Updating with the new features and fixes released in G4 up through version 5.3.5.

Added the ability to customize the report to display or hide specific metrics or metric sections. A column of checkboxes on the right side of the report allows users to select individual metrics or metric sections. These selections can be saved in the meter’s settings or exported to a settings file for use with other meters. The report may be customized in a file view or in a template within the meter’s settings view.

• Information entered into the 'General Info' fields in the report view is now properly stored in the file and will persist when the file is opened again. • Markers entered while the meter is running are now properly inserted into the Time History graph. • PDF reports in character-based languages (Thai, Korean, etc.) now display correctly.

• Added support for Spartan 821/721 and SoundExpert 821/721 meters. • When adding a meter to Atlas by IP address or host, Atlas now checks if the address/host has already been used, to prevent issues caused by having two meter entries with the same IP address. Other minor validation checks were also added. • Many improvements to graphs, spreadsheet and reports.

Fixes for several minor issues, including for 730 and 730IS disabling the Calibration "Accept" button until the calibration is stable. Updated AudCal audiometer calibration system with additional standards, including ANSI S3.6 (2018) and ANSI S3.6 (1989). Added booth test standard to test in compliance with New Zealand document, "Assessment of occupational noise-induced hearing loss for ACC", page 25. Added support for Canada standard to the 730 and 730IS. Please refer to the Release Notes in G4 for details regarding these standards additions.

Supports addition of Room Acoustics mode to 831C. Updated and improved Spartan 730 screen layouts. Updated to support latest 730 features. Added full-page FFT live screen. Fixed miscellaneous issues.

Improved Language support and PDF generation with non-Latin based languages 831C FFT Support added Show Only Active Meters mode available Device Panel connection improvements Misc. Bug fixes

Full AudCal report support in LD Atlas Import logo feature added to Spartan PDF reports 831C Security, SSL, and scheduling support New Live Leq Graph for Spartan Calibration Level now shows on Spartan reports 1 minute time history support for Spartan Finnish language support added Link to manuals and support added to settings page Updated File manager view for Spartan, with searching of files TCP connection improvements for 831C / HVM200 in Device Panel view Improved Swiping for 831C live view New support for 730IS model Misc. Bug fixes

831C Security, SSL, and scheduling support New Live Leq Graph for Spartan Calibration Level now shows on Spartan reports 1 minute time history support for Spartan Finnish language support added Link to manuals and support added to settings page Updated File manager view for Spartan, with searching of files TCP connection improvements for 831C / HVM200 in Device Panel view Improved Swiping for 831C live view New support for 730IS model Misc. Bug fixes

Fixed issue with entering and displaying multi-line notes during Spartan measurements Disabled Spartan settings are darker and easier to distinguish from enabled settings Fixed display problem with Lpeak value when switching virtual dosimeter mode from Dose to ISO Add General Info now saves with archive file properly prior to being sent with email Sorting hidden meter list by serial number

Support for Spartan 730 Admin Passcode, allowing Settings, Tools, and Deleting files to be restricted without entering the passcode. Expanded Spartan 730 minimum criterion and threshold levels from 70 dB to 55 dB Edit name box improvements on initial device view. Added ability to access AudCal view for 831C Improvements for Spartan file list reliability on first access. Improved transitions between meters visible and not visible for UDP and TCP connections when switching WiFi networks Misc. Bug fixes