Known Issues

• General workaround for issues: delete and reinstall the app.
• License Activation problems found for some phones.
  Workaround: remove/close the app from Android tasks list and restart the app.
• Feb 2019: Device not recognized after upgrade to Android 9 (Pie).
  Workaround: Unknown. It seems after some phone upgrade to Android 9 the USB OTG stops to work. Nothing is recognized.

TODO List

• Advice for low sampling rate respect signal frequency.
• Reference signal cannot enabled when HS101 connected by Bluetooth.
• Add legend to cylinders timing overlay.
• Enable CH-0 move on Automotive Module
• Statistics hide away when the signal change –> keep on the screen
• AUTO option in Rate (change according zoom level)
• On saved file add information on enabled digital channels
• Better Waveform Management for manage many files

2.4.4 (432 Beta) May, 2024

Current issues

• When WiFi is enabled in HScope and no device is connected the file opening crash. Workaround: connect an oscilloscope or disable WiFi in HScope settings.

Improvements

• Better zoom and scroll function
• Improved THD function (Audio Module)
• Improved Notes with better text on multiline management

Fixed bugs

• Notes position not correct in Oscilloscope mode, after loading
• Cut waveform in Automotive mode did not move correctly Notes and Flags
• Wrong XML formatting in some case for the HXML files
• Crash on reset HS502 calibration data

2.4.3 (429) Apr, 2024

Improvements

• New device supported: WitMotion WT9011
• Added velocity stat for Accelerometers (in mm/s)
• Upgraded RS232 UART decoder (digital module – update 2024)
• New RS485 MODBUS decoder (digital module – update 2024)
• New LIN decoder (digital module – update 2024)
• Better labels for vertical cursors (update 2024)
• Report supports longer file names
• Improved CAN decoder
• Channel 1 can be moved in Automotive Mode
• Higher resolution design for bigger screens
• Upgraded digital module management (major upgrade)
• Added modules and settings button in Automotive Module
• New Share via Cloud V2.0
• UART decoded signal can be Exported in .CSV

Fixed bugs

• HS101 Bluetooth oscilloscope did not work on latest Android versions (> O version)
• HS-ACCEL DIY version could not connect
• Issue in scaling Math Channel in Automotive module
• Fixed driver for Hantek 6074
• Could not enable bluetooth in Android 14
• Crash due to Bluetooth in some device
• Crash in report creation in Automotive mode
• Bluetooth authorization not recognized for devices without GPS
• Fire Order Overlay could not move well in some case

2.4.2 (408) Dec, 2023

Implemented enhancements

• Added inH2O unit for probes
• Optimized CC-80 Current Probe settings (need to download again the probe configurations)
• Added Zoom behaviour option among XY or only Y (Update 2023)
• Removed auto zoom and time set on acquisition start (the screen keep last zoom level and position)
• Added Amplitude Zoom on mouse wheel scroll
• Automotive Pages for high rates (Update 2023)
• Improved Zero Offset function in Automotive Module (at acquisition start)
• Improved vertical cursors (can enable/disable labels)
• Improved Automotive view management
• Can set/load/save Report Title for each waveform (Update 2023)
• Automotive module don’t hide scroller during recording
• FFT data can be exported to CSV (Update 2023)
• Digital channel can be used in Automotive Module
• Flag button trigger also Automotive Manual Start
• Improved messages for Bluetooth Trigger Button

Fixed bugs

• Wrong voltage values for FOSC53B
• Automotive waveform disappear in some case (ie. if inverted)
• Update 2023 button did not appear in some case
• HS502 multiplier could not be calibrated (now need to use stabilized 5V source)
• Stats wrong for channel > 1 (Automotive Module)
• HS-ACCEL (DIY edition) has wrong units (V instead of G)
• Automotive Zero Level has wrong values
• Math module bug in Automotive Module
• Empty visualization on loaded file in Automotive Module
• Oscilloscope mode could not load files first time without oscilloscope connected or Demo mode
• Menu UI fixed for Android 13
• Crash in Android 14
• Cloud service don’t work
• HS402 wrong values on start for V/A device
• App restart when Bluetooth device get connected or disconnected
• HS502 freeze on voltage change + roll-mode + trigger
• Automotive mode auto-size waveform function (3) did not work

2.4.2 (389) Sep, 2023

Implemented enhancements

• Some design detail improved
• Updated Google and Huawei libraries at latest versions
• Duty Cycle Math function (update 2023)
• Support for new Fosc53C WiFi oscilloscope
• Support for new HS512
• Added Time/Div control in Automotive Module (update 2023)

Fixed bugs

• HS502 block in some case
• Wrong pin for custom AC/DC mod on Hantek 6022BL
• Automotive Module not enabled for HS502 in case the user has no other licenses
• Wrong calibration data for latest LOTO OSC-H02

