2-5 sequence step)
Functionalities
Product parameters
Synchronous mode Auto Normal Single None Scan ， ， ， ，
Trigger mode Rising/Falling edge trigger
Modes Vertical precise, horizontal precise measurement andtrigger threshold
Auto measurement frequency, cycle time, duty cycle,DC RMS voltage/
Vpp /Vmax/Vmin/Vavg
Inbuilt signal Generator 10Hz~1MHz square wave (duty adjustable) or 10Hz~20KHz Sine/
Square/Triangle/Sawtooth wave
Storage Inbuilt 8MB U disk storage for waveform data and images
Battery
Internal Lithium 500mAh battery, external USB port
Display
Color TFT LCD display ( )320X240 pixels
Dimension
（ ）100mm×56.5mm×10mm

3
Power Button
Charge indicator
Left-Right Thumbwheel
Up-Down Thumbwheel
Up-Down
Thumbwheel
Run/Pause Button
USB Port
Wave Out
Signal Input
Interface & Buttons
Chapter 1
DS212 Over view

4
(Dial Up/Down) Choose up/down
Dial left/right to increase/decrease the setting parameters
Wheel M
middle button
Wheel S
middle button
1)Click:Sub-menu On/Off
2)long press:Enter file management
3)Double click:When "Auto Fit" is ON, auto adjustment
||
1)Click:Switch Menu/Confirm sub-menu
2)long press:Menu display/hide
1)Click:
2)long press:Save current parameter/screen display
Run/Pause
Wheel M
Wheel S
Dial Left/Right
Dial Up/Down
Chapter 1
DS212 Over view
Operation on option area
Button Function
Note that each item's color in Parameter Area is the same as that in Measurement Area.

5
Home screen
Parameter area
Option area
Measurement area
Menu Function
△
V=V1-V2
T=T2-T1
△
Measured Value（Blue corresponds with Channel A,
Yellow with Channel B） corresponding the 1st and
2nd item in Page2
Interface Introduction
Home screen introduction
Chapter 2
Measurement area introduction

6
Page1(oscilloscope)
A channel option
Bchannel option
C channel option
TimeBase option
Trigger option
Vernier option
Horizontal window
Page2(Measurement)
Frequency
Duty ratio
root-mean-square value
voltage average value
voltage peak-to-peak value
battery voltage
Page3(option)
File management
Output option
System settings
Adjusting option
Product information
relevant information
Annotation: detailed introduction to options refer to Page 13-19
Interface Introduction
Home screen introduction
Chapter 2
Option area introduction

/ /
(-A)/(-B)/(A+B)/(A-B)/
RecA/RecB/RecC/Hide
AUTO/NORM/SINGL/
NONE/SCAN/STOP
7
Menu Item
Functions
Interface Introduction
Home screen introduction
Chapter 2
Parameter area introduction
Battery supply/USB charging/Full charge
(- ):
(- ):
( + ):
( - ):
A Ch_A waveform reverses
B Ch_B waveform reverses
A B Ch_A waveform overlaps with Ch_B waveform;
A B Subtraction of channel A waveform
and channel B waveform
RecA:Reload the last waveform saved in Ch_A;
RecB:Reload the last waveform saved in Ch_B
RecC:Reload the last waveform saved in Ch_C
Hide:Hide waveform
20mV—10V(1-2-5 sequence step
AC/DC
)(Channel A) y-axis voltage per grid,
AC/ DC coupling method
20mV—10V(1-2-5 sequence step
AC/DC
)(Channel B) y-axis voltage per grid,
AC/ DC coupling
Timebase (x-axis voltage per grid)
Trigger mode falling edge trigger/
rising edge trigger
：
Auto/Normal/Single/Slow Scan/
Instant Scan/Run/Pause
1.0uS—1S(1-2-5sequence step)

8
●
●Switch power button to "OFF" to turn off DS212
(If DS212 was powered off automatically, switch
off the power button before turning on.)
"OFF"Power On/Off Button
●
●Hold Wheel S and turn on DS212, it enters APP2 (If
APP2 is not installed, it enters DFU mode.)
Normally, turn on DS212, it enters APP1 by default.
Turn on/off
●Hold Pause button“ “and turn on DS212,
to enter DFU mode.
Switch APP
Upgrade mode
Getting Star ted
Power On/Off
Chapter 3

Adjust relevant parameters of CH A：
1. Adjust the DC mode in AC/DC function in CH A
2. Voltage adjustment:Switch Voltage to 1V
9
Measure WAVE OUT outlet waveform
Getting Star ted
Check up before use
Chapter 3
Connect probes to both the MCX and
CH A input jacks
Make a quick inspection of functions to ensure the device is working soundly.
Please perform following steps:
Turn on power and access the homepage of the mini oscilloscope.
Place in the standard signal (e.g. square wave 1 KHz, Vpp=3V), insert X1
probe’s MCX end to CH A or CH B, and the probe to “OUT”. Check if the
measurement value and the standard value are equal, calibrate if different.
See below for detailed instructions:
●
●

