diff --git a/shematic.svg b/shematic.svg
index 20a486f..00cbeb7 100644
--- a/shematic.svg
+++ b/shematic.svg
@@ -1,7 +1,7 @@
-<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 900 820" width="900" height="820" font-family="'Courier New', monospace">
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 900 920" width="900" height="920" font-family="'Courier New', monospace">
 
   <!-- Background -->
-  <rect width="900" height="820" fill="#0f1923"/>
+  <rect width="900" height="920" fill="#0f1923"/>
   
   <!-- Title -->
   <text x="450" y="38" text-anchor="middle" fill="#e8e0cc" font-size="18" font-weight="bold" letter-spacing="3">ARBURG ↔ THERMOPLAY WIRING DIAGRAM</text>
@@ -346,22 +346,80 @@
 
 
   <!-- =============================== -->
-  <!--  LEGEND                          -->
+  <!-- MID-WIRE ZONE / TC LABELS       -->
   <!-- =============================== -->
-  <rect x="320" y="88" width="260" height="120" rx="5" fill="#0d1820" stroke="#2a4a5e" stroke-width="1"/>
-  <text x="450" y="108" text-anchor="middle" fill="#7a9ab0" font-size="10" letter-spacing="2">LEGEND</text>
-  <line x1="335" y1="125" x2="375" y2="125" stroke="#ffcc66" stroke-width="2"/>
-  <text x="385" y="129" fill="#cccccc" font-size="10">Heater Zone (+)</text>
-  <line x1="335" y1="143" x2="375" y2="143" stroke="#ffcc66" stroke-width="2" opacity="0.4"/>
-  <text x="385" y="147" fill="#cccccc" font-size="10">Heater Zone (−)</text>
-  <line x1="335" y1="161" x2="375" y2="161" stroke="#44ffcc" stroke-width="2"/>
-  <text x="385" y="165" fill="#cccccc" font-size="10">TC J-type (+)</text>
-  <line x1="335" y1="179" x2="375" y2="179" stroke="#44ffcc" stroke-width="2" opacity="0.35"/>
-  <text x="385" y="183" fill="#cccccc" font-size="10">TC J-type (−)</text>
+
+  <!-- HEATER ZONE labels (between the + and - wires of each zone) -->
+  <!-- Zone 1: y midpoint ~168 -->
+  <rect x="390" y="155" width="120" height="18" rx="9" fill="#2a1e00" stroke="#ffcc66" stroke-width="1" opacity="0.9"/>
+  <text x="450" y="168" text-anchor="middle" fill="#ffcc66" font-size="10" font-weight="bold" letter-spacing="1">HEATER ZONE 1</text>
+
+  <!-- Zone 2: y midpoint ~216 -->
+  <rect x="390" y="203" width="120" height="18" rx="9" fill="#2a1800" stroke="#ffaa44" stroke-width="1" opacity="0.9"/>
+  <text x="450" y="216" text-anchor="middle" fill="#ffaa44" font-size="10" font-weight="bold" letter-spacing="1">HEATER ZONE 2</text>
+
+  <!-- Zone 3: y midpoint ~264 -->
+  <rect x="390" y="251" width="120" height="18" rx="9" fill="#2a1200" stroke="#ff8844" stroke-width="1" opacity="0.9"/>
+  <text x="450" y="264" text-anchor="middle" fill="#ff8844" font-size="10" font-weight="bold" letter-spacing="1">HEATER ZONE 3</text>
+
+  <!-- Zone 4: y midpoint ~312 -->
+  <rect x="390" y="299" width="120" height="18" rx="9" fill="#2a0c00" stroke="#ff6633" stroke-width="1" opacity="0.9"/>
+  <text x="450" y="312" text-anchor="middle" fill="#ff6633" font-size="10" font-weight="bold" letter-spacing="1">HEATER ZONE 4</text>
+
+  <!-- Zone 5: y midpoint ~360 -->
+  <rect x="390" y="347" width="120" height="18" rx="9" fill="#2a0800" stroke="#ee4422" stroke-width="1" opacity="0.9"/>
+  <text x="450" y="360" text-anchor="middle" fill="#ee4422" font-size="10" font-weight="bold" letter-spacing="1">HEATER ZONE 5</text>
+
+  <!-- Zone 6: y midpoint ~408 -->
+  <rect x="390" y="395" width="120" height="18" rx="9" fill="#2a0400" stroke="#dd2200" stroke-width="1" opacity="0.9"/>
+  <text x="450" y="408" text-anchor="middle" fill="#dd2200" font-size="10" font-weight="bold" letter-spacing="1">HEATER ZONE 6</text>
+
+  <!-- TC labels (between + and - wires of each TC pair) -->
+  <!-- TC1: y midpoint ~482 -->
+  <rect x="400" y="469" width="100" height="18" rx="9" fill="#002a22" stroke="#44ffcc" stroke-width="1" opacity="0.9"/>
