diff --git a/docs/developer/newport_sastt_evaluation.md b/docs/developer/newport_sastt_evaluation.md
index dcda931e..000e83c0 100644
--- a/docs/developer/newport_sastt_evaluation.md
+++ b/docs/developer/newport_sastt_evaluation.md
@@ -52,8 +52,8 @@ sync input 1? 3. DRV11 support for OWIS/Steinmeyer steppers? 4. Side mounting of
 
 ## Vendor documents
 
-Not in git (copyright, ~54 MB): `~/Downloads/newport_xps_cart/` on the workstation of M. Holler. ILS-LM-S and
-VP-5ZA data sheets and user manuals, XPS-RLD datasheet and Start-Up Manual (EDH0420), XPS-D Features (EDH0407),
-Configuration (EDH0406) and User Interface (EDH0405) manuals, XPS Unified Programmer's Manual, PSO multi-axis
-guide, trigger synchronization tech note, driver cards data sheet, cable kits manual (EDH0404). Source:
+Controller (for coding), in the repo: `vendor_docs/newport_xps/` - XPS Unified Programmer's Manual, XPS-D Features
+(EDH0407) and Configuration (EDH0406) manuals, XPS-RLD Start-Up Manual (EDH0420) and datasheet, PSO multi-axis
+guide, trigger synchronization tech note. Stage, driver and cable documents (ILS-LM-S, VP-5ZA, driver cards, cable
+kits, UI manual): not in git, `~/Downloads/newport_xps_cart/` on the workstation of M. Holler. Source:
 [newport.com/p/XPS-RLD4](https://www.newport.com/p/XPS-RLD4) and the product pages of each item.
diff --git a/docs/developer/newport_sastt_evaluation.pdf b/docs/developer/newport_sastt_evaluation.pdf
index eec9216f..0e6dbedc 100644
Binary files a/docs/developer/newport_sastt_evaluation.pdf and b/docs/developer/newport_sastt_evaluation.pdf differ
diff --git a/pyproject.toml b/pyproject.toml
index 72cc9652..b7877178 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -104,6 +104,7 @@ exclude_lines = [
 
 [tool.hatch.build.targets.wheel]
 include = ["*"]
+exclude = ["vendor_docs"]
 
 [tool.isort]
 profile = "black"
diff --git a/vendor_docs/newport_xps/README.md b/vendor_docs/newport_xps/README.md
new file mode 100644
index 00000000..6c9d6b03
--- /dev/null
+++ b/vendor_docs/newport_xps/README.md
@@ -0,0 +1,16 @@
+# Newport XPS-RLD controller documents
+
+Vendor manuals (Newport / MKS Instruments, downloaded 2026-11-09 from https://www.newport.com/p/XPS-RLD4)
+kept for implementing the BEC device for the XPS-RLD4. Excluded from the wheel (`pyproject.toml`).
+
+| File | Use |
+|---|---|
+| XPS_Unified_Programmers_Manual.pdf | TCP command set (gathering, PCO, corrector, notch filters) |
+| XPS-D_Features_Manual_EDH0407.pdf | Data gathering, position compare, events, servo tuning |
+| XPS-D_Configuration_Manual_EDH0406.pdf | stages.ini / system.ini parameters |
+| XPS-RLD_Start-Up_Manual_EDH0420.pdf | Hardware, connectors (GPIO, sync inputs, PCO) |
+| XPS-RLD_Datasheet.pdf | Specifications |
+| XPS_PSO_Multi-Axis_User_Guide.pdf | Multi-axis position synchronized output |
+| TechNote_Trigger_Synchronization_XPS.pdf | Trigger synchronization |
+
+Evaluation: `docs/developer/newport_sastt_evaluation.md`.
diff --git a/vendor_docs/newport_xps/TechNote_Trigger_Synchronization_XPS.pdf b/vendor_docs/newport_xps/TechNote_Trigger_Synchronization_XPS.pdf
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diff --git a/vendor_docs/newport_xps/XPS-D_Features_Manual_EDH0407.pdf b/vendor_docs/newport_xps/XPS-D_Features_Manual_EDH0407.pdf
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diff --git a/vendor_docs/newport_xps/XPS-RLD_Datasheet.pdf b/vendor_docs/newport_xps/XPS-RLD_Datasheet.pdf
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diff --git a/vendor_docs/newport_xps/XPS-RLD_Start-Up_Manual_EDH0420.pdf b/vendor_docs/newport_xps/XPS-RLD_Start-Up_Manual_EDH0420.pdf
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diff --git a/vendor_docs/newport_xps/XPS_PSO_Multi-Axis_User_Guide.pdf b/vendor_docs/newport_xps/XPS_PSO_Multi-Axis_User_Guide.pdf
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diff --git a/vendor_docs/newport_xps/XPS_Unified_Programmers_Manual.pdf b/vendor_docs/newport_xps/XPS_Unified_Programmers_Manual.pdf
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