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DSO-1000/DSO-2000 Series Oscilloscopes

1. EE Started eege E ee 6 Inspect package CONTENTMS ccecceeeesseeesseeeseeeseeeeseeeseeenees 6 PRONE Pale lexicon ei ee dee ee eli 6 NAMING FO CULATION BE 10 le IT DE 11 Interpreting the display csccsessesseeseeseseeeeseeeeeeseeseesseeees 12 2 Basic Operation AAA 14 Probe Compensattion cc cceccsscescseesseeseeseesseesesseeseeeeenesseeees 14 USING AULOSEU E 15 Vertical Controls ics eae eee 16 CML CH2 lt 1 EE 18 MATH FUNCHON EE 25 REF FUNCION apoun eege 29 Horizontal Contes 31 TRIG GOK e at e E 39 ACQUIRE Men EEN 46 UTILITY lees 54 MEASURE Men iicicct erection eae 62 SAVE EOAD MOM TE 70 CURSOR MGM EN 77 DISPLAY Meet 81 IIe 83 DSO 1000 DSO 2000 Series Oscilloscopes 3 Application Examples E Make Simple Measureme nts 2 c cccscceeseeeeeeeeeeeeeeeeeeeseees 84 Capture a Single Shot Signial ccccccccceeeeeeeeeeeeeeeeeeeeeees 85 Reduce the Random Noise on a SiQtl cccccccccccececeeeeeeenes 86 Trigger ON a Video SiQnal ccccccceceeeeseeeeeeeeeeeeeeeeeneeeseeees 88 PASS FAIL Measurement ecceseccenseccensseensseeeneeees 90 Wavetorm RECORGGM icici deeded eeivineet ee eegene degt 91 Cursor MEaSUFeMeNSivccsccicics cc cectceces ege eis ee 93 4 System Message and General Probleme 96 System Ee E 96 Gerneral ProbleM 2 ssccssccssecsseesseeencesssceesscesnsesascenaseenece 98 5 Specifications and Characteristics
2. Setup hlask E More 90 DSO 1000 DSO 2000 Series Oscilloscopes a Waveform Recorder Waveform recorder lets you record waveforms playback waveforms and save the waveforms Perform the following steps to record waveforms e Press the ACQUIRE key to display the ACUQIRE menu e Press the RECORD softkey to display the RECORD menu e Press the Mode softkey to select Record mode e Press the Source softkey to select the source channel CH1 e Press the Operate key to start recording total recorded frame count is displayed on the top left screen RECORD Mode SOUrCe CHI Interval e Perform the following steps to playback the waveforms e Press the ACQUIRE key to display the ACUQIRE menu e Press the RECORD softkey to display the RECORD menu e Press the Mode softkey to select Play back mode e Press Play Mode softkey to select C2 or ji Ji mode e Press Start Frame softkey and turn the entry knob to set the start frame e Press End Frame softkey and turn the entry knob to set the end frame e Press Interval softkey and turn the entry knob to set the interval time e Press Operate softkey to playback the waveform 91 DSO 1000 DSO 2000 Series Oscilloscopes RECORD Mode Play Mode e Perform the following steps to save the waveform recorded e Press the ACQUIRE key to display the ACUQIRE menu e Press the RECORD softkey to display the RECORD menu e Press the Mode softkey to select S
3. Maximun input 400Vpk 1MQ 5Vrms 50Q only for DSO 1202B DSO 2202B Differential delay 150ps between two channels with the same scale and coupling settings 1 Bandwidth reduced to 6MHz with a 1X probe 100 DSO 1000 DSO 2000 Series Oscilloscopes Horizontal system Time base range 200Msps 5ns div to 50 s div 1 2 5 5 step 400Msps 2 5 ns div to 50 s div 1 2 5 5 step 1Gsps 2 ns div to 50 s div 1 2 5 step Input of X Y mode Channel 1 is the X axis input Channel 2 is the Y axis input Bandwidth of X Y mode DSO 1022A DSO 1042AE DSO 1042A DSO 2042A DSO 1062A DSO 1062B DSO 2062A DSO 2062B DSO 1102A DSO 1102B DSO 2102A DSO 2102B DSO 1202B DSO 2202B Measurements Voltage measurement Maximum Minimum Peak to Peak High Low Amplitude Average RMS Cycle Average Cycle RMS Overshoot Preshoot Time measurement Frequency Period Width Width Duty Duty Rise time Fall time Delay Phase X at MAX X at MIN CH1 CH2 CH1 CH2 CH1xCH2 FFT 2k points Manual Automatic and Track Counter Built in 5 digit frequency counter Count up to the oscilloscope s maximum bandwidth 101 DSO 1000 DSO 2000 Series Oscilloscopes Trigger system Source CH1 CH2 EXT EXT 5 EXT 50Q only available for DSO 1202B or DSO 2202B AC Line Alternating Coupling DC AC LF Reject HF Reject Trigger sensitivity Edge CH1 CH2 1div from DC to 10MHz Trigger Type DC coupling 100mV from DC to 10MHz 200mV
4. and add functions You can press the REF key to save or load a reference waveform from the internal memory or external USB mass storage device You can use the vertical scale control knob to change the vertical scale of a waveform The waveform display will contract or expand relative to the ground reference level There is one vertical scale control knob for each channel 9 Horizontal controls When the oscilloscope is running the horizontal position control knob lets you set the acquisition window relative to the trigger point When the oscilloscope is stopped you can turn this knob to pan through the data horizontally This let you see the captured waveform before or after the trigger Press the horizontal MENU key to access the menu where you can split the oscilloscope display in Main and Delayed section and where you can select X Y and Roll modes Turn the horizontal sweep speed control knob to adjust the sweep speed This changes the time base on the display When adjusted after the waveform has been acquired and the oscilloscope is stopped this has the effect of stretching out or squeezing the waveform horizontally 10 Trigger controls These controls are used to control how the oscilloscope triggers to capture waveforms 11 Probe compensation terminals Use these two probe compensation terminals to match each probe s characteristics to the oscilloscope channel to which it is connected 12 External trigger input This is the ext
5. e ort ZA softkey and turn the Entry knob to change the vertical scale or position of the reference waveform Press REF Internal Storage Save to save the waveform of the Source channel as the reference waveform to the internal memory _Trist INTERNAL a GGG kHz Se se REF Scale Value Save a Reference waveform Note The reference waveform function is unavailable when X Y mode is selected 30 DSO 1000 DSO 2000 Series Oscilloscopes m Horizontal Controls Use the horizontal controls to adjust the time base adjust the trigger location and to examine waveform details more closely HORI ZONTAL SE lt a Ny AN Ni d oo E ut Dokaed Horizontal Controls DSO 1000 DSO 2000 Series Oscilloscopes Horizontal Position Control When the oscilloscope is running this control lets you set the acquisition window relative to the trigger point When the oscilloscope is stopped you can turn this knob to pan through the data horizontally This lets you see the captured waveform before the trigger or after the trigger The trigger position is marked with the litter T at the top of the graticule and also in the waveform record icon at the top of the screen The small inverted triangle is the time reference indicator When you change the horizontal scale the waveforms contract or expand about this point Press the horizontal position control knob to set the time delay to zero and
6. the trigger position indicator if overlays the time reference indicator Note The horizontal position control is unavailable when X Y horizontal mode is selected Horizontal Scale Control Use the horizontal scale control to adjust the time base The scale expands or contracts around the center of the screen The horizontal scale factor can be set in a 1 2 5 5 sequence for A series or in a 1 2 5 sequence for B series Press the horizontal scale control knob to toggle between Main and Delayed horizontal mode Horizontal MENU key Press the horizontal MENU key to display the HORIZONTAL menu This menu lets you select the horizontal mode Main Delayed Roll or X Y and set the Holdoff time Press the horizontal MENU key to display the HORIZONTAL menu page 1 2 32 DSO 1000 DSO 2000 Series Oscilloscopes TE Softkey hain Main mode is ON a Main poe Main mode is OFF om Fi Delayed mode is ON vf Delayed poe Delayed mode is OFF X Y mode is ON X Y fe X Y mode is OFF Fall Roll mode is ON fe Roll mode is OFF More More Press softkey More 1 2 to display the HORIZONTAL menu page 2 2 Holdott Set u i p the holdoff time Holdon L ns Holdoff Reset the holdoff time to Haldott Reset default value 100ns mo a Oo Reset the delay time to zero pi O Select page 1 2 33 DSO 1000 DSO 2000 Series Oscilloscopes Main Horizontal Mode Main horizontal mode is the normal viewing mode for the oscillosc
7. Phase 2 1 to the period of CH2 expressed in degrees FLL X at Max is the X axis value refer to Trigger point at the first displayed SS X at Max occurrence of the waveform Maximum LZ starting from the left side of the display X at Min is the X axis value refer to Mlore Trigger point at the first displayed ES X at Min occurrence of the waveform Minimum S starting from the left side of the display More 4 5 pe Display menu page 5 5 66 DSO 1000 DSO 2000 Series Oscilloscopes Press More 4 5 softkey to display the TIME menu page 5 5 Display menu page 1 5 hdore 67 DSO 1000 DSO 2000 Series Oscilloscopes Automatic Measurement Procedure Press MEASURE Measure All to turn on all Auto Measurements Up to 20 kinds of measurements of current channel are displayed on the center of the screen MEASURE SOUrCe Press Measure All again to turn off all Auto Measurements Press MEASURE Voltage to display the VOLTAGE menu or press MEASURE Time to display the TIME menu Press softkey of voltage or time parameters you want to measure The selected parameter will be displayed on the bottom of the display Press Clear softkey to clear all displayed measurement parameter Note Up to three parameters can be displayed at the same time on the bottom of the display Press the parameter softkey to add a new parameter when three parameters are already displayed The first parameter will be pushed out
8. Video Set to 50 key Press the 50 key to set the trigger level to the 50 amplitude level of the trigger source waveform Force Trigger key Press the FORCE key to force an immediate trigger event even in the absence of a signal This function is useful in following situations If you do not see a waveform on the screen when using Normal trigger mode press the FORCE key to acquire the signal baseline to verify that it is on the screen After you press the SINGLE key to set up for a single shot acquisition you can press the FORCE key to do a practise acquisition to verify the control settings Trigger Level Control Use the trigger level control knob to adjust the trigger level When you change the trigger level a horizontal line temporarily appears to show you the level on screen After the line disappears the trigger level is marked with a small left arrow Auto and Normal Trigger Modes Press the trigger MENU key to display the TRIGGER menu and press the Mode softkey to select Auto or Normal trigger mode Note The Auto and Normal trigger mode is unavailable when Video trigger type is selected Auto mode Use the auto trigger mode for signals other than low repetitive rate signals and for unknown signal levels To display a DC signal you must use Auto trigger mode since there is no edge to trigger on When you press RUN STOP key to start acquiring the oscilloscope first fill the pre trigger buffer It starts to search fo
