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@@ -394,6 +394,8 @@ static bool saved_extruder_relative_mode = false;
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static int saved_fanSpeed = 0; //!< Print fan speed
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//! @}
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+static int saved_feedmultiply_mm = 100;
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+
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//===========================================================================
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//=============================Routines======================================
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//===========================================================================
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@@ -6078,12 +6080,20 @@ Sigma_Exit:
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SERIAL_ECHOLN("");
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}break;
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#endif
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+
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case 220: // M220 S<factor in percent>- set speed factor override percentage
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{
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- if(code_seen('S'))
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+ if (code_seen('B')) //backup current speed factor
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{
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+ saved_feedmultiply_mm = feedmultiply;
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+ }
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+ if(code_seen('S'))
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+ {
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feedmultiply = code_value() ;
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}
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+ if (code_seen('R')) { //restore previous feedmultiply
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+ feedmultiply = saved_feedmultiply_mm;
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+ }
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}
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break;
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case 221: // M221 S<factor in percent>- set extrude factor override percentage
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