10
In main menu, middle click Wheel S to switch main menu
In main menu, hold Wheel S middle button to show/hide main menu
When hidden in main menu,dial left/right Wheel S to change time base
(middle click Wheel S to switch current trigger channel)
When hidden in main menu，dial up/down Wheel M to change voltage
(middle click Wheel M to switch Channel A/B)
Switch main menu
Show/Hide main menu
Change time base
Change voltage
Getting Star ted
Operation Introduction
Chapter 3

11
In main menu, middle click Wheel M to show/hide sub-menu
In sub-menu, middle click Wheel S to confirm operation
In main menu/sub-menu, dial up/down Wheel M to choose up/down menu options
Show/Hide sub-menu
Confirm option
Choose menu
Getting Star ted
Operation Introduction
Chapter 3

12
In main menu/sub-menu, hold Wheel M middle button to show/hide
sub-menu of file managerment
Enter "Trigger" in "Page 1" of main menu, set "Auto Fit" to "ON", double click
Wheel M middle button, DS212 will automcatically calibrate amplitude, time
base and trigger.
In main menu/sub-menu, dial left/right Wheel S to increase/decrease the setting
parameters.(When adjusting parameters of "Post" in sub-menu, hold Wheel S
middle button can fast adjust readings)
x2
Enter "system setting" of "Page 3" under main menu, choose "Power off",
and dial Wheel S left/right to choose the time setting of auto power off.
If charging via USB, auto power off will not be activated.
"Auto Fit" setting
Adjust menu
parameters
Auto-off setting
Getting Star ted
Operation Introduction
Chapter 3
Show/Hide
sub-menu of file
managerment
shortcut

Overview of Menu options
13
Page1 Oscillo Page3 Options
Page2 Measure
DS212 Menu
CH_B
CH_C
TimeBase
Trigger
Cursors
X_Window
CH_A
Voltage
Post
AC/DC
Enable
Probe
Same With CH_A
Math
Post
Enable
SyncMode
TrigMode
Source
Threshold
Enable
Auto Fit
1.0uS - 2.0S
1-2-5
T1 Post
T2 Post
Enable T
V1 Post
V2 Post
Enable V
Post
Depth
Enable
Freq
Duty
RMS
Vavg
Vpp
Vbat
Source
Type
Enable
Source
Type
Enable
Source
Type
Enable
Source
Type
Enable
Source
Type
Enable
File Manage
WaveOut Option
System Setting
Calibration
Product Info
About
Save Param
Save Bmp
Save Dat
Save Buf
Save Csv
Load Dat
Load Buf
Save Svg
Type
Freq
Duty
Volume
BKlight
Standby
Power Off
Menu Cycle
Item Cycle
Post Cycle
Calibrate Zero
Restore Data
Device SN
Hardware
MCU Type
LCD Type
USB Disk
DFU Type
APP Type
Battery voltage
Functional Over view
Chapter 4

14
Voltage
Channel A y-axis voltage
per grid
20mV/50mV/0.1V/0.2V/0.5V/
1.0V/2.0V/5.0V/10V
Post
Adjust Channel A waveform position
upward/downward in the window
Position:5-195
AC/DC
channel A coupling
AD/DC
Enable
channel A display/hide
ON/OFF
Probe
X1 / X10
Voltage
Channel B y-axis
voltage per grid
20mV/50mV/0.1V/0.2V/0.5
V/1.0V/2.0V/5.0V/10V
Post
Adjust Channel B waveform position
upward/downward in the window
Position:5-195
AC/DC
channel B coupling
AD/DC
Enable
channel B display/hide
ON/OFF
Probe
X1 / X10
Match
Calculation between CH_A
waveform and CH_B waveform
–
RecA,RecB,RecC
A,-B,A+B,A-B,
Post
Adjust CH_C waveform position
upward/downward in the window
Position:5-195
Enable
CH_C display / hide
ON/OFF
TimeBase
TimeBase X-axis
voltage per grid
1.0us-2.0s(1-2-5
stepsequence )
Menu Options Functions Annotation for Functions Description
Page1
Oscillo
Functional Over view
Specific Parameter Intro
Chapter 4

