2026-07-29

# V1.13 Firmware Update Reliability Improvements

Attempt to fixes installer stalls part-way through programming:


2026-05-03

# V1.12 Maximum Test Time Increased to 20s

Uses logarithmic time scale to allow for longer test times
without losing slider setting resolution at short times.

# V1.11 Increased Maximim Test Time

2.10s -> 4.0s


# V1.10 New Touch Screen Support

- Added support for new touch screen type.
- eliminated excessive startup delay

1.9 Fix possible startup failure since 1.5


1.8 Fix staggered blowoff timing bug

Previously when staggered blow-off was enabled, this had to be done
within the pressurisation period. This often resulted in bottles
from heads 2+ not being blown off. This is now fixed.


2022-04-23

1.5 Allow test times up to 2.1 seconds

2021-08-10

1.4 Implement I/O forcing

I/O forcing is now implemented.



2021-08-02

1.3

- fix LTU4000 on/off display on entering installation screen.
  Previously would always show off when go into screen.

2021-07-26

1.2

- Fix I/O screen crash when touch an I/O point. Add note that I/O forcing
not implemented.

- Add firmware version to home screen top right

- add "ltu4000" mode which inverts the reject relay state to simulate the
  LTU2000 PCB

2021-07-09

1.1

Fix product name 4000 vs 8000. Make generic for now i.e. "LTU series".

2021-06-25

1.0

Fix AC start signal


2021-05-21

0.9

Red bin icon


2021-05-20

0.8

Use bin icon for reset count

fix reset bottles per hour


2021-05-20

0.7

Added bottles per hour displays

Added languages and language chooser


2021-02-23

0.3

Allow 4-head operation.

Fix leak tester simulation.



2020-06-01

Initial check-in
