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7.5

 

Signal generator

Click the "

 Gen

 " button

amplitude  is  2.5V,  the  maximum  frequency  of  the  sine  wave  is 
waves are 1M. 

Click the " Stop" button to
Click the "Single" button to 
Click  the  "s"  and  "ns

wave, triangle wave, etc. 

Click "Ok" or "Gen" 
Square wave can adjust the duty cycle, other waveforms do not work.

Note:

 When the set frequency is greater than 1MHz, the square wave signal may 

show small horizontal jitter

7.6

 

Single/dual channel 

Shift” +"

CH1CH2

" button to turn on/off 

cannot  be  turned  off.  When  you  do  not  need  to use two  channels  at  the  same  time, 
please turn off CH2 to obtain a higher sampling rate and reduce power consumption.
When using dual channel mode, click the "CH1CH2" button to 
CH1 and CH2. If CH1 has a high priority, the waveform of CH1 is moved by the up 
and down buttons

.

   

7.7

 

Cursor 

Press the “Shift” +"s" key to turn the horizontal cursor on/off.
Press the “Shift” +"ns"key to turn the vertical cursor on/off

 

Press the left and right arrow keys directly to move the horizontal cursor 1. After 

pressing  the  Shift  key,  press  the  horizontal  arrow  key  again  to  move  the  horizontal 
cursor 2. The same goes for vertical cursors.

For vertical cursors, Y1: The voltage a

the dashed line below. dY=Y1

 

12 

Signal generator 

button to call up the window of the signal generator, 

amplitude  is  2.5V,  the  maximum  frequency  of  the  sine  wave  is  5M,  and  the  other 

button to turn on/off the signal generator output.

" button to reset the number to: 1.00Khz, 50% 

ns"  keys  to  switch  the  output  waveform:  sine  wave,  square 
 

 to confirm and exit. 

can adjust the duty cycle, other waveforms do not work.

When the set frequency is greater than 1MHz, the square wave signal may 

show small horizontal jitter. 

Single/dual channel   

" button to turn on/off CH2.    CH1 can only be turned on and 

cannot  be  turned  off.  When  you  do  not  need  to use two  channels  at  the  same  time, 

to obtain a higher sampling rate and reduce power consumption.

When using dual channel mode, click the "CH1CH2" button to switch the priority of 

If CH1 has a high priority, the waveform of CH1 is moved by the up 

"s" key to turn the horizontal cursor on/off. 

s"key to turn the vertical cursor on/off. 

Press the left and right arrow keys directly to move the horizontal cursor 1. After 

pressing  the  Shift  key,  press  the  horizontal  arrow  key  again  to  move  the  horizontal 
cursor 2. The same goes for vertical cursors. 

For vertical cursors, Y1: The voltage at the dashed line above. Y2: The voltage at 

the dashed line below. dY=Y1-Y2, which is the voltage difference between the two 

of the signal generator, The signal 

M,  and  the  other 

 

:  sine  wave,  square 

can adjust the duty cycle, other waveforms do not work. 

When the set frequency is greater than 1MHz, the square wave signal may 

1 can only be turned on and 

cannot  be  turned  off.  When  you  do  not  need  to use two  channels  at  the  same  time, 

to obtain a higher sampling rate and reduce power consumption. 

switch the priority of 

If CH1 has a high priority, the waveform of CH1 is moved by the up 

Press the left and right arrow keys directly to move the horizontal cursor 1. After 

pressing  the  Shift  key,  press  the  horizontal  arrow  key  again  to  move  the  horizontal 

t the dashed line above. Y2: The voltage at 

Y2, which is the voltage difference between the two 

Summary of Contents for DSO3D12

Page 1: ...DSO3D12 User s Manual Designed by ZEEWEII DIGITAL OSCILLOSCOPE...

Page 2: ...de is normal Trigger edge Rising edge trigger or falling edge trigger Battery level indication Trigger level position X1 X10 indicates probe attenuation which should be set to match the probe The goal...

Page 3: ...eform 50 Quick centering CH1 DMM Turn the multimeter on off Press Shift DMM to full screen Select Multimeter function selection mV V Adjust vertical sensitivity voltage of one grid s ns Adjust the tim...

Page 4: ...connected the oscilloscope automatically adjusts the range in real time Press any key to exit Shift V ch1 Turn on off the voice assistant 1 Safety Precautions High voltage The x10 range of the probe...

Page 5: ...anual adjustment mV V buttons scale the waveform vertically The s ns button scales the waveform horizontally The vertical sensitivity indicates the voltage of a grid in the vertical direction and it i...

Page 6: ...set the high priority of channel 2 pay attention to the change of the 1 2 icon in the upper left corner When not using dual channel measurements Channel 2 should be turned off for higher sample rates...

Page 7: ...s 3 4 1 Large input capacitance Because the probe 1X has a large input capacitance usually more than 100 pf it is not suitable for measuring some capacitively sensitive circuits For example when measu...

Page 8: ...f the signal by observing how many divisions the waveform occupies on the screen For example if the vertical sensitivity is 1v div and the signal occupies 3 grids on the screen you can know that the a...

Page 9: ...for adjusting the time base in the oscilloscope button panel are ns and s button When observing high frequency signals you should press the ns button to decrease the time base When observing low freq...

Page 10: ...The arrow circled above is the trigger level position and when the edge of the square wave in the above figure passes upwards through the position of this arrow a trigger is formed the waveform only...

Page 11: ...ancel a single trigger click Stop to stop Procedure 1 Connect the signal first 2 mV V set the voltage sensitivity s ns set the time base 3 Set the trigger level to manual and adjust the trigger level...

Page 12: ...exit can adjust the duty cycle other waveforms do not work When the set frequency is greater than 1MHz the square wave signal may show small horizontal jitter Single dual channel button to turn on off...

Page 13: ...e 1X 8 2 Measurement There are 14 measurement options available as shown below Frequency Peak to Peak Duty cycle Amplitude RMS Average Period Pulse width Pulse width Max Min Top Base Duty cycle The di...

Page 14: ...emain on the screen for a while and then disappear Optional persistence options are None 1s Infinite When Infinity is selected the waveforms that have appeared on the screen will remain forever and wi...

Page 15: ...Support Equivalent sample 500M Screenshot Support Rise time 3ns Frequency 0 01 Storage depth 64K Single Support Impedance 1M FFT Support Time base 5ns 10s Wave out amp 2 5V 0 05 Ver sensitivity 10mV...

Page 16: ...ice speech rate accent etc we cannot guarantee the accuracy of recognition Wake up command Hello ZEEWEII Pronounced Hello see wave or Hello mini scope Command words function Auto setting It is equival...

Page 17: ...w do I reset the device to its initial state Answer Open Menu Set and then long press the Auto button to reset 1 What is the difference between probe 1X and 10X Answer The 1X does not attenuate the si...

Page 18: ...cted to the audio output The time base is adjusted to about 1 10ms and the voltage sensitivity is adjusted to about 500mV decided according to the volume 6 How to measure main board communication sign...

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