2.4.2 (380 Beta) Mar, 2023

Implemented enhancements

• HS402 supports new hardware variation (V/A Logger)
• System Settings show also Data and Cache size and allow to clear the cache (Update 2022/2023)
• Improved file manager performances (need to clear the cache first time after update)
• New Histogram stats function (Update 2022/2023)
• Probes Management keep always x1 probe

Fixed bugs

• HS402 rate error when enable/disable channel
• Math Module issues in Oscilloscope Mode
• Digital module did not show the list of available analog channels
• HS502 Licensing
• Crash on Math Channel statistics

2.4.1 (375) Feb, 2023

Implemented enhancements

• HS502 can run on any android device without app store
• Better colors for Horizontal Cursors on White Background
• File Explorer show the presence on the Digital Channels in the waveform
• Better visualization for Calibration Data
• Better Fire Order Overlay design (Automotive Module)
• Filters introduce zero-phase shift
• Improved WAV exporter
• Improved Math Demodulation function
• Can apply filters to the result of Math operation (Update 2022/2023)
• Improved Logger UI
• Added support for Fosc53B

Fixed bugs

• HS402 fast switch of rates caused halt
• HS502 asked license for some new feature
• Automotive module could not save waveform in some case
• Horizontal cursors did not work in some case
• Automotive module wrongly show Digital Channels in some case
• HT 1008 fixed data error if started with 4 channels
• Logger CSV import crash
• Logger channels not updated according selected probe
• Signal Invert Filter issue (button don’t reflect the actual status)
• Filters not working is some condition in Automotive Module
• WAV exporter crash in some case, data could be corrupted
• Report didn’t show Math channel info in Automotive Module
• Solved bugs on Logger

2.4.0 (363) Dec, 2022

Implemented enhancements

• Custom Channel Names can be imported from file
• Channel Names and Probes are automatically imported when SET an existing working folder
• Channels signal can be inverted with Filters (Update 2022/2023)
• Can add pictures to the Waveform from the phone Gallery (Update 2022/2023)
• Can delete pictures from the Waveforms (Update 2022/2023)
• Add cursor stabilizer for 360/720 Automotive Tool
• Possibility to set Automatic or Manual start for Automotive recording (Update 2022/2023)
• Auto-Update Waveform list when the Document Folder is modified outside HScope (Update 2022/2023)
• Digital Module can convert result of the Math Module to digital signal and process (i.e. for CAN)
• Digital Module: improved analog to digital conversion
• Improved PDF Report
• Better control of 720/360 graph (measurement cursor has the priority over the side cursors)

Fixed bugs

• Problems when using a device without Google Play
• Crash for HS-ACC in some case
• Filter let signal disappear in roll mode
• Crash on set app folder
• Waveform preview image did not refresh when overwrite waveform
• Digital signals could not be loaded from saved waveform
• Cloud ID could not be copied automatically from clipboard in some case
• Bluetooth permissions on Android 12
• Crash if selected the wrong documents folder
• Overvoltage was not shown correctly
• Crash with several dialogs
• Bugs on Digital Module
• PWM window could not resize correctly according menu width
• Re-save waveform did not keep the photos

2.3.9 (346) Ago, 2022

Implemented enhancements

• Automotive Module: is it possible to set the allocated RAM up to 2GB (Update 2021/22)
• Enhanced Automotive Module performances.
• Correct visualization of FPS statistic.
• Enhanced freq function (Automotive module)
• Automotive Module auto-zoom consider the actual data range (relative range for a better zoom)
• Waveform explorer can load single files (HScope .zip format)
• Enhanced white theme in Data Logger page
• Normal Trigger allowed in Roll Mode (HS402 and Hantek 6074) (Update 2021/22)
• Enhanced XY module: better auto-viewport, point measure, possibility to set V/div (Update 2021/22)
• Avoid Labels overlap in Vertical Cursors
• Labels on vertical cursors can be hidden in 100/360/720 deg. Tool
• Automotive Module can export PDF Report (Update 2021/22)
• Possibility to change Probes order (Update 2021/22)
• Can open HScope ZIP files from other apps to HScope (Update 2021/22)
• Improved DataLogger
• Improved PDF Report with probes information and waveform author, channel coupling, filters, notes
• Can import digital data from saved waveforms
• Improved Probes Cloud Downloader to work also Offline
• Improved Performances / Memory usage
• Can add photos to the Waveforms files
• Added support for Android 12
• Added CAN Decoder (Digital Module)
• Supported latest OWON 1022 hardware
• Improve Math Demodulator to adapt automatically to the signal
• Improved PDF Report
• Added possibility to rename Channels
• Automotive Channels can hide if not used
• Channels can be hidden when load a waveform
• Can trigger on Channel-3 & 4 in case Channels-1 and 2 are OFF