9. bandwidth limit digital filter and invert status 14 Waveform baseline icons show the zero volt level of the waveforms The icon colors correspond to the waveform colors 13 DSO 1000 DSO 2000 Series Oscilloscopes 2 Basic Operation m Probe Compensation Perform this adjustment to match your probe to the input channel This should be done whenever you attach a passive probe for the first time to any input channel A poorly compensated probe can introduce measurement errors 1 Connect the oscilloscope probe to channel 1 Attach the probe tip and reference lead to the 3Vp p 1kHz terminal and to the chassis terminal then press AUTO key 2 Use a nonmetallic tool to adjust the trimmer capacitor on the probe for the flattest pulse possible The trimmer capacitor is located on the probe BNC connector Perfect compensated Over compensated Under compensated 3 Connect probes to all other oscilloscope channels Repeat the procedure for each channel This matches each probe to each channel DSO 1000 DSO 2000 Series Oscilloscopes Using Autoset DSO 1000 and DSO 2000 Series Digital Storage Oscilloscopes provide the Autoset function which sets the vertical horizontal and trigger controls automatically Autoset function finds turns on and scales any channel with a repetitive waveform that has a frequency of at least 50 Hz a duty cycle greater than 0 5 and an amplitude of at least 10mV peak to peak Any channels that
10. do not meet these requirements are turned off When you are using more than one channel the Autoset function sets the vertical controls for each channel and used the lowest numbered active channel to set the horizontal and trigger controls To configure the oscilloscope quickly and automatically press the AUTO key to display the connected signals that are active To configure the oscilloscope to display multiple cycles press Multi Cycle softkey in the AUTO menu To configure the oscilloscope to display a single cycle press Single Cycle softkey in the AUTO menu To undo the effects of Autoset press the Undo Autoset softkey in the AUTO menu before pressing any other key This is useful when you have unintentionally pressed the AUTO key or do not like the settings Autoset has selected and want to return to your previous settings toset of oscilloscope channel 1 15 DSO 1000 DSO 2000 Series Oscilloscopes a Vertical Controls VERT GAL A dr i i E A e LV a im Vertical Position Control CH1 CH2 Turn the small vertical position knob above the channel key to move the channel es waveform and its ground level icon up or down on the display The voltage value momentarily displayed in the bottom left portion of the display represents the voltage difference between the vertical center of the display and the ground level Press the small vertical position knob above the channel key to bring the
11. from 10MHz to full Bandwidth 500mV from DC to full Bandwidth Trigger sensitivity Edge Same as DC coupling at 50 Hz and above Trigger Type AC coupling Trigger sensitivity Edge Same as the DC coupling limits for frequencies above Trigger Type LF REJ 100kHz attenuates signals below 8kHz Trigger sensitivity Edge Same as the DC coupling limits from DC to 10kHz Trigger Type HF REJ attenuates signals above 150kHz Trigger sensitivity Internal Pk to Pk amplitude of 2 divisions Video Trigger Type EXT 400 mV EXT 5 2V Signal formates Supports NTSC PAL and SECAM broadcast systems for and Field Rates any field or any line Video Trigger Type Trigger level range 8 divisions from screen center EXT 1 6V EXT 5 8V Holdoff Range 100ns to 1 5s Trigger Level Accuracy Internal 0 3 divxvolts div Input impedance 1MQ 2 19pF 3pF or 500 2 only for DSO 1202B DSO 2202B Maximum input 400Vpk 1MQ 5Vrms 500Q only for DSO 1202B DSO 2202B SET LEVEL TO 50 Operates with input signal 250 Hz Pulse Width Trigger mode Trigger when Less than Greater than Equal Positive pulse Negative pulse Pulse Width Range 20ns to 10s 102 DSO 1000 DSO 2000 Series Oscilloscopes Storage and I O Internal memory 10 setups and waveforms can be saved and recalled internally File format Setup file STP Waveform file WFM BMP file BMP CSV file CSV all files have the real time and date messages except DSO 1022A and DSO 1042A
12. into Main and ull Screen Math sections _hiore Full Screen Display Math waveform in full HEU screen Zi More 2 2 r ll Select page 1 2 25 DSO 1000 DSO 2000 Series Oscilloscopes For example we select the A B math function select CH1 as the Source A and select CH2 as the Source B then we will get the math waveform like this Triad RATE Operate Prrrtind DW d 4 ff hb LV D S LG n es e H eo E K kd F Le u b perem P TI 8 Kabel kl Tr A wal baw Ladin Display Mode Wl re Mat h status Math Scale Math A B 26 DSO 1000 DSO 2000 Series Oscilloscopes m FFT Spectrum Analysis You can use the FFT function to measure harmonic component and distortion in systems to characterize noise in DC power supplies and to analyze vibration Press MATH channel key to turn on the MATH menu page 1 2 and then press Operate softkey to select FFT The FFT menu page 1 2 will be displayed FFT Operate SOUrCe Window Select CH2 for FFT Window Hanning Use Hanning window scale Hamming Use Hamming window da DS Blackman Use Blackman window Scale dBV RMS St More 2 DSO 1000 DSO 2000 Series Oscilloscopes Press softkey More 1 2 to display FFT menu page 2 2 FFT a ER Sr Eemer Operate FFT Display Mode Split Screen Split the display into Main and Math sections Full Screen Display Math waveform in full screen More 2 2 ES Select page 1 2 splay Made Full Scr
13. to fall from 90 to 10 of its amplitude Display menu page 2 5 Rise Time is the time that the first e Rise Time positive going edge takes to rise from H 10 to 90 of its amplitude the 50 amplitude points of the first positive pulse Width negative pulse Positive Duty is the ratio of the first Duty positive width to its period expressed as a percentage e as a percentage Negative Width is the time between Negative Duty is the ratio of the first Duty Positive Width is the time between Width the 50 amplitude points of the first negative width to its period expressed More 2 5 Display menu page 3 5 65 DSO 1000 DSO 2000 Series Oscilloscopes Press More 2 5 softkey to display the TIME menu page 3 5 The time between the 50 amplitude Delay 1424 points of the first positive going edge of each channel The time between the 50 amplitude Delay 1 gt 27 points of the first negative going edge of each channel The time between the first positive going edge of CH1 and the first Delay 14 gt 2 negative going edge of CH2 at each 50 amplitude point The time between the first negative going edge of CH1 and the first Delay 1 24 positive going edge of CH2 at each 50 amplitude point More 3 5 pe Display menu page 4 5 1 Fa ty EE Phase 1 2 is the ratio of Delay 1 2 Phasel 2 Phase 1 2 to the period of CH1 expressed in a degrees E Phase 2 1 is the ratio of Delay 2 1 Phase2 1
14. 062B DSO 2062A DSO 2062B DSO 1102A DSO 1102B DSO 2102A DSO 2102B DSO 1202B DSO 2202B 99 DSO 1000 DSO 2000 Series Oscilloscopes m Characteristics All characteristics are the typical performance values and are not warranted Characteristics are valid after a 30 minute warm up time and within 5 C of last Geht Cal temperature Vertical system Scope channels 2 channels plus external trigger input Bandwidth 25MHz DSO 1022A 40MHz DSO 1042AE DSO 1042A DSO 2042A 60MHz DSO 1062A DSO 1062B DSO 2062A DSO 2062B DSO 1102A DSO 1102B DSO 2102A DSO 2102B DSO 1202B DSO 2202B Calculated rise time DSO 1022A 0 35 bandwidth DSO 1042AE DSO 1042A DSO 2042A DSO 1062A DSO 1062B DSO 2062A DSO 2062B DSO 1102A DSO 1102B DSO 2102A DSO 2102B DSO 1202B DSO 2202B Coupling AC DC GND 20MHz selectable except DSO 1022A DC Vertical Gain Accuracy 2 mV div to 5 mV div 4 10 mV div to 5 V div 38 DC Measurement 2 mV div to 5 mV div 4 x reading 0 1 x V div 0 5 mV 10 mV div to 5 V div 3 x reading 0 1 x V div 1 0 mV 8 divisions from the center of the screen Attenuation factor x1 x10 x 100 x 1000 Channel common mode 100 1 at 60Hz rejection 20 1 at 10MHz 1 Lower frequency limit AC lt 5Hz at BNC coupled lt 1Hz when using a 10X passive probe Channel to 2100 1 at 1MHz channel crosstalk 2100 1 at 10MHz 1 Input Impedance 1MO 2 19pF 3pF or 500 2 only for DSO 1202B DSO 2202B
15. 57 DSO 1000 DSO 2000 Series Oscilloscopes System Setup Press UTILITY System Setup to display the SYSTEM menu key Sound Key Sound Key press sound on WEN Set Date amp Time See See po Select the DATE amp TIME menu Note For model DSO 1022A and DSO 1042AE Set Date amp Time function is not available Press the Set Date amp Time softkey to display the DATE amp TIME menu Display Date amp time display on Display Hour Min OFF O Date amp time display off sd Set minute Hour Min Co om Month Day Co se e o se 58 DSO 1000 DSO 2000 Series Oscilloscopes Service Press UTILITY Service to display the Service menu e Sot Serer ints Display system system Info Sarai information Model E Serial number Software version creen Test Installed modules KeyTest foo Check the key and control operation Press UTILITY Service to display the Service menu and then press the System Info softkey to display the system informations such as Model Serial number Power up times Software version and a list of installed modules SER CE System Info screen Test System Information 59 DSO 1000 DSO 2000 Series Oscilloscopes Pass Fail The oscilloscope first measures the input source signal and compares it with Pass Fail regulations and then outputs the Pass Fail result Press UTILITY Pass Fail to display the PASS FAIL menu 1 2 erem Pass Fail function on Ena
