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

2.4.5 (469) Jan, 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.
• HS512 give wrong data under 38KSa/s when switch channel from DC to AC or AC to DC. Workaround: change rate and change back.

Improvements

• It is possible to see more pictures from the Cloud Waveforms
• Waveform can be cleared in the Automotive Module
• Improved Master panel in Automotive Module
• Higher graphic resolution for control panel in Automotive Module – dark theme
• Can add spaces and other characters to the waveform name
• Waveform name and notes are cleaned from special characters for Cloud Library upload
• Infinite mode for labels tool (Automotive tool) (update 2024)
• Added confirmation box when clean automotive capture
• Added confirmation box for saving new waveform before opening another file
• Automotive data reset do not reset also channel names to allow same kind of recordings
• Improved LIN Decoder, now with Export data function (update 2024)
• Logger graph have 2 working modes: existing 1 channel mode + 2 channels V/A mix mode (update 2024)
• Improved Blind Mode vs Color settings
• Cloud Waveforms can be save in Favourites folder
• CAN decoder revision preview (added stats and data export – update 2025)
• Added rates for OWON 1022 oscilloscope

Fixed bugs

• Cloud waveform loading not showing progress in Automotive Module
• HS5x2 give wrong data under 38KSa/s when switch channel from DC to AC or AC to DC
• Logger exported file had the time in 12h format. Changed to 24h format.
• Automotive flag button don’t allow audio volume regulation for Audio Module.

2.4.4 (458) Sept, 2024

Improvements

• Waveforms can save additional data (preview)
• Updated Fire Order label tool
• Folders Management
• Spanish translations updated (Credits to Javier)
• Label tool is repeated along the waveform
• Waveform details can be copied from last saved settings
• Improved login process
• Added additional waveform information in the PDF report
• Added Ohm unit
• Cloud Waveform Library (preview)
• Supported new HS512 Max oscilloscope
• Improved PDF reports

Fixed bugs

• Hantek 6022BE not recognized
• User Logout need to reconfigure the file folder to see the waveforms
• PDF Report has graphic issue when generate while moving the waveform
• Crash on add photos from Camera to waveform (if Camera permission not enabled)
• Calibration halt for HS502 in some case
• 360/720deg graph buttons disappear too soon
• Report wrongly generated in Automotive module when background is dark
• Waveform thumbnail wrongly generated in Automotive module when background is white

2.4.4 (438) May, 2024

Improvements

• Better zoom and scroll function
• Improved THD function (Audio Module)
• Improved Notes with better text on multiline management
• Improved waveform save speed
• WAV files can be imported also in Automotive Module up to 4 channels
• Improved Flags (can create flags manually and numbers are recomputed after moving or adding flags) (Update 2024)
• Cursors lock function (Update 2024)
• Optional buttons in Tools disappear after longer time
• New keyboard for custom probe settings
• Waveforms can be sorted (Update 2024)
• New device: Phone Internal Accelerometer

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
• Crash on WAV files import

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