15
Syncmode
Syncmode trigger mode
selection
AUTO/NORM/SINGL/
NONE/SCAN
Automatic /standard /
single pass /slow scan/
immediate scan
Trigmode
Choose the Triggering Mode
Rising edge/Falling edge
Triggering mode
Source
Choose the Triggering
channel
CH A/CH B
Threshol
Horizontal Triggering
Position Level
Position:-80-110
Enable
Display/Hide Horizontal
Triggering Position Level
ON/OFF
Auto Fit
Automatic adjustment
ON/OFF
T1.Post
Time measurement
cursorT1
Position:5-248
T2.Post
Time measurement
cursor T2
Position:5-248
Enable.T
Display
Measurement cursor
/Hide Time
ON/OFF
V1.Post
Voltage Measurement
Cursor V1
Site selection:2-198
V2.Post
Voltage Measurement
Cursor V2
Site selection:2-198
Enable.V
Display
Measurement cursor
/Hide Voltage
CH A/CH B/OFF
Page1
Oscillo
Menu Options Functions Annotation for Functions Description
Functional Over view
Specific Parameter Intro
Chapter 4

16
Functional Over view
Specific Parameter Intro
Chapter 4
Post
Horizontal movement
to view waveform
Depends sample
memory depth
Depth
Internal storage depth
1k/2k/4k/8k
Enable
Display/hide Trigger line
cursor
ON/OFF
Source
Choose the Measurement
channel
CH A/CH B
Type
Choose the
Measurement Type
FREQ/DUTY/ RMS/
Vavg/Vpp/Max/Min
Notes: Frequency/Duty/
Root Mean Square/
Voltage Avergage/
Voltage Peak-Peak/
Voltage Maximum/
Voltage Minimum
Enable
Display/Hide
measurement window
ON/OFF
Source
Choose the Measurement
channel
CH A/CH B
Type
Choose the Measurement
Type
FREQ/DUTY/RMS/
Vavg/Vpp/Vmax/ Vmin
Notes: Frequency/Duty/
Root Mean Square/
Voltage Avergage/
Voltage Peak-Peak/
Voltage Maximum/
Voltage Minimum
Enable
Display/Hide
measurement window
ON/OFF
Page1
Oscillo
Menu Item Options Annotation for Functions Description
Page2
Measure

17
Functional Over view
Specific Parameter Intro
Chapter 4
Source
Choose the Measurement channel
CH A/CH B
Type
Choose the
Measurement Type
FREQ/DUTY/RMS/
Vavg/Vpp/Max/Min
Notes: Frequency/Duty/
Root Mean Square/
Voltage Avergage/
Voltage Peak-Peak/
Voltage Maximum/
Voltage Minimum
Enable
Display/Hide measurement window
ON/OFF
Source
Choose the Measurement channel
CH A/CH B
Type
Choose the
Measurement Type
FREQ/DUTY/RMS/
Vavg/Vpp/Max/Min
Notes: Frequency/Duty/
Root Mean Square/
Voltage Avergage/
Voltage Peak-Peak/
Voltage Maximum/
Voltage Minimum
Enable
Display/Hide
measurement window
ON/OFF
Source
Choose the Measurement Type
CH A/CH B
Type
Choose the
Measurement Type
FREQ/DUTY/RMS/
Vavg/Vpp/Max/Min
Notes: Frequency/Duty/
Root Mean Square/
Voltage Avergage/
Voltage Peak-Peak/
Voltage Maximum/
Voltage Minimum
Enable
Display/Hide
measurement window
ON/OFF
Vbat
Battery voltage
Menu Options Functions Annotation for Functions Description
Page2
Measure

Functional Over view
Specific Parameter Intro
Chapter 4
Save
Param
Save current
parameter settings
Middle click Wheel S to save
Save Bmp
Save bmp file (waveform image) to
the built-in U disk.(Shortcut: long
press”Run/Pause”button
Middle click Wheel S to save
Save Dat
Save dat file to built-in U
disk
Middle click Wheel S to save
Save Buf
Save buf file (sampling data in
buffering area) to built-in U disk
Middle click Wheel S to save
Save Csv
Save csv file (export sampling data in
buffering area) to built-in U disk
Middle click Wheel S to save
Load Dat
Load dat file
Middle click Wheel S to save
Load Buf
Load buf file
Middle click Wheel S to save
Save Svg
Save Svg file (sampling buffer figure)
In U disc
Type
Output signal type
squar/sine/triangle
/sawtooth
Freq
Output signal frequecy
Duty
Output signal duty cycle
10%-90%
Volume
Adjust buzzer volume
0%-90%
Blight
Adjust backlight brightness
10%-100%
Standby
Adjust standby time
0min-60min
Menu Options Functions Annotation for Functions Description
Page3
Setting
Squar(10Hz-1Mhz)sine/
triangle/sawtooth(10Hz-20kHz)
18