16. 99 RE le rran Ss cesses A gute Gantoiaes 99 Characters UGS erioa recess nied eel aoa aaa 100 DSO 1000 DSO 2000 Series Oscilloscopes 1 Getting Started m Inspect package contents nspect the shipping container for damage If the shipping container or cushioning material is damaged it should be kept until the contents of the shipment have been checked for completeness and the oscilloscope has been checked mechanically and electrically Verify that you received the following items and any optional accessories you may have ordered e DSO 1000 or DSO 2000 Series Oscilloscope e Two oscilloscope probes e Power cord e User s Manual If the contents are incomplete if there is mechanical damage or defeat please contact us Front Panel This section provides an introduction to the front panel of the DSO 1000 and DSO 2000 Series Oscilloscopes Generally you set up the front panel controls first and then perform a measurement The keys or knobs on the front panel bring up softkey menus on the display that provide further access to oscilloscope features Entry knob is usually used to select or input values Five softkeys are located along the right side of the display screen The following figure shows the front panel of the DSO 1000 and DSO 2000 Series Oscilloscopes DSO 1000 DSO 2000 Series Oscilloscopes 1 Trademark and Model Indicate the oscilloscope model and trademark of the manufacturer 2 Bandwidth and Sample Rate Indic
17. E Standard ports USB host USB device except DSO 1022A and DSO 1042AE Optional ports RS232C PASS FAIL OUT GPIB RS232C PASS FAIL OUT Acquisition system Max real time E DSO 1022A DSO 1042AE sample rate DSO 1042A DSO 2042A DSO 1062A DSO 2062A DSO 1102A DSO 2102A DSO 1062B DSO 2062B DSO 1102B DSO 2102B DSO 1202B DSO 2202B Max equivalent DSO 1022A DSO 1042AE sample rate DSO 1042A DSO 2042A DSO 1062A DSO 2062A DSO 1102A DSO 2102A DSO 1062B DSO 2062B DSO 1102B DSO 2102B DSO 1202B DSO 2202B Memory Depth 4kpts Sample mode Normal Average Peak Detect Autoset Finds and displays all active channels sets edge trigger mode on lowest channel set vertical sensitivity on scope channels and time base to display one or five periods Requiires minimum voltage gt 10mVpp 0 5 duty and minimum frequency gt 50Hz 103 DSO 1000 DSO 2000 Series Oscilloscopes Display system Display 5 7 inch 145mm diagonal STN LCD 240 vertical by 320 horizontal pixels Colour DSO 1000 series Black and White DSO 2000 series 256 VGA colours Brightness Adjustable Simplified Chinese Traditional Chinese English Display area Menu ON 8 vertical by 10 horizontal divisions or 200 vertical by 250 horizontal pixels Menu OFF 8 vertical by 12 horizontal divisions or 200 vertical by 300 horizontal pixels Display mode Vector Dots OFF Infinite persistence Power and environmental requirments Non opera
18. GI E Gi Press Load softkey to start the update operation A Loading and then an updating progress bar will be displayed and indicate the process of the update operation Finally information Restart to complete updating will be displayed to remind you to restart the instrument If the software update is failed repeat the above procedures to update again Note The default file extension of the update file is upt Select the correct update file according to the model of the oscilloscope Error message Incompatible file will be displayed when the model is not identical Note The power supply of the oscilloscope can not be turned off during the updating process If this happens you will have to return the instrument to factory for service 76 DSO 1000 DSO 2000 Series Oscilloscopes m CURSOR Menu You can measure waveform data using cursors Cursors are horizontal and vertical markers that indicate X axis values usually time and Y axis usually voltage on a selected waveform source The position of the cursors can be moved by turning the entry knob HEU mn ei es z5 CURSOR key Cursor Menu key The oscilloscope provides three kinds of cursor measurement modes Manual Auto and Track re DSO 1000 DSO 2000 Series Oscilloscopes Manual Mode In the manual mode you can move the cursors to measure the voltage or time on the select souce waveform Press CURSOR Mode to display the CURSOR me
19. Leaptronix DSO 1000 DSO 2000 Series Oscilloscopes DSO 1000 DSO 2000 Series Oscilloscopes Warranty This We instrument product is warranted against defects in material and workmanship for a period of two years from the date of shipment Other items such as test fixtures test cables are warranted for 90 days from the date of shipment During the warranty period we will at our option either repair or replace products which prove to be defective For warranty service or repair this product must be returned to a service facility designated by We Purchaser shall prepay shipping charges to We and We shall pay for the return of the product to Buyer However Buyer shall pay all shipping charges duties taxes and any other charges for products returned to We from another country Limitation of Warranty This warranty does not apply to defects resulting from improper or inadequate maintenance and care by Buyer Buyer supplied software or interfacing unauthorized modification or misuse operation outside of the environmental specifications for the product or improper site preparation or maintenance No other warranty is expressed or implied We specially disclaims the implied warranties of merchantability and fitness for a particular use We s responsibility to repair or replace defective products is the sole and exclusive remedy provided to the customer for breach of this warranty We shall not be liable for any direct indirect specia
20. R Tyre D S e bere ea F ememeeee Press trigger control MENU key to display the TRIGGER menu then press Type softkey to select Edge trigger Pulse Width Trigger Pulse width triggering sets the oscilloscope to trigger on a positive or negative pulse of a specified width from 20ns to 10s 44 DSO 1000 DSO 2000 Series Oscilloscopes Press trigger control MENU key to display the TRIGGER menu then press Type softkey to select Pulse trigger TRIGGER EE PE Press trigger control MENU key to display the TRIGGER menu press Type softkey to select Pulse trigger and then press the More 1 2 softkey to display TRIGGER menu page 2 2 Pulse ode Trigger on CH2 m 45 DSO 1000 DSO 2000 Series Oscilloscopes TRIGGER Description ce a Note EXT 50Q trigger source option is available only for model DSO 1202B and DSO 2202B m ACQUIRE Menu Press the ACQUIRE menu key to show the ACQUIRE menu ACQUIRE key F MENU wr un wn IRE es Ze Da E LOAD KA DIE mn ACQUIRE Menu key 46 DSO 1000 DSO 2000 Series Oscilloscopes Normal acquisition mode yields the best display for most waveforms Average mode lets you average multiple triggers to reduce noise and increase resolution Peak Detect mode should be used to display narrow pulses that occur infrequently It s useful when looking for very narow pulses at very slow time base Equivalent sampling mode is useful to di
21. ate the bandwidth and sample rate of the current oscilloscope model 3 PRINT key Press this key to print the current waveform display to a USB printer or to a USB mass storage device 4 AUTO key When you press the AUTO key the oscilloscope will quickly determine which channels are active and it will turn these active channels on and scale them to display the input signals 5 Entry knob The Entry knob is used to select items from menus and input values Its function changes when different menu is displayed The curved arrow symbol 3 to the left of the Entry knob illuminates when the Entry knob is active and can be used to select a value 6 MENU keys When you press a menu key on the front panel the oscilloscope will display the corresponding menu on the right side of the screen The menu shows the options that are available when you press the softkeys directly to the right of the screen There are totally six menu keys available DSO 1000 DSO 2000 Series Oscilloscopes UTILITY Activate the system utility functions such as Language Setup I O Setup and Print Setup etc MEASURE Perform automated measurements of waveforms ACQUIRE The ACQUIRE menu lets you set the oscilloscope to acquire in Normal Peak Detect or Average mode and lets you select Real Time or Equivalent sampling SAVE LOAD You can save your current setup and waveform to the oscilloscope s internal memory or to a USB mass storage device and then retrieve th
22. ave Recall mode e Press Start Frame softkey and turn the entry knob to set the start frame e Press End Frame softkey and turn the entry knob to set the end frame e Press the Internal Storage softkey to Save or Load the recorded waveform from the internal memory 92 DSO 1000 DSO 2000 Series Oscilloscopes Cursor Measurements You can use the cursors to quickly take time and voltage measurements on a waveform You can use the cursors to measure the amplitude and frequency of a FFT waveform You can also use the cursors to measure the phase difference between two signals with the same frequency when X Y horizontal mode is selected Measure the time and volgate on normal waveform Perform the following steps to take time and frequency measurements Press the CURSOR key to display the CUROSR menu e Press Mode softkey to select the Manual mode e Press Type softkey to select the Time type e Press X1 X2 softkey or press the entry knob to select X1 cursor e Rotate the entry knob to move the X1 cursor e Press X1 43X2 softkey or press the entry knob to select X2 cursor e Rotate the entry knob to move the X2 cursor e AX and 1 AX are displayed in the softkey area AX is the time difference between X1 and X2 1 AX is the frequency between X1 and X2 Perform the following steps to take voltage measurement e Press the CURSOR key to display the CUROSR menu e Press Mode softkey to select the Manual mode e Press T
23. back Play back the record Mod 1 E Save Recall Save Recall from internal or external End Frame memory Si Exit Record function Internal Start Frame Set the start frame to playback storage e End Frame Set the end frame to playback External Gees e In Save Recall from internal memory External eee Save Recall from external memory Exit Record Function Press Mode softkey to select OFF option and return to the ACQUIRE menu Record the waveform Play back Play back the record Mode RECORD hades Gaye Recail oo from internal or external memory OFF Exit Record function 53 DSO 1000 DSO 2000 Series Oscilloscopes m UTILITY Menu Press the UTILITY menu key to show the UTILITY menu UTILITY key e ew SAVE SPL A UTILITY Menu key Press the UTILITY key to display the UTILITY menu page 1 2 F Frint Si System Setup Select SYETEM menu Setup Language English More z English English language system guag Setup DIE Simplified Chinese Language 54 DSO 1000 DSO 2000 Series Oscilloscopes Press the More 1 2 softkey to display the UTILITY menu page 2 2 RUN STOP Start self calibration Self Cal AUTO Exit self calibration More 2 2 a Select menu page 1 2 dote E UO Setup Press UTILITY HO Setup to display the I O SETUP menu seer Le lee o o ferem Note RS232C or GPIB will be available only when the optional expanded communication module is fixe
