diff --git a/.env.development b/.env.development
index 2e56fc1..2ad9eee 100644
--- a/.env.development
+++ b/.env.development
@@ -6,6 +6,6 @@ NEXT_PUBLIC_USE_MOCK_BACKEND_LOOP_START=false
 NEXT_PUBLIC_EXPORT_STATIC=false
 NEXT_PUBLIC_USE_CGI=false
 # App-Versionsnummer
-NEXT_PUBLIC_APP_VERSION=1.6.647
+NEXT_PUBLIC_APP_VERSION=1.6.648
 NEXT_PUBLIC_CPL_MODE=json   # json (Entwicklungsumgebung) oder jsSimulatedProd (CPL ->CGI-Interface-Simulator) oder production (CPL-> CGI-Interface Platzhalter)
 
diff --git a/.env.production b/.env.production
index dcc065d..4b37b67 100644
--- a/.env.production
+++ b/.env.production
@@ -5,5 +5,5 @@ NEXT_PUBLIC_CPL_API_PATH=/CPL
 NEXT_PUBLIC_EXPORT_STATIC=true
 NEXT_PUBLIC_USE_CGI=true
 # App-Versionsnummer
-NEXT_PUBLIC_APP_VERSION=1.6.647
+NEXT_PUBLIC_APP_VERSION=1.6.648
 NEXT_PUBLIC_CPL_MODE=production
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1e39824..65ea08b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+## [1.6.648] – 2025-07-24
+
+- TDR und Schleife Button in KÜs wieder für die Funktionen
+
+---
 ## [1.6.647] – 2025-07-24
 
 - feat:
diff --git a/components/main/kabelueberwachung/kue705FO/Kue705FO.tsx b/components/main/kabelueberwachung/kue705FO/Kue705FO.tsx
index d4ef71d..745bde9 100644
--- a/components/main/kabelueberwachung/kue705FO/Kue705FO.tsx
+++ b/components/main/kabelueberwachung/kue705FO/Kue705FO.tsx
@@ -385,13 +385,13 @@ const Kue705FO: React.FC<Kue705FOProps> = ({
             {/* TDR and KVz Buttons */}
             <div className="flex space-x-2 p-1">
               <button
-                onClick={() => handleButtonClick("TDR", setActiveButton)}
+                onClick={openChartModal}
                 className=" bg-littwin-blue text-white text-[0.625rem] flex items-center justify-center p-2"
               >
                 TDR
               </button>
               <button
-                onClick={() => handleButtonClick("KVz", setActiveButton)}
+                onClick={openChartModal}
                 className="bg-littwin-blue text-white text-[0.625rem] flex items-center justify-center p-2"
               >
                 KVz
diff --git a/package-lock.json b/package-lock.json
index 6e31db2..5588dfd 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "cpl-v4",
-  "version": "1.6.647",
+  "version": "1.6.648",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "cpl-v4",
-      "version": "1.6.647",
+      "version": "1.6.648",
       "dependencies": {
         "@fontsource/roboto": "^5.1.0",
         "@headlessui/react": "^2.2.4",
diff --git a/package.json b/package.json
index 648f581..4ca15c3 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "cpl-v4",
-  "version": "1.6.647",
+  "version": "1.6.648",
   "private": true,
   "scripts": {
     "dev": "next dev",