History file for MT1

V 20.B1  25.11.2020
  * STD command - does factory reset
  * UMTS improvements (network search, connection retries, driver, ...)
  * Bugfix on trigger saving
  * Display channel state if changed by command
  * Improved command handling of wrong commands
  * Bugfix for requested system state
  * do server synchronization only if not synced or sync configuration was changed

V 20.A2  30.10.2020
  * Improved the system stability
  * Improved the scroll mode
  * Recreate system state at resends
  * Improved the date support for saved trigger
  * Implement STD command

V 20.A1  09.10.2020
  * Change pulsehold setting via server. MT1 loads the saved pulsehold setting at device startup (no more fix setting of 5 seconds).
  * Bugfix on entering the start number
  * Bugfix for minute sync output
  * Improved the system stability
  * Decreased a timeout for server communication to increase communication speed
  * Improved the date support for trigger
  * Bugfix in syncdelta calculation (used for running time), if the devices runs several days
  * New heap implementation and sending a heap trace to the server
  * Bugfix in scroll mode, if there's no trigger saved. Bugfix flickering if end/start of list is reached at scrolling

V 20.92  18.09.2020
  * Send pulsehold to server
  * Display the end of a pulsehold faster
  * no NULL termination at the end of a ASCII trigger
  * corrected the SyncDelta calculation
  * faster scrolling in scroll mode

V 20.91  01.09.2020
  * Bugfix when synchronize with GPS (include UTC offset only if it's already in use)
  * Show system message on a trigger, if device isn't synced
  * Bugfix in umts driver
  * Bugfix: system message could prevent the automatic shutdown on low battery
  * Startnumber entering: Bugfix and more intelligenter start number suggestions
  * Report pulse hold via USB
  * Fix pulse hold of 5 seconds till it can be configured via server frontend
  * Fix spelling error

V 20.84  21.08.2020
  * The suggested bib blinks for editing
  
V 20.83  20.08.2020
  * Improved keyboard handling
  * Unblock/activate a blocked/deactived channel by entering a bib
  * Extend the info menu
  * Trigger copy mode in memo mode
  * Increase an entered bib automatically by pressing the enter key

V 20.81  07.08.2020
  * Improved keyboard handling
  * Extended the system messages
  * Improved synchronization if device runs several days
  * Handle midnight overflow at auto trimm
  * Send not sended trigger at device restart
  * Duplicating mode in memo mode

V 20.71  16.07.2020
  * System message on SYNA/SYNM
  * Send MCC/MNC to server for timing points accounting
  * extended the system status
  * Memory leak fixed
  * Send stack trace to server
  * Don't send unsent trigger on server change

V 20.66  17.06.2020
  * Bugfix battery icon
  * Minute-Sync improved
  * Set date from GPS if not yet a date from server received
  * Don't dipslay the GPS menu, if GPS can't be configured
  * Fault handling (with UMTS module turn off) with data sending to server and display fault at device startup

V 20.65  08.06.2020
  * Improved the SyncDelta calculation
  * Bugfix in time offset handling

V 20.64  05.06.2020
  * Improved the firmware update
  * Improved server session handling

V 20.63  05.06.2020
  * Bugfix in deviation calculation when device runs more than 24h
  * Renamed CRC error message

V 20.62  03.06.2020
  * Bugfix of settings handling --> DEVNR has to be programmed again
  * Freze in info display fixed

V 20.61  02.06.2020
  *Bugfix: On each Switching on, "Vality Error" appeared in the display.

V 20.57  29.05.2020
  * Bugfixes when wake up display
  * Improve UMTS handling
  * Reimplemented Auto-Trimming
  * Refactored GPS Signal, deviation calculation, GPS synchronization
  * Improve server synchronization
  * Synchronization-Delta for running time at GPS and SYNA/SYNM synchronization
  * Show battery state in welcome screen

V 20.56  13.05.2020
  * Corrected a problem at UMTS icon

V 20.55  13.05.2020
  * make DNS lookup in error case faster
  * improved resend logic for triggers
  * no more "snowy"-display at startup

V 20.54  13.05.2020
  * Switch-off reason, switch-off date and switch-off time are stored in flash
  * workaround for keyboard controller
  * error message on settings error
  * session handling improved
  * "S" at UMTS icon wasn't always correctly displayed
  * UMTS handling improved
  * send system state acknowledged

V 20.53  11.05.2020
  * Bugfix in UMTS driver (sometimes the session to the server couldn't be established)
  * more logging for the keyboard

V 20.52  08.05.2020
  * Improve UMTS handling

V 20.51  08.05.2020
  * Send the system state each 30 minutes to the server
  * Changed UMTS handling
  * USB interface bugfixes

V 20.49  06.05.2020
  * Commands to make channel settings are checked whether the settings affect a time measurement channel

V 20.48  29.04.2020
  * Mobile network handling for deployment improved

V 20.47  28.04.2020
  * Fix in UMTS driver
  
V 20.46  28.04.2020
    Keyboard Interrupt Test implemented

V 20.45  24.04.2020
  * Bugfix of dynamic memory usage
  * Display GPS error icon, if the communication with the GPS module doesn't work
  * Bugfix: Increase the intervall between UMTS connecteion retries
  * Improve the UMTS connection
  * Save trigger when device is switched off and load the trigger when device is turned on
  * Increase the trigger memory to 7000 triggers
  * Scroll modus displays saved trigger even if the device isn't synchronized

V 20.43  17.04.2020
  * Deactivate watchdog und set compiler optimization to O1 (for debugging)
  * Remove Not connected icon
  * Improve the UMTS module turn off logic
  * Hanlding of Online/Server in UMTS Icon corrected
  * Increasing the timespan between UMTS connection retries up to 15 minutes
  * UMTS connection improved
  * Reimplement trigger resending
  * Don't reconnect if a trigger can't be send and the MT1 is connected to the internet
  * Bugfix at deactivation of PDP context and Soft-Reset
  * Increase stack for Keyboard-Logging

V 20.42  08.04.2020
  * Bugfix when searching a new operator in auto operator mode
  * Display internet and server connection in the UMTS icon
  * Prefer soft reset befor hard reset for UMTS module
  * Logging feature for keyboard
  * Bugfix when save device name
  * Bugfix: UMTS connection wasn't established after a firmware update
  * Bugfix: The correct server wasn't loaded at startup
  * Save settings before a firmware update

V 20.41  03.04.2020
  * UMTS-Communication-Key replaced
  * Improved the UMTS connection
  * Fixed the operator search
  * Bugfix of displaying the UMTS icon
  * UMTS module driver bugfixes
  * Reactivated the UMTS test
  * Remove SARA R4 driver
  * ICCID can be requested as soon as the UMTS module is powered on for the first time
  * Bugfix when store DEVNR

V 20.32  2020-03-02
    First customer version