24. ble Test Source Pass Fail function off ou Source signal CH1 ae Source Operate Source signal CH2 fT WW a Start Pass Fail test 7 Operate Setup flask in Stop Pass Fail test Le Mne Setup Mask a Set up the regulations 1 2 More 1 2 po Display the menu 2 2 Press More 1 2 to display the PASS FAIL menu 2 2 Msg Display Pass Fail function on Msg Display Pass Fail function off PASS Output on Pass waveforms PASS fE Output and alarm on Pass waveforms Output FAIL Output on Fail waveforms FAIL E Output and alarm on Fail waveforms Stop sampling on output Stop on Output 209 Continue sampling on output More 2 2 a Display the menu page 1 2 od Note Pass Fail function is not available when X Y mode is selected 60 DSO 1000 DSO 2000 Series Oscilloscopes Press UTILITY Pass Fail Setup Mask to display the MASK menu 1 2 eerie o orae me PaSSt oa More 1 2 In Display the menu 2 2 will Press More 1 2 to display the MASK menu 2 2 Internal e Store the PASS FAIL tolerance mask Storage to internal memory Store the PASS FAIL tolerance mask External to external USB mass storage device Storage ae Return to the PASS FAIL menu pe Display the menu page 1 2 hore eos 61 DSO 1000 DSO 2000 Series Oscilloscopes Self Calibration If you want to maximize the measurement accuracy you can perform the self calibration Self calibration uses the internally generated signals to optimize cir
25. channel s waveform and its ground level icon directly back to the vertical center of the display Channel key CH1 CH2 MATH REF Press the channel key from the front panel to display the channel s menu and turns the display of the channel on or off The channel is displayed when the key is illuminated You must be viewing the menu for a channel before you can turn it off For example if CH1 and CH2 are both displayed and the CH2 menu is now displayed In order to turn CH1 off you should press the CH1 key first and CH1 menu will be displayed then press CH1 key again to turn off CH1 DSO 1000 DSO 2000 Series Oscilloscopes Vertical Scale Control CH1 CH2 Turn the large vertical scale knob below the channel key to set the scale factor for the channel The vertical scale knob changes the channel scale in a 1 2 5 step sequence The channel scale factor value is displayed in the bottom left portion of the display Press the large vertical scale knob to toggle between Fine and Coarse When fine is selected you can change the channel s vertical sensitivity in smaller resolution When coarse is selected the vertical scale knob changes the channel scale in a 1 2 5 step sequence 17 DSO 1000 DSO 2000 Series Oscilloscopes a CH1 CH2 Menu Press the channel key CH1 to display the channel s menu and turns the display of the channel on Channel Coupling Press the channel key CH1 then press the Coupling softkey to selec
26. ck that the power switch is on e Check that the display contrast is adjust properly e Contact our engineer if there is still no display If there is no waveform displayed e Check that the oscilloscope probe lead wires are securely inserted into the connector assembly and that the probe clips make good contact with the probe lead wires e Check that the probe clips are securely connected to points in the circuit under test and that the ground is connected e Check that the circuit under test is power on e Press the AUTO key again If the waveform display is not stable e Check that the trigger Source channel is actually the channel to which the trigger signal is connected e Check that the proper trigger type is selected Video type is only used to e trigger a Video signal Proper trigger type is essential to acquire a stable display e Try to use the HF Reject or LF Reject to reduce the noise of the trigger signal If the amplitude is not identical with the actual voltage e Check that the attenuation factor of the probe is identical with the attenuation factor set in the channel menu 98 DSO 1000 DSO 2000 Series Oscilloscopes 5 Specifications and Characteristics Specifications All specifications are warranted Specifications are valid after a 30 minutes warm up time and within 5 C of last Self Cal temperature Bandwidth DSO 1022A DSO 1042AE DSO 1042A DSO 2042A DSO 1062A DSO 1062B DSO 2062A DSO 2
27. cuits that affect channel scale offset and trigger parameters Disconnect all inputs and allow the oscilloscope to warm up at least 30 minutes before performing this sele calibration Press UTILITY Self Cal to display the self calibration page Press AUTO key to exit the Self Calibration press RUN key to start the self calibration Preas MUH key Ion eiser Praa AUTO kev i eal Self Calibration Note Warm up the oscilloscope at least 30 minutes before performing self calibration MEASURE Menu MEASURE key oo EN a gt MEASURE Menu key 62 DSO 1000 DSO 2000 Series Oscilloscopes Press MEASURE menu key to display the MEASURE menu Source Voltage poe ee the Voltage measurement Source Ome e Select the Time measurement menu Turn off the current measurement car IT e E Display all measurements Close all measurements Measure All Voltage Measurements Press MEASURE Voltage to display the VOLTAGE menu page 1 4 EE The Peak Peak value is the difference Peak Peak between maximum and minimum ec values SE Dee The Amplitude value is the difference Amplitude p between its High and Low values Max Max is the highest value in the waveform display Min Min is the lowest value in the waveform display More 1 4 pe Display menu page 2 4 63 DSO 1000 DSO 2000 Series Oscilloscopes Press More 1 4 softkey to display the VOLTAGE menu page 2 4 SE E High value is the mode most common H
28. d 55 DSO 1000 DSO 2000 Series Oscilloscopes Print Setup Press UTILITY Print Setup to display the PRINT menu Press Print to softkey to select File PRINT USB Printer Print to USB printer Print to Print to File BMP file format BMP File Type Connect an USB mass storage device to the USB host connector on the front panel Press Print to softkey to select File Press File Type softkey to select the file format you want Press the PRINT key to save the file to the USB mass storage device 56 DSO 1000 DSO 2000 Series Oscilloscopes Press UTILITY Print Setup to display the PRINT menu Press Print to softkey to select USB Printer Print to USB Printer Print to USB printer SB Printe Pantig Wem Palette l Print screen display as a color picture Color Palette Gray Scale Print screen display as a gray scale Ink Saver picture O ow pwen Ink Saver 5 Connect an USB Printer to the USB host connector on the rear panel Press Print to softkey to select USB Printer Press Palette softkey to select Color or Gray Scale Press Ink Saver softkey to turn on off ink saver Press the PRINT key to print the screen display to the USB printer Note For DSO 1000 series the Palette and Ink Saver functions are not available The DSO 1000 and DSO 2000 series only support USB printers that use PCL 3 printer command language Supported USB Printers are as follows HP DeskJet 5438 HP DeskJet 3820
29. doff Function Holdoff sets the amount of time that the oscilloscope will wait before rearming the trigger circuit You can use the holdoff function to stabilize the display of complex waveforms With the holdoff function you can synchronize triggers The oscilloscope will trigger on one edge of the waveform and ignore further edges until the holdoff time is up The oscilloscope will then rearm the trigger circuit to wait for the next edge trigger This allows the oscilloscope to trigger on a repeating pattern in a waveform Turn the Entry knob to increase or decrease the trigger hold off time shown in the Holdoff softkey To get a stable trigger on the pulse burst shown on the screen set the holdoff time to be slightly less than the period of the pulse burst Trigger Position 7 Trig RORZONTALC Haldaff Holdoff Time Holdoff Time Pulse Width Holdoff Function 38 DSO 1000 DSO 2000 Series Oscilloscopes m Trigger Controls The trigger controls determine when the oscilloscope starts to acquire and display the waveform When a trigger is found the oscilloscope will acquire sufficent data to display the waveform Trigger controls are functional when the oscilloscope works under Main or Delayed horizontal mode Trigger Controls 39 DSO 1000 DSO 2000 Series Oscilloscopes Trigger Control MENU key Press the trigger control MENU key to show the TRIGGER menu and then press the Type softkey to select Edge Pulse or
30. e a aan an mioh i a eee 1 CG E No 6 standard 89 DSO 1000 DSO 2000 Series Oscilloscopes m PASS FAIL Measurement The oscilloscope measures and compares the input signal with predefined Pass Fail thresholds If the input signal is within the thresholds PASS signal will be outputted If the input signal exceeds the thresholds FAIL signal will be outputted Perform following steps to make a PASS FAIL measurement e Press UTILITY key to display the UTILITY menu page 1 2 e Press More 1 2 softkey to display the UTILITY menu page 2 2 e Press Pass Fail softkey to display the PASS FAIL menu e Press Enable Test softkey to turn on the PASS FAIL measurement e Press Setup Mask softkey to display the MASK menu e Press X Mask softkey and then rotate the entry knob to setup the horizontal threshold e Press Y Mask softkey and then rotate the entry knob to setup the vertical threshold e Press Creat Mask softkey to update the thresholds e Press softkey to return to the PASS FAIL menu e Press More 1 2 softkey to display the PASS FAIL menu page 2 2 e Press Msg Display softkey to display the Pass Fail measurement results on the top left corner of the screen e Press the Output softkey to set how to output the measurement results e Press More 2 2 to display the PASS FAIL menu page 1 2 e Press the Operate softkey to start PASS FAIL measurement Pass FAIL Total 32ufs Enable Test i ex Sure CHI Operate