+  <text x="450" y="482" text-anchor="middle" fill="#44ffcc" font-size="10" font-weight="bold" letter-spacing="1">TC 1  J-TYPE</text>
+
+  <!-- TC2: y midpoint ~530 -->
+  <rect x="400" y="517" width="100" height="18" rx="9" fill="#002a1e" stroke="#33ddbb" stroke-width="1" opacity="0.9"/>
+  <text x="450" y="530" text-anchor="middle" fill="#33ddbb" font-size="10" font-weight="bold" letter-spacing="1">TC 2  J-TYPE</text>
+
+  <!-- TC3: y midpoint ~578 -->
+  <rect x="400" y="565" width="100" height="18" rx="9" fill="#002a1a" stroke="#22ccaa" stroke-width="1" opacity="0.9"/>
+  <text x="450" y="578" text-anchor="middle" fill="#22ccaa" font-size="10" font-weight="bold" letter-spacing="1">TC 3  J-TYPE</text>
+
+  <!-- TC4: y midpoint ~626 -->
+  <rect x="400" y="613" width="100" height="18" rx="9" fill="#002a16" stroke="#11bb99" stroke-width="1" opacity="0.9"/>
+  <text x="450" y="626" text-anchor="middle" fill="#11bb99" font-size="10" font-weight="bold" letter-spacing="1">TC 4  J-TYPE</text>
+
+  <!-- TC5: y midpoint ~674 -->
+  <rect x="400" y="661" width="100" height="18" rx="9" fill="#002a12" stroke="#00aa88" stroke-width="1" opacity="0.9"/>
+  <text x="450" y="674" text-anchor="middle" fill="#00aa88" font-size="10" font-weight="bold" letter-spacing="1">TC 5  J-TYPE</text>
+
+  <!-- TC6: y midpoint ~722 -->
+  <rect x="400" y="709" width="100" height="18" rx="9" fill="#002a0e" stroke="#009977" stroke-width="1" opacity="0.9"/>
+  <text x="450" y="722" text-anchor="middle" fill="#009977" font-size="10" font-weight="bold" letter-spacing="1">TC 6  J-TYPE</text>
+
+
+  <!-- =============================== -->
+  <!-- LEGEND  (bottom)                -->
+  <!-- =============================== -->
+  <line x1="60" y1="800" x2="840" y2="800" stroke="#2a4a5e" stroke-width="1"/>
+  <rect x="60" y="810" width="380" height="96" rx="5" fill="#0d1820" stroke="#2a4a5e" stroke-width="1"/>
+  <text x="250" y="830" text-anchor="middle" fill="#7a9ab0" font-size="10" letter-spacing="2">LEGEND</text>
+  <line x1="80" y1="845" x2="130" y2="845" stroke="#ffcc66" stroke-width="2"/>
+  <text x="140" y="849" fill="#cccccc" font-size="10">Heater Zone (+)  — bright</text>
+  <line x1="80" y1="863" x2="130" y2="863" stroke="#ffcc66" stroke-width="2" opacity="0.4"/>
+  <text x="140" y="867" fill="#cccccc" font-size="10">Heater Zone (−)  — dim</text>
+  <line x1="80" y1="881" x2="130" y2="881" stroke="#44ffcc" stroke-width="2"/>
+  <text x="140" y="885" fill="#cccccc" font-size="10">TC J-type (+)  — bright</text>
+  <line x1="80" y1="899" x2="130" y2="899" stroke="#44ffcc" stroke-width="2" opacity="0.35"/>
+  <text x="140" y="903" fill="#cccccc" font-size="10">TC J-type (−)  — dim</text>
 
   <!-- Warning note -->
-  <rect x="280" y="765" width="340" height="42" rx="5" fill="#2a1500" stroke="#aa4400" stroke-width="1"/>
-  <text x="450" y="783" text-anchor="middle" fill="#ff8844" font-size="10" font-weight="bold">⚠  CAUTION</text>
-  <text x="450" y="799" text-anchor="middle" fill="#cc6622" font-size="9">Reversed TC polarity causes incorrect readings!</text>
+  <rect x="460" y="810" width="380" height="96" rx="5" fill="#2a1500" stroke="#aa4400" stroke-width="1"/>
+  <text x="650" y="830" text-anchor="middle" fill="#ff8844" font-size="11" font-weight="bold">⚠  CAUTION</text>
+  <text x="650" y="854" text-anchor="middle" fill="#cc6622" font-size="10">Reversed TC polarity causes</text>
+  <text x="650" y="872" text-anchor="middle" fill="#cc6622" font-size="10">incorrect temperature readings!</text>
+  <text x="650" y="896" text-anchor="middle" fill="#aa4400" font-size="9">Heater wires carry MAINS VOLTAGE — lock out before wiring</text>
 
 </svg>
\ No newline at end of file