Fixed bugs

• Fixed crashes on Automotive module due to lack of memory.
• Fixed rates for Hantek 6074, crashes with roll mode trigger
• Crash on too much memory allocated for Automotive Module
• PDF Report export is not recognized in Google Drive
• Load waveform button did not work in Data Logger page
• Bug on XY Module – frequency relation data wrong in some case, graph Y unit wrong in some case, wrong data export, wrong thumbnail image
• Wrong voltage selection on Channel 2 – Automotive Module
• Crash in phones with limited RAM when they import waveforms generated with phones with larger RAM
• XY Module: Delay computation run indefinitely also after module close
• Wrong Labels position in Vertical Cursors with 2 channels
• Imported waveform could not be filtered in Oscilloscope screen
• Crash for Hantek iDSO1070
• Voltmeter color error (stays always red after first time)
• Fixed crash on Freq function (Automotive Module)
• Fixed trigger on Channel-2
• Flags could not be removed on new acquisition or file loading

2.3.8 (305) Apr, 2022

Implemented enhancements

• New driver for Hantek DSO-2xx0 Oscilloscopes (DSO-2090, DSO-2150, DSO-2250)
• Added Flag tool during Automotive recording (Update 2021/22, see guide for usage)
• Notes content can be changed
• Flags can be saved/loaded
• 720 Degree Tool cursors can be moved also on the top part of the screen
• Scroller Window is hidden during Automotive recording and then restored
• Waveform position and zoom is saved and can be loaded
• Turned OFF Channels get reduced in Oscilloscope mode
• Voltage ranges for each channel is more “user friendly”
• Voltmeter show Duty Cycle
• White color scheme for Voltmeter
• Enhanced 720 degrees graph
• Enhanced Phosphor effect
• Enhanced Cloud waveform sharing
• Enhanced contrast in White UI for AC/DC/OFF buttons
• New report created on screenshot for Oscilloscope screen (update 2021/22)
• Enhanced notes tool (update 2021/22)

Fixed bugs

• Issue on ON/OFF button for Math panel in Automotive module
• Automotive Labels tool graph outside graph area
• Horizonal Cursor values was not referred to the axis unit (did not scale)
• Wrong visualization of Channel 4 panel in Automotive screen
• Normal/Single Trigger did not work on ISDS205.
• THD Processor remove DC component for more accurate result.

2.3.7 (291) Oct, 2021

Implemented enhancements

• Possibility to set Waveform name upon Save
• Audio Module can import WAV files (Update 2021)
• Added the THD calculator in the Audio Module (Update 2021)
• Added 0-100% vertical cursors
• Math Module output display some known units as result of the operation (Watt, Ohm)
• Added Time column in CVS Export
• Added BandPass and BandStop Filters
• Better text input dialog (for file names and other)
• Hantek 6022 (BE/BL) added hardware option for AC Coupling
• Waveform scroller can be zoomed with fingers. Added position of cursors and tools.
• Improved digital module
• Digital data can be saved / loaded together with analog data
• CSV can exports up to 4 channels data
• Added dialog to confirm file deletion
• Automotive module can record digital data
• Audio module allow to use microphone to acquire data
• Hantek 6074 real-time rate up to 125KSa/s with 4 channels
• Hantek 6074 supports Audio Output
• Improved Auto Voltage function
• Optimized freq() function (Math Module)
• Better arrangement for Probes on Cloud

Fixed bugs

• Crash on file export in other formats (XML, CSV, WAV)
• Crash on folder import on Android 8
• White color for PWM Module
• Font size in logger graph
• Crash in case load a waveform just with second channel
• Crash on save waveform after loading
• AUTO Voltage did not work with FX2 Experimental Mode
• Hantek 6074 input voltage wrong when enable channel
• Channel 4 voltage selector did not show correctly
• Autoscroll in Automotive Module

2.3.6 (274) Sep, 2021

Implemented enhancements

• 360′ Tool show also RPM information
• Added 1 decimal to Duty Cycle value
• iDSO1070 added lower rates (slow rates, 1, 2, 5KSa/s)
• Waveform Explorer can zoom the thumbnails (Update 2021)
• Automotive Module shows units for loaded waveforms

Fixed bugs

• Waveform loading did not remove previous tools on the screen
• Wrong data read for old saved waveform (2019)
• Vertical cursors cannot be used on loaded waveforms
• Visualization error in statistic (of second type)
• Horizontal cursors did not move in FFT
• Crash in Automotive module (in some case)
• Automotive module did not show Channel-4
• Color error in 360 and 720 Tools
• XY Plot button not enabled
• Saved files did not show in Data Logger
• Automotive Module saved empty files from second save
• Data logger could not open saved CSV for some locale