31. e setup or waveform later CURSOR Press the CURSOR key to activate the cursors that you can use for making custom voltage or time measurement on scope signals DISPLAY You can change the appearance of waveforms and the display screen select the color schemes and adjust the contrast etc 7 RUN control keys The RUN STOP key will illuminate in green when the oscilloscope is looking for a trigger When the trigger mode is set to Normal mode the display will not update until a trigger is found If the trigger mode is set to Auto mode the oscilloscope looks for a trigger and if no trigger is found it will be triggered automatically and the waveform of input signals will be showed immediately Press the RUN STOP key again to stop acquiring data and the RUN STOP key will illuminate in red Now you can pan across and zoom in on the acquired waveform Press SINGLE key to make a single acquisition of data The key will illuminate in yellow until the oscilloscope is triggered 8 Vertical controls You can use the vertical position control knob to move the waveforms up or down on the display There is one vertical position control knob for each DSO 1000 DSO 2000 Series Oscilloscopes channel You can press the channel key CH1 or CH2 to switch the channel on or off or access the channel s menu in the softkeys There is one channel on off key for each channel You can press the MATH key to access FFT Fast Fourier Transform multiply subtract
32. ecord to show the RECORD menu RECORD Mode Source Interval Softkey Options Record Play Back Save Recall Pass Fail Out 50 memory DSO 1000 DSO 2000 Series Oscilloscopes Play Back the Record Press ACQUIRE Record to show the RECORD menu Press Mode softkey to select Play Back function Mode Record Record the waveform Play back are Play Back Play back the record Peale Mode Save Recall SE from internal or external y Play Mlode Exit Record function Current Frame Operate l Loop play More Play Mode Geer S k 8 Select a specific frame More 1 2 Select menu page 2 2 51 DSO 1000 DSO 2000 Series Oscilloscopes Press ACQUIRE Record to show the RECORD menu Press Mode softkey to select Play Back function Press Start Frame Set the start frame to playback End Frame Set the end frame to playback Msg Display Record message off More 2 2 Select menu page 1 2 Record message on More 1 2 softkey to show RECORD menu page 2 2 Note The interval time must be greater than 1ms signal period sampling interval time frame storage time Note Frame length is the waveform storage depth Maximum 1000 frames of waveform can be stored 52 DSO 1000 DSO 2000 Series Oscilloscopes Save Recall the Record Press ACQUIRE Record to show the RECORD menu Press Mode softkey to select Save Recall function RECORD Mode Softkey Description Record the waveform Play
33. een hore Fa For example we select CH1 as the source for FFT select Rectangular window set vertical scale to dBV RMS and then we will get the FFT waveform like this We can also measure the amplitude and frequency of the corresponding point with the manual cursors FFT Operate Source CH Window Rectangular Scale More FFT Status pample Rate FFT Spectrum Analysis 28 DSO 1000 DSO 2000 Series Oscilloscopes m REF Function You might make measurement on a known good system save the result to the internal memory or to an USB mass storage device then make the same measurement on a test system and recall the reference waveform to see the difference Press REF channel key to turn on the REF menu page 1 2 d Source CHT Save CH1 as reference CH2 Save CH2 as reference REF vertical scale control ECKER Press softkey More 1 2 to display REF menu page 2 2 Internal Storage INTERNAL Save the reference waveform a menu to the internal memory External Storage EXTERNAL Save the reference waveform i menu to the USB mass storage FE im device More 2 2 ee Select page 1 2 29 DSO 1000 DSO 2000 Series Oscilloscopes Press REF channel key to turn on the REF menu page 1 2 and load the latest saved reference waveform at the same time from the internal memory You can use the horizontal position and scale control knob to change the time base of the reference waveform Press OH
34. er Press Delect Character to delete the current selected character Press Enter Character to enter the selected character and go to the next character position Press SAVE LOAD External Storage New New Foler to display the New Folder menu 73 DSO 1000 DSO 2000 Series Oscilloscopes Enter the selected character and go to Enter Character poe the next character position Enter Delete Delete the selected character Character Press SAVE LOAD External Storage Rename to display the Rename menu Enter the selected character and go to Enter Character poe the next character position Enter Delete i ILE Delete the selected character Character o f e Rename the selected file or folder Delete Character DI o o Return to the EXTERNAL menu OK KS 74 DSO 1000 DSO 2000 Series Oscilloscopes Press SAVE LOAD External Storage Delete to display the Delete menu OK Confirm to delete the selected file or folder Return to the EXTERNAL menu 75 DSO 1000 DSO 2000 Series Oscilloscopes Software Update Press SAVE LOAD External Storage to display the EXTERNAL menu Turn the entry knob to select the correct update file File 2042A UPT is selected as shown in the following figure Ubisk Es TERNAL erlech m m ve a Pe Lc e Tol l l at Lat al al x ee a A hi GiGi Gi mi Gi Se dee e SI LS La Ll kx on OH OH Gi at eh um 1 RI RI SE e bg RE EK RI e e UI UI e e F e G
35. ernal trigger input BNC connector DSO 1000 DSO 2000 Series Oscilloscopes 13 Channel input BNC This is the channel s input BNC connector Connect the oscilloscope probe or BNC cable to the BNC Connector 14 MENU On Off key Press this key to toggle menu display on and off 15 Softkeys Five softkeys are used to select control and parameter functions Each softkey has a softkey label along its left side 16 Power switch Press once to turn power on press again to turn power off 17 LCD display The 320 240 matrix 5 7 inch LCD displays captured channel waveforms setup information measurement results and softkeys for setting up parameters 18 USB host Connector USB host connector can be connected to an USB mass storage device or an USB printer m Naming regulation Take DSO 1042A as an example to describe the naming regulation of the DSO 1000 DSO 2000 Series Oscilloscopes DSO 1 04 42A Economic Edition A Sample rate 400 of 200Msps EB Sample rate 1Gsps Number of channels Bandwidth 02 25MHz 04 40MHz 06 60MHz 10 100MHz 20 200MHz 1 Black and white LCD Color LCD Digital Storage Oscilloscope 10 DSO 1000 DSO 2000 Series Oscilloscopes Rear panel 1 Line input receptacle AC power cord receptacle Attach to an AC power line with safety ground 2 USB device connectors USB device connector can be connected to a computer 3 Extended port An optional extended module can be connected to
36. f the acquisition was initiated by RUN STOP the process repeats If the acquisition was initiated by SINGLE then the acquisition stops In either Auto or Normal mode the trigger may be missed This is because the oscilloscope will not recognize a trigger event until the pre trigger buffer is full Video Trigger Choose video triggering to trigger on the odd fields even fields or on all the lines of a NTSC PAL SECAM video signal 41 DSO 1000 DSO 2000 Series Oscilloscopes TRIGGER Tre rr Se eme puse eegen SOUrce CHT ftiggeronCHt O ere ogoron on ge ulse H1 i H2 i i Standard e Lines i ne i ES Kess Press trigger control MENU key to display the TRIGGER menu then press Type softkey to select Video trigger Even Field Trigger on even fields PALISELA Ed P C C EX O l Li 42 DSO 1000 DSO 2000 Series Oscilloscopes Following figures show the video waveforms triggered on odd fields and specific line 6 egen a Hun T i Dy i E IIIIIIIIIIIIIIIIIIIIIIIuIIIUIUeIIIIIIIIIIIIIIIIIII a mm aan eee rE Trigger on specific line 6 Note The trigger level control is unavailable when Video type is selected Edge Trigger Use the Edge triggering to trigger on the rising or falling edge of the input signal at the trigger threshold 43 DSO 1000 DSO 2000 Series Oscilloscopes TRIGGE
37. factor for the channel The channel scale factor value is displayed in the bottom left portion of the display Press CH1 More 1 2 Volts Scale to select Coarse or Fine adjustment You can also press the large vertical scale knob to toggle between Fine and Coarse When Coarse is selected the vertical scale knob changes the channel scale in a 1 2 5 step sequence When Fine is selected the vertical scale knob changes the channel scale in a smaller resolution Fine Value Fine Vertical Scale 23 DSO 1000 DSO 2000 Series Oscilloscopes Vertical Invert Press CH1 More 1 2 Invert to set Invert on or off When Invert is turned on the voltage values of the displayed waveform are inverted Invert affects how a channel is displayed but does not affect triggering If the oscilloscope is set to trigger on a rising edge it remains set to trigger on a same edge after the channel is inverted Inverting a channel will also change the result of any function selected in the MATH menu or any measurement Vertical Invert off d TrTTTTTTTIitiiidie SUE CH1 16 Gril Vertical Invert on 24 DSO 1000 DSO 2000 Series Oscilloscopes a MATH Functions Dual Waveform Calculation Press MATH channel key to turn on the MATH menu page1 2 MATH SOUrCE A a el FT res FFT mara Source E Gelz Press softkey More 1 2 to display MATH menu page 2 2 Display Mode SS Display Mode Split Screen Split the display
38. ff Press the channel key CH1 then press the BW Limit softkey to turn the bandwidth limit on for the selected channel 1 BW Limit on mode blocks the high frequency components over 20MHz SIN BW Limit on 20 DSO 1000 DSO 2000 Series Oscilloscopes Probe Attenuation Setting Probes are available with various attenuation factors which affect the vertical scale of the signal You can manually select the factor that matches the attenuation of your probe For example to match a probe set to 10X connected to CH1 press the channel key CH1 and then press the Probe softkey and select 10X Press the channel key CH1 then press the Probe softkey and select 1X when a probe with 1 1 attenuation factor is connected to CH1 POEL IL a Scale Or a e Set Probe Attenuation Factor to 1X 21 DSO 1000 DSO 2000 Series Oscilloscopes Digital Filter Press the channel key CH1 then press the Digital Filter softkey to display the FILTER CH1 menu Four kinds of filter types are available e are F Low pass filter e t Ff High pass filter e LC Band pass filter eh os Band block filter Press the Upper Limit or Lower Limit softkey and then adjust the Entry knob 4 to set the high and low frequency range for the filter gt Digital Filter UN Filter Status Digital Filter is on 22 DSO 1000 DSO 2000 Series Oscilloscopes Vertical Scale Turn the large vertical scale knob below the channel key to set the scale
