Tektronix
4903 Interactive Graphic Unit
The Tektronix 4903 Interactive Graphic Unit draws crosshairs on the Tektronix 4002 display. The 4903 enables the user to select any point on a display and input its coordinates to a computer. The 4903's crosshair capability was built into later Tektronix models.[1]
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What it is
Applications
The Tektronix 4903 supports computer-aided design tasks that require selecting points on a displayed drawing.[1]
The Tektronix 4903 supports interactive graphics workflows that need coordinate entry from a displayed screen.[1]
- Computer-aided design (CAD)
What do the numbers mean?
Control & software1
Configuration & options3
What replaced it?
Related models
- siblingTektronix 4901— Another Interactive Graphic Unit in the same lineupsource[1]
- siblingTektronix 4002— The 4903 draws crosshairs on this terminalsource[1]
Where are the manuals?
Generated from public-source data on file. Enter your email to access — nothing is published; details are routed privately.
Not publicly documented
Field notes
No research found yet — worked with this tool? Share what you know.
Frequently asked questions
Not publicly documented
The following facts about the 4903 Interactive Graphic Unit are absent from this record as of this revision. First-hand knowledge or a citation closes a gap; every submission is reviewed before publication.
No publicly documented production dates or lifecycle milestones (introduction, end of production, EOL) for the 4903 Interactive Graphic Unit are on record.
Answerable by: OEM historical records or a trade-press announcement
No publicly documented variants, configuration options, or revision breakpoints of the 4903 Interactive Graphic Unit are on record.
Answerable by: an OEM product catalog or an engineer who ordered or specified the tool
The control-system platform and OS era of the 4903 Interactive Graphic Unit are not on record.
Answerable by: an engineer who operated it or OEM installation records
No publicly documented failure modes or field errata for the 4903 Interactive Graphic Unit are on record.
Answerable by: a field service engineer, process engineer, or maintenance technician
The process node or technology generation of the 4903 Interactive Graphic Unit is not on record.
Answerable by: an OEM datasheet or a fab qualification report
No research found yet — worked with this tool? Share what you know.
Sources & citations
Sources (1)Every fact above is drawn from these public sources
- [1]en.wikipedia.org — en.wikipedia.orgen.wikipedia.org
Last updated Sep 26, 2026.
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