TB-017.1
Legacy 4.2 guidance
Firmware 4.2 installations may use Invert Output where required by the approved door hardware schedule.
Manufacturer Bulletin · REVISION A
Technical Bulletin TB-017 — Legacy output inversion
Fictional / anonymised ENGGEN 720 demonstration source. SiteAssist reads the stored sections below through controlled read-only tools.
Document typeManufacturer Bulletin
RevisionA
System version scope4.2 → 4.2
Published10 Jan 2025
Evidence groupTechnical Library
Source scopeTechnical Library
Original formatPDF
Excluded from agent retrieval. This superseded document is retained so a reviewer can see what changed and why stale guidance must not be used.
Stored source sections
2 sections
Source section
TB-017.2
Status
This bulletin is superseded for firmware 4.3 and later by TB-024.