39. ically sets vertical horizontal and trigger controls You can adjust any of these controls manually if you need to optimize the display of the waveform When you are using both CH1 and CH2 channels the Autoset function sets the vertical controls for each channel and uses the CH1 channel to set the horizontal and trigger controls The oscilloscope can take automatic measurements of most displayed signals Perform following steps to measure signal amplitude and frequency e Press the MEASURE key to display the MEASURE menu e Press the Voltage softkey to display the VOLTAGE menu e Press the Amplitude softkey to measure the Amplitude The amplitude value will be displayed at the bottom of the screen e Press MEASURE key again to display the MEASURE menu e Press Time softkey to display the TIME menu e Press the Frequency softkey to measure the frequency The frequency value will be displayed at the bottom of the screen to the right of the voltage value 84 DSO 1000 DSO 2000 Series Oscilloscopes Capture a Single Shot Signal Digital Storage Oscilloscope can easily be used to capture the single shot or unrepeatable signal Perform following steps to capture a single shot signal e Connect the channel 1 probe to the unknown signal e Press the trigger MENU key to display the TRIGGER menu e Press the Source softkey to select CH1 e Press the Mode softkey to select the Auto trigger mode e Adjust the vertical and horizontal co
40. igh value of the upper part of the D ee ity EE Low value is the mode most common value of the lower part of the ae AN t Average value is the sum of the Average samples divided by the number of samples over the entire waveform SS RMS value is the true Root Mean RMS Square voltage over the entire eg waveform Mlore 2rd More 2 4 Ooo Display menu page 3 4 Press More 2 4 e to es the VOLTAGE menu page 3 4 Softkey Options Description Wl z 4 Cycle Avg value is the sum of the Sen Avg Cycle Avg samples divided by the number of samples over one period Ge Cycle RMS value is the true Root Cee RMS pe Mean Square voltage over one period Overshoot value is distortion that follows a major edge transition Overshoot expressed as a percentage of amplitude S Preshoot value is distortion that ear precedes a major edge transition Preshoot expressed as a percentage of a Ud amplitude 2 More 3 4 pe Display menu page 4 4 Press More 3 4 softkey to display the VOLTAGE menu page 4 4 More 4 4 pe Display menu page 1 4 9 wl dd DSO 1000 DSO 2000 Series Oscilloscopes Time Measurements Press MEASURE Time to display the TIME menu page 1 5 vt Eeer Frequency is defined as 1 period of Frequency eee the first cycle Period is the time period of the first O complete waveform cycle Fall Time Fall Time Fall Time eae hore Fall Time is the time that the first negative going edge takes
41. isplayd when you try to save a file to an external mass storage device which has not been installed Save error This message will be displayed when you fail to save a file to the internal or external memory Empty storage memory This message will be displayed when you try to load a file which does not exist from the internal memory Unrecognized file This message will be displayed when you try to load a file which can not be recognized by the oscilloscope from the external memory Update failed This message will be displayed when software update is failed No record data This message will be displayed when you try to save a record file without record data Record is failed This message will be displayed when waveform record is failed Fatory setup is recalled This message will be displayed when the default factory configuration is recalled No signal is found This message will be displayed when you press the AUTO key without any signal connected to each channel No printer is found This message will be displayed when you try to print the screen to a printer which has not been connected 96 DSO 1000 DSO 2000 Series Oscilloscopes Invalid data This message will be displayed when you try to save a CSV file without any valid CSV data Load finished This message will be displayed when a file has been successfully loaded from the internal or external memory Save finished This message will be displayed when a file ha
42. l incidental or consequential damages whether based on contract tort or any other legal theory DSO 1000 DSO 2000 Series Oscilloscopes Safety Precautions The following safety precautions must be observed to avoid injury and prevent damage to this product or any products connected to it To avoid potential hazards read the operating information carefully before using the product and use this product only as specified NOTE 1 This product complies with INSTALLATION CATEGORY as well as POLLUTION DEGREE 2 This product is an INDOOR USE product e Ground the Instrument Before operating the instrument make sure the instrument chassis is grounded with the 3 pole power cable e Don t operate in an explosive atmosphere To prevent explosion or file don t operate the instrument in the presence of inflammable gases or fumes e Use the proper fuse Replace the broken fuse with the same type and rating for continuous protection against fire hazard e Keep away from live circuits Don t remove the instrument covers when operating the instrument Component replacement and internal adjustment can only be done by qualified personnel Don t replace components with the power cable connected Dangerous voltage may remain even after the power cable has been disconnected Always remove the power cable from the instrument and discharge circuits before touching them DSO 1000 DSO 2000 Series Oscilloscopes Contents Contents d
43. lect the Manual mode e Press Source softkey to select FFT e Press Type softkey to select the Voltage type e Press Y1 2 softkey or press the entry knob to select Y1 cursor e Rotate the entry knob to move the Y1 cursor e Press JY1 4Y2 softkey or press the entry knob to select Y2 cursor e Rotate the entry knob to move the Y2 cursor e AY displayed in the softkey area is the voltage difference between Y1 and Y2 Measure the Phase Difference Between Two Signals of the Same Frequency under X Y Display Mode e Connect a sine wave signal to channel 1 and a sine wave signal of the same frequency but out of phase to channel 2 e Press horizontal MENU key to display the Horizontal menu e Press X Y softkey to select X Y display mode e Center the signal on the display with the vertical control knob of each channel e Use the vertical scale control knob of each channel to expand the signal for convenient view e Press the CURSOR key to display the CUROSR menu e Press Mode softkey to select the Manual mode e Press Source softkey to select CH2 94 DSO 1000 DSO 2000 Series Oscilloscopes e Press Type softkey to select the Voltage type e Press 3Y1 4 2 softkey or press the entry knob to select Y1 cursor e Rotate the entry knob 3 to move the Y1 cursor to the top of the signal e Pressi Y1 43 Y2 softkey or press the entry knob to select Y2 cursor e Rotate the entry knob 3 to move the Y2 cursor to the bot
44. mal display that is expanded is marked on each end with a vertical shadow area The unshadowed area shows what portion of the normal waveform is expanded in the lower half To change the time base for the delayed window turn the horizontal scale knob As you turn the knob the time base for the delayed window is displayed just above the main time base To change the time base for the normal window press the Main softkey then turn the horizontal scale control knob Connect a triangle signal source to CH1 press the horizontal MENU key and then press the Delayed softkey to enter the Delayed mode You can also press the horizontal scale control knob to toggel between Main and Delayed mode directly Delayed Sweep Window Ar belared Sweep Time Bs Delayed Horizontal Mode 35 DSO 1000 DSO 2000 Series Oscilloscopes X Y Horizontal Mode X Y mode changes the display from a volts versus time display to a volts versus volts display The time base is turned off CH1 amplitude is plotted on the X axis and CH2 amplitude is plotted on the Y axis You can use X Y mode to compare frequency and phase relationships between two signals X Y mode can also be used with transducers to display strain versus displacement flow versus pressure volts versus current or voltage versus frequency In order to get a better view of the waveform proper vertical scale should be selected before enter the X Y mode Use X Y mode to compare two signal with
45. ntrols to observe the the signal roughly And find out the right Trigger Type and Trigger mode e Press the Type softkey from the TRIGGER menu page 1 2 to select Pulse trigger type e Press More 1 2 sofkey to display the TRIGGER menu page 2 2 e Press Mode softkey to select Normal Trigger mode e Press More 2 2 sofkey to display the TRIGGER menu page 1 2 e Press Pulse Mode softkey to select TU positive less than e Rotate the entry knob 43 to set up the pulse width e Press the SINGLE key to start the acquisition system and search for the trigger condition The SINGLE key is illuminated in yellow e When trigger condition is met the captured waveform is displayed the SINGLE key is extinguished and the RUN STOP key is illuminated in red 85 DSO 1000 DSO 2000 Series Oscilloscopes m Reduce the Random Noise on a Signal If the test signal is noisy you can set up the oscilloscope to reduce the noise on the displayed waveform First you stablize the displayed waveform by removing the noise from the trigger path Second you reduce the noise on the displayed waveform e Connect a signal to the oscilloscope Press AUTO key to display the signal quickly ACOUIRE Kode sampling ERESEN Record E 86 DSO 1000 DSO 2000 Series Oscilloscopes e Press the Trigger MENU key to display the TRIGGER menu e Press Type softkey to select Edge trigger type e Press Coupling to select HF Reject or LF Reject coupling mode to
