diff --git a/sd-card/html/readconfigparam.js b/sd-card/html/readconfigparam.js
index 55332573..fd9632e4 100644
--- a/sd-card/html/readconfigparam.js
+++ b/sd-card/html/readconfigparam.js
@@ -162,11 +162,11 @@ function ParseConfig() {
      ParamAddValue(param, catname, "AnalogDigitalTransitionStart", 1, true);
      ParamAddValue(param, catname, "PreValueUse");
      ParamAddValue(param, catname, "PreValueAgeStartup");
-     ParamAddValue(param, catname, "AllowNegativeRates", 1, true);
+     ParamAddValue(param, catname, "AllowNegativeRates", 1, true, "true");
      ParamAddValue(param, catname, "MaxRateValue", 1, true);
      ParamAddValue(param, catname, "MaxRateType", 1, true);
-     ParamAddValue(param, catname, "ExtendedResolution", 1, true);
-     ParamAddValue(param, catname, "IgnoreLeadingNaN", 1, true);
+     ParamAddValue(param, catname, "ExtendedResolution", 1, true, "false");
+     ParamAddValue(param, catname, "IgnoreLeadingNaN", 1, true, "false");
      ParamAddValue(param, catname, "ErrorMessage");
      ParamAddValue(param, catname, "CheckDigitIncreaseConsistency");     
 
@@ -212,12 +212,12 @@ function ParseConfig() {
      category[catname]["enabled"] = false;
      category[catname]["found"] = false;
      param[catname] = new Object();
-     ParamAddValue(param, catname, "IO0", 6, false, [null, null, /^[0-9]*$/, null, null, /^[a-zA-Z0-9_-]*$/]);
-     ParamAddValue(param, catname, "IO1", 6, false, [null, null, /^[0-9]*$/, null, null, /^[a-zA-Z0-9_-]*$/]);
-     ParamAddValue(param, catname, "IO3", 6, false, [null, null, /^[0-9]*$/, null, null, /^[a-zA-Z0-9_-]*$/]);
-     ParamAddValue(param, catname, "IO4", 6, false, [null, null, /^[0-9]*$/, null, null, /^[a-zA-Z0-9_-]*$/]);
-     ParamAddValue(param, catname, "IO12", 6, false, [null, null, /^[0-9]*$/, null, null, /^[a-zA-Z0-9_-]*$/]);
-     ParamAddValue(param, catname, "IO13", 6, false, [null, null, /^[0-9]*$/, null, null, /^[a-zA-Z0-9_-]*$/]);
+     ParamAddValue(param, catname, "IO0", 6, false, "", [null, null, /^[0-9]*$/, null, null, /^[a-zA-Z0-9_-]*$/]);
+     ParamAddValue(param, catname, "IO1", 6, false, "",  [null, null, /^[0-9]*$/, null, null, /^[a-zA-Z0-9_-]*$/]);
+     ParamAddValue(param, catname, "IO3", 6, false, "",  [null, null, /^[0-9]*$/, null, null, /^[a-zA-Z0-9_-]*$/]);
+     ParamAddValue(param, catname, "IO4", 6, false, "",  [null, null, /^[0-9]*$/, null, null, /^[a-zA-Z0-9_-]*$/]);
+     ParamAddValue(param, catname, "IO12", 6, false, "",  [null, null, /^[0-9]*$/, null, null, /^[a-zA-Z0-9_-]*$/]);
+     ParamAddValue(param, catname, "IO13", 6, false, "",  [null, null, /^[0-9]*$/, null, null, /^[a-zA-Z0-9_-]*$/]);
      ParamAddValue(param, catname, "LEDType");
      ParamAddValue(param, catname, "LEDNumbers");
      ParamAddValue(param, catname, "LEDColor", 3);
@@ -325,12 +325,13 @@ function ParseConfig() {
 }
 
 
-function ParamAddValue(param, _cat, _param, _anzParam = 1, _isNUMBER = false, _checkRegExList = null){
+function ParamAddValue(param, _cat, _param, _anzParam = 1, _isNUMBER = false, _defaultValue = "", _checkRegExList = null){
      param[_cat][_param] = new Object(); 
      param[_cat][_param]["found"] = false;
      param[_cat][_param]["enabled"] = false;
      param[_cat][_param]["line"] = -1; 
      param[_cat][_param]["anzParam"] = _anzParam;
+     param[_cat][_param]["defaultValue"] = _defaultValue;
      param[_cat][_param]["Numbers"] = _isNUMBER;
      param[_cat][_param].checkRegExList = _checkRegExList;
 };
@@ -769,8 +770,18 @@ function CreateNUMBER(_numbernew){
                          _ret[_cat] = new Object();
                     }
                     _ret[_cat][_param] = new Object();
-                    _ret[_cat][_param]["found"] = false;
-                    _ret[_cat][_param]["enabled"] = false;
+                    if (param[_cat][_param]["defaultValue"] === "")
+                    {
+                         _ret[_cat][_param]["found"] = false;
+                         _ret[_cat][_param]["enabled"] = false;
+                    }
+                    else
+                    {
+                         _ret[_cat][_param]["found"] = true;
+                         _ret[_cat][_param]["enabled"] = true;
+                         _ret[_cat][_param]["value1"] = param[_cat][_param]["defaultValue"];
+
+                    }
                     _ret[_cat][_param]["anzParam"] = param[_cat][_param]["anzParam"]; 
 
                }