2.3.6 (269) Aug, 2021

Implemented enhancements

• Added Math computation to Automotive Module (Update 2021)
• Automotive Module allow to set zero offset before recording starts (Update 2021)
• Added 4 Channels support for Hantek 6074
• Added support for new HS-ACC WiFi Accellerometer
• Added 360° Automotive Tool
• Enhanced Automotive Label Tool
• Improved Automotive Fire Order Tool
• Menu size can be configured (both Oscilloscope and Automotive screens)
• White UI (both Oscilloscope and Automotive screens) (Update 2021)
• Added filter buttons in Automotive menu
• Show distance among 3 horizontal cursors
• Interface buttons hidden when take screenshot
• Improved load/save data speed
• Channels can have arbitrary names (according hardware)
• Added info on the memory available for the app (in Settings->System. Device dependant)
• Don’t need DEMO mode to open and process saved waveforms
• File explored detect correct file versioning

Fixed bugs

• Document folder link loose on phone reboot
• DSP Filter error at the beginning of the Waveform
• Save calibration data crash on Android < 10
• Waveform align buttons didn’t work when Math module is enabled with just 1 channel
• Filters and Math operations can be applied just 1 time in Automotive Module
• Crash due to lack of memory in Automotive Module
• PSO2020 wrong hardware settings when connected the device
• Crash on Automotive module new Zero Offset feature
• Cloud Download did not save file in Public Folder

2.3.5 (245) Jun, 2021

Implemented enhancements

• HS402-Wifi DIY Oscilloscope driver – faster WiFi connection
• Added support for Android 11 (new file management)
• Screenshot on the voltmeter screen take all the controls
• Added Gravity unit (G) for accelerometer sensors

Fixed bugs

• Calibration Multiplier crash for OFF channels
• Calibration error for HT1008
• Wrong number of samples for HT1008
• Crash on file delete (new file management Android 10+)
• Data Logger wrong MAX and MIN values in some case

2.3.4 (235) Apr, 2021

Implemented enhancements

• HS10X supports PWM output (it requires Firmware v10.2)
• HS402-Wifi DIY Oscilloscope driver
• Data can be exported also from XY Module.
• XY Module can show also data saved.
• Improved Labels Tool buttons
• Improved Settings screen, added a specific section for Oscilloscope settings
• Improved Vertical Cursors & disable Auto Vertical Cursors
• Extended export capabilities of the CSV format up to 1ML samples (old license owners requires Update 2020)
• Faster UI coloring for channels
• Added Cloud sharing for saved Waveforms, improved Cloud Waveform Downloader
• Improved visibility of values on the Vertical Cursor
• Bigger buttons, enlarged Settings menu and texts for Tablets
• FFT allow to select the active channel, UI updated
• Math integrate new Demodulation function (for low frequency, eg. vibration sensor)
• Added statistics for 2 Vertical Sensors
• Added Harmonic Cursors for FFT Vertical Ruler

Fixed bugs

• DUAL mode not working for HS10X
• Bug on duty cycle
• Bugs with Automotive Module (wrong scaling, crashes,…)
• FPS did not show after next app openings
• Block on HS402 WiFi if it starts with DEMO running
• HS402 annotation for current adc resolution (HD512, HD1024,…)
• Crash on Automotive Labels Tool if selected labels < 2
• Crash on Automotive Tools (if opened many times)
• Data Logger wrongly ask license when try to open files
• Wrong event management on channels graph lead to errors
• Wrong values for Horizontal Cursor in second scale
• Fixed FX2 Experimental Mode for Loto OSCA02 and OSC802
• Fixed wrong text position on the vertical cursors
• Could not click on + button after enabling the Automotive Labels tool
• Wrong button size in automotive tools (Labels and Fire Order tools) after change font size
• XY Graph size issues for big screens (eg. Tablets)
• Horizontal Cursor alarm icon disappear after click
• FFT disappear in some case, UI issues.

2.3.2 (211) Jan, 2021

Implemented enhancements

• Implemented 4 Channels management (Oscilloscope Mode, Automotive Module, Import/Export)
• Updated Automotive Module UI
• Hantek 1008 support 4 channels (old license owners requires Update 2020)
• Improved 720 Degree Automotive tool
• Improved XY Module (old license owners requires Update 2020)
• Improved HS402 driver (real-time rate)
• Math module signal can be moved in the screen
• Signals can show infinity values (due to operations with Math module)
• Increase channel modification timeout to 3secs.
• Improved axis labels

Fixed bugs

• Fixed bug on crash when probe deleted
• Fixed wrong scaled when resize channel
• Fixed Math module doesn’t show
• Fixed crash on Math module if used with other 4 channels active
• Fixed voltage spinner on probe change
• Fixed bug on Hantek 1008 crash