46. nu and select the Manual mode Press the Type softkey to select Voltage measurement Mode Manual Source Measure CH1 SOUrCe MATH Measure MATH Voltage Measure voltage value Type Owi Press this softkey to active Y1 Y2 or 4 both Y1 and Y2 cursors for adjustment t3 Y2 Current voltage values for Y1 and Y2 l are displayed in the softkey AY The difference value between Y1 and Y2 cursors Press CURSOR Mode to display the CURSOR menu and select the Manual mode Press the Type softkey to select Time measurement 78 DSO 1000 DSO 2000 Series Oscilloscopes lipo SOU Ce Voltage Measure voltage value Type Press this softkey to select X1 X2 or both X1 and X2 cursors for adjustment Current time values for X1 and X2 are displayed in the softkey AX is the time difference value between X1 and X2 cursors 1 AX is the frequency between X1 and X2 TRACK Mode Two cross hair cursors are displayed on the screen in the track mode The cross hair cursors track the waveform automactically You can move the cross hair cursors horizontally by turning the entry knob The X Y values of each cross hair cursor are displayed in the softkey area or on the top right cornor when menu is off 79 DSO 1000 DSO 2000 Series Oscilloscopes Press CURSOR Mode to display the CURSOR menu and select the Track mode Mlode Track Cousor B Track CH1 with Cursor A Cursor A Track CH2 with Cursor A Turn off Cursor A Track CH1 wi
47. oe the display to current waveform o IT IRetumtothe SAVER OAD menu Press SAVE LOAD Internal Storage Storage type to display the INTERNAL menu and select Setups storage type Storage type avetorms Waveform file format Storage type e Setup file format Wavexx Select a waveform file from Wave01 to mm dd yy Wave10 Date and time of the current hh mm file is displayed Save the display to current waveform file Ce Return to the SAVE LOAD menu 71 DSO 1000 DSO 2000 Series Oscilloscopes External Storage Press SAVE LOAD External Storage to display the EXTERNAL menu New Create a new file or folder in the external memory Rename Rename the current file or folder Dee o o Delete the current file or folder Note The External Storage menu and operations will not be aveilabel until the external USB mass storage devide is installed Press SAVE LOAD External Storage New to display the New menu amer Eemere 72 DSO 1000 DSO 2000 Series Oscilloscopes Press SAVE LOAD External Storage New New File to display the New File menu New File Jave as Setups Enter Character Enter the selected character and go to Enter Character the next character position Delete ea e Delete the selected character Note Maximum length of a file name is 8 characters Press Enter Character to select a character position in the file name Turn the entry knob to select a charact
48. of the display window and the new parameter will be displayed on the bottom right of the display screen Note will be displayed when a parameter can not be measured correctly 68 DSO 1000 DSO 2000 Series Oscilloscopes Measurement definitions The following figure shows the voltage measurement points a le High Peak Peck Amplitude 5 line Lwe EA a The following figure shows the time measurement points higelin Fal lTime I I i d bag a _ 1 V Jo i U I j i f i i k HIN LI if Ly d d l IL j ij i le i i k ii i 1 e i j i W i Le cz i dh b or idth Pidh Priod 69 DSO 1000 DSO 2000 Series Oscilloscopes SAVE LOAD Menu P E mum mome vee Ei SAVE LOAD key SAVE LOAD MENU key Press SAVE LOAD key to display the SAVE LOAD menu oh MV T Tel Internal Since Internal Storage pe Display the INTERNAL menu External Sais poe Display the EXTERNAL menu storage S Set the instrument to the factory Factory 70 DSO 1000 DSO 2000 Series Oscilloscopes Internal Storage Press SAVE LOAD Internal Storage Storage type to display the INTERNAL menu and select Waveforms storage type Storage type avetorms Waveform file format Storage type Ss Setup file format Wavexx Select a waveform file from Wave01 to mm dd yy Wave10 Date and time of the current hh mm file is displayed save o o a
49. ope When the oscilloscope is stopped you can use the horizontal controls to pan and zoom the waveform When the oscilloscope is running in Main mode use the horizontal scale knob to change horizontal scale factor and use the horizontal position knob to set the delay time When the oscilloscope is stopped use the horizontal control knobs to pan and zoom the waveform The time base second division value is displayed at the bottom of the screen Press the horizontal MENU key and then press the Main softkey to select the main horizontal mode re Y y 2 L SCH Main e A RS Roll 5 i Miore Main Horizontal Mode 1 The square brackets show the location of current display window within the record 2 Trigger position within the record 3 Trigger position on the current waveform display window 4 Readout shows the delay time or the trigger location within the record relative to the time reference point V 34 DSO 1000 DSO 2000 Series Oscilloscopes Delayed Horizontal Mode Delayed horizontal mode is an expanded version of main mode When Delayed mode is selected the display divides in half The top half of the display shows the normal waveform and bottom half displays the delayed waveform Delayed waveform is a magnified portion of the normal waveform You can use delayed waveform to locate and horizontally expand part of the normal waveform for a more detailed analysis of signals The area of the nor
50. provide RS232C GPIB and PASS FAIL OUT interfaces 11 DSO 1000 DSO 2000 Series Oscilloscopes m Interpreting the display The oscilloscope display contains channel acquisitions setup information measurement results and softkeys for setting up parameter HI aAKH2 coupling DW Limit OFF Probe ze e Digital Filter 14 15 12 11 1 Readout shows the real time clock 2 The USB icon displays when a USB device is connected 3 Acquisition status readout shows RUN STOP WAIT or ROLL 4 The square brackets show the location of current display window within the record The record line color corresponds to the selected waveform color 5 Trigger position icon shows the trigger location within the record 6 Trigger position icon shows the trigger location in the current displayed waveforms DSO 1000 DSO 2000 Series Oscilloscopes 7 Readout shows the frequency of the trigger signal 8 Trigger status readout shows trigger status 9 Softkeys which allow you to set up additional parameters for front panel keys 10 The display area contains the waveform acquisitions channel identifiers trigger and ground level indicators Each channel s information appears in a different color 11 Readout shows the delay setting or the trigger location within the record trigger source trigger type and trigger level 12 Horizontal readout shows the Main or Delayed time base 13 Channel readouts show the scale factor coupling
51. r a trigger after the pre trigger buffer is filled and continues to flow data through this buffer while it searches for the trigger While searching for the trigger the oscilloscope overflows the pre 40 DSO 1000 DSO 2000 Series Oscilloscopes trigger buffer the first data put into the buffer is the first pushed out When a trigger is found the pre trigger buffer will contain the events that occurred just before the trigger If no trigger is found the oscilloscope generates a trigger and displays the data as though a trigger had occurred In this case the background of the Auto indicator at the top of the display will flash indicating that the oscilloscope is force triggered When you press the SINGLE key the oscilloscope will fill the pre trigger buffer and continue to flow data through the pre trigger buffer until the Auto trigger overrides the searching and forces a trigger At the end of the trace the oscilloscope will stop and display the results Normal mode Use Normal trigger mode for low repetitive rate signals or when Auto trigger is not required In Normal mode the oscilloscope must fill the pre trigger buffer with data before it will begin searching for a trigger event While searching for the trigger the oscilloscope overflows the pre trigger buffer the first data put into the buffer is the first pushed out When the trigger event is found the oscilloscope will fill the post trigger buffer and display the results I
52. reduce the noise from the trigger channel e Press the ACQUIRE key to display the ACQUIRE menu e Press the Mode softkey to select Average mode e Rotate the entry knob 4J to set the number of averages that best eliminates the noise from the displayed waveform ACO RE Mode sampling Record k 87 DSO 1000 DSO 2000 Series Oscilloscopes m Trigger on a Video Signal Video trigger can be used to capture the standard video signals The trigger circuit detects the vertical and horizontal interval of the waveform and produces triggers based on the Video trigger setting you have selected Trigger on Odd or Even Fields of the Video Signal e Press the Trigger MENU key to display the TRIGGER menu e Press the Type softkey to select the Video trigger mode e Press Source softkey to select CH1 e Press Polarity softkey to select negative polarity e Press Sync softkey to select Odd Field or Even Field TRIGGER Type S Polarity ie ee ee ee ee IIIIIIIEIIIIIIIIIIIIIIIIIII TEET ee ai standard 88 DSO 1000 DSO 2000 Series Oscilloscopes Trigger on a Specific Line or All Lines of the Video Signal e Press the Trigger MENU key to display the TRIGGER menu e Press the Type softkey to select the Video trigger mode e Press Source softkey to select CH1 e Press Polarity softkey to select negative polarity e Press Sync softkey to select Line or All Lines TRIGGER Type Polarity E PEP u E a a a a a a
53. s been successfully saved to the internal or external memory Incompatible file This message will be displayed when the update software is not identical with the model type Load error This message will be displayed when you fail to load a file from the internal or external memory Restart to complete updating This message will be displayed to let you restart the oscilloscope when the software update is successfully finished USB device is installed This message will be displayed when a USB device is connected and recognized by the oscilloscope USB device is removed This message will be displayed when a USB device is removed from the oscilloscope Print finished This message will be displayed when the current waveform is printed successfully Print failed This message will be displayed when the current waveform is not printed succesfully Unsupported printer This message wil be displayed when an unsupported pinter is connected USB host error This message will be displayed when the USB host control circuit is not working normally Setup finished This message will be displayed when the Date amp Time is set successfully Setup failed This message will be displayed when the Date amp Time is not set successfully 97 DSO 1000 DSO 2000 Series Oscilloscopes m Gerneral Problems If there is no display on the screen e Check that the power cord is connected to the oscilloscope and to a live power source e Che
