Product Notifications

Engineering Change Notification

Public | Finalized Published: 13 May 2026 - Reference: 13_2026_ECN

Global firmware Update for T27 MMD products

Hatteland Technology AS hereby informs about changes for the following model(s):
HD 15T27 MMD
HD 17T27 MMD
HD 19T27 MMD
HD 24T27 MMD
HD 27T27 MMD
JH 15T27 MMD
JH 19T27 MMD
JH 21T27 MMD

Notice: Customized models are ALSO affected by this Engineering Change Notification.

HD 15T27 MMD

Effective from:

Implementation from May

Changes:

New Firmware VIC21VF-000STD-023 -> VIC21VF-000STD-036

Additional information:

This update includes a range of minor enhancements to the T27 MMD, designed to improve usability and resolve minor issues. Most of the updates focus on further refining existing functionality.

Changes:

- Improve Aspect Ratio setting, when no signal is connected.
- Add new option of Power Saving Mode in OSD Menu, default ON.
- Improve the DVI signal sync delay.
- Fix DDC 0yE5 Buzzer Control Command, add option 0y01 as turned on.
- Fix IP Address Saving Issue.
- Fix VGA EDID for 27T27.

Datasheet Update:
- DDC/CI manual 0yE5, add 0y01 for turn on buzzer.
- Update OSD Menu with new setting "Power Saving Mode"
- Position: Input Source Settings -> Power Saving Mode
Options:
- ON (default): Unit will enter sleep mode when no signal is detected.
- OFF: Unit won't enter sleep mode when no signal is detected. Faster response when detectingnew signal.

- Update OSD Menu with new description, under "Image settings -> Aspect Ratio"
- The setting will be disabled, when no signal is detected.

Contact:

For further enquiries regarding this Engineering Change Notification, please contact Support at Hatteland Technology AS.

Matching products online:

JH 15T27 MMD-yRy-yyyyyy
JH 19T27 MMD-yRy-yyyyyy
JH 19T27 MMD-yRy-Syyyyy
JH 21T27 MMD-yRy-yyyyyy
HD 15T27 MMD-yyy-Fyyyyy
HD 17T27 MMD-yyy-Fyyyyy
HD 19T27 MMD-yyy-Fyyyyy
HD 24T27 MMD-yyy-Fyyyyy
HD 27T27 MMD-yyy-Uyyyyy
HD 27T27 MMD-yyy-Fyyyyy

Implemented by:

________________________________

Joakim Emanuelsson
Vice President Product Management
Hatteland Technology AS

Read and Understood by:

________________________________

(Your name)
(Your company)

Last revised: 13 May 2026