54. same frequency and different phase Connect the two signal to CH1 and CH2 respectively Press horizontal MENU key and then X Y softkey to select X Y mode HORIZONTAL hain Fe III Prriektrirrrrinr ryt Kore D Bl X Y Horizontal Mode 36 DSO 1000 DSO 2000 Series Oscilloscopes Roll Horizontal Mode Roll mode causes the waveform to move slowly across the screen from right to left It only operates on time base settings of 500 ms div or slower If the current time base setting is faster than the 500 ms div limit it will be set to 500ms div when Roll mode is selected In Roll mode there is no trigger The fixed reference point on the screen is the right edge of the screen and refers to the current moment in time Events that have occurred are scrolled to the left of the reference point Since there is no trigger no pre trigger information is available If you would like to pause the display in Roll mode press the SINGLE key To clear the display and restart an acquisition in Roll mode press the SINGLE key again Use Roll mode on low frequency waveforms to yield a display much like a strip chart recorder It allows the waveform to roll across the display Press the horizontal MENU key and then press the Roll softkey to select the Roll mode The waveform moves slowly across the screen from right to left The fastest time base is 500 ms Roll Horizontal Mode 37 DSO 1000 DSO 2000 Series Oscilloscopes Hol
55. splay high frequency repetitive signals Real Time sampling mode is useful to capture the single shot signals Press Mode softkey to select Normal mode Mode Normal Normal acquisition Pormal Average acquisition Peak Detect Peak detect acquisition sampling i Equivalent Equivalent sampling Equivalent Real time sampling ff Select Record menu Record 47 DSO 1000 DSO 2000 Series Oscilloscopes Press Mode softkey to select Average mode Mode Mode Normal Normal acquisition Average ecord Averages Average acquisition Peak Detect Peak detect acquisition sampling i Averages IN Set the average number to 2 4 8 16 Equivalent 32 64 128 or 256 Sampling Equivalent Equivalent sampling Real time sampling k 16 Press Mode softkey to select Peak Detect mode Mode M N l N l isition Peak detect acquisition Sampling Eoee Sampling Equivalent Equivalent sampling Real time sampling Le 48 DSO 1000 DSO 2000 Series Oscilloscopes Connect a sine signal to the CH1 channel press ACQUIRE Mode to select Average mode Turn the Entry knob to set the number of averages to 16 The following two figures show the difference between Normal acquisition and Average acquisition RNA e a Random noise on the displayed waveform I E CHITWAN 16 Averages used to reduce random noise 49 DSO 1000 DSO 2000 Series Oscilloscopes Record the Wavefrom Press ACQUIRE R
56. t AC coupling mode AC coupling places a high pass filter in series with the input waveform that blocks the DC component of the input signal AC coupling is useful for viewing waveforms with large DC offsets AL Coupling Ba E a F Aa AC Coupling DSO 1000 DSO 2000 Series Oscilloscopes Press the channel key CH1 then press the Coupling softkey to select DC coupling mode DC coupling passes both AC and DC components of the input signal DC coupling is useful for viewing low frequency waveforms that do not have large DC offsets IK Coupling a Laug DC Coupling Press the channel key CH1 then press the Coupling softkey to select GND coupling mode GND mode blocks both AC and DC components of the input signal and connect the input to the ground level ma ER D pe ti i GND Coupling 19 DSO 1000 DSO 2000 Series Oscilloscopes BW Limit When BW Limit is on the maximum bandwidth for the channel is approximately 20MHz For waveforms with frequencies below this turning bandwidth limit on removes unwanted high frequency noise from the waveform The bandwidth limit also limits the trigger signal path of any channel that has BW Limit turned on Press the channel key CH1 then press the BW Limit softkey to turn the bandwidth limit off for the selected channel 1 BW Limit off mode passes both the high and low frequency components cer H Bandwidth l U L m el el T We t a Fe k L E i T Lit BW Limit o
57. th Cursor B Cursor B Track CH2 with Cursor B Turn off Cursor B Press this softkey to select Cursor A for adjustment Current X Y axis values for tacking point of Cursor A are displayed in the softkey Press this softkey to select Cursor B for adjustment Current X Y axis values for tacking point of Cursor B are displayed in the softkey Cousor 4 AUTO Mode The Auto mode cursors are displayed only when auto measurement function is enabled The oscilloscope displays the auto cursors corresponding to the latest auto measurement parameter No Auto cursors will be displayed when no auto measurement parameter is selected 80 DSO 1000 DSO 2000 Series Oscilloscopes m DISPLAY Menu MENU umin MEASURE Am save oam mn DISPLAY key Display Menu key 81 DSO 1000 DSO 2000 Series Oscilloscopes Press DISPLAY menu key to display the DISPLAY menu page 1 2 Type Vector mode fills the space between Vector SE sample points in the Vector Type waveform Tri n ee only displays the sample SE SSES EE Display both grids and axes Contrast Turn off the axes MA Grid Ja E o Turn off the grids Color Setup EE KREE Press More 1 2 softkey to display the DISPLAY menu page 2 2 sone d Sis Heel o fa scope updates the waveform o fata erasing the previous sample Persist points SC Turn off the persistence function EE Clear Press the softkey to erase the previous G re Persistence sample poin
58. ting temperature 20 C to 55 C Humidity Maximum relative humidity 80 for temperatures up to 31 C decreasing linearly to 50 relative humidity at 40 C Operating altitude lt 2000m Non operating altitude lt 15000m 104 DSO 1000 DSO 2000 Series Oscilloscopes Physical size and GE aterm ee Net weight Approximately 3 6kg Calibration interval Recommended calibration interval 105
59. tom of the signal e AY displayed in the softkey area is the voltage difference D or 2B between Y1 and Y2 e Press 3Y1 4 Y2 softkey or press the entry knob to select Y1 cursor e Rotate the entry knob to move the Y1 cursor to the upper intersection of the signal and Y axis e Press 3Y1 4 Y2 softkey or press the entry knob to select Y2 cursor e Rotate the entry knob 3 to move the Y2 cursor to the lower intersection of the signal and Y axis e AY displayed in the softkey area is the voltage difference C or 2A between Y1 and Y2 e Calculate the phase difference using the formula below _A tarcsin arcsin A D d B 95 DSO 1000 DSO 2000 Series Oscilloscopes 4 System Message and General Problems m System Message Function is not available The control knob key or softkey is not available under a specific operating condition This message will be displayed when you try to operate these knob key or softkey The control is at its limit This message will be displayed when the maximum or minimum value is reached by turning the Entry knob Vertical Control knobs Horizontal Control knobs or Trigger Level knob Total is at its maximun This message will be displayed when the maximum value of Total count for PASS FAIL is reached Record is completed This message will be displayed when the number of waveforms set in the End Frame softkey have been recorded No external memory This message will be d
60. ts Monochrome Select the monochrome display More 2 2 pe Display menu page 1 2 hlore Z7 82 DSO 1000 DSO 2000 Series Oscilloscopes m RUN Controls RUN CONTROL SINGLE RUN gt TOP Run controls Press the SINGLE key to execute a single shot acquisition The key will illuminate in yellow until the oscilloscope is triggered Press the RUN STOP key to make the oscilloscope start looking for a trigger The RUN STOP key will illuminate in green When the trigger mode is set to Normal mode the display will not update until a trigger is found If the trigger mode is set to Auto mode the oscilloscope looks for a trigger and if no trigger is found it will be triggered automatically and the waveform of input signals will be showed immediately Press the RUN STOP key again to stop acquiring data and the RUN STOP key will illuminate in red Now you can pan across and zoom in on the acquired waveform 83 DSO 1000 DSO 2000 Series Oscilloscopes 3 Application Examples This section presents 7 typical application examples These simplified examples highlight the features of the oscilloscope and give you ideas of how to solve your own test problems a Make Simple Measurements You need to measure the amplitude and frequency of an unknown signal on CH1 Perform following steps to quickly display the signal e Connect the channel 1 probe to the unknown signal e Press the AUTO key The oscilloscope automat
61. ype softkey to select the Voltage type e Press JY1 4Y2 softkey or press the entry knob to select Y1 cursor e Rotate the entry knob to move the Y1 cursor e Press Y1 43Y2 softkey or press the entry knob to select Y2 cursor e Rotate the entry knob 3 to move the Y2 cursor e AY displayed in the softkey area is the voltage difference between Y1 and Y2 Measure the frequency and amplitude on FFT waveform e Perform the following steps to take frequency measurement e Press the MATH key to display the Math menu e Press the Operate softkey to select FFT and display the FFT menu e Press the CURSOR key to display the CUROSR menu e Press Mode softkey to select the Manual mode 93 DSO 1000 DSO 2000 Series Oscilloscopes e Press Source softkey to select FFT e Press Type softkey to select the Time type e Press X1 43X2 softkey or press the entry knob to select X1 cursor e Rotate the entry knob 3 to move the X1 cursor e Press X1 _ X2 softkey or press the entry knob to select X2 cursor e Rotate the entry knob 3to move the X2 cursor e AX displayed in the softkey area is the frequency difference between X1 and X2 1 AX is the time difference between X1 and X2 Perform the following steps to take voltage measurement e Press the MATH key to display the Math menu e Press the Operate softkey to select FFT and display the FFT menu e Press the CURSOR key to display the CUROSR menu e Press Mode softkey to se

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