diff --git a/sample/src/main/assets/7seg.png b/sample/src/main/assets/7seg.png
new file mode 100644
index 0000000..d18f711
Binary files /dev/null and b/sample/src/main/assets/7seg.png differ
diff --git a/sample/src/main/assets/7seg.traineddata b/sample/src/main/assets/7seg.traineddata
new file mode 100644
index 0000000..7e68309
Binary files /dev/null and b/sample/src/main/assets/7seg.traineddata differ
diff --git a/sample/src/main/java/cz/adaptech/tesseract4android/sample/Assets.java b/sample/src/main/java/cz/adaptech/tesseract4android/sample/Assets.java
index 5be4979..4fe7233 100644
--- a/sample/src/main/java/cz/adaptech/tesseract4android/sample/Assets.java
+++ b/sample/src/main/java/cz/adaptech/tesseract4android/sample/Assets.java
@@ -62,6 +62,8 @@ public class Assets {
         String[] filesToExtract = new String[]{
                 "eng.traineddata",
                 "sample.jpg",
+                "7seg.traineddata",
+                "7seg.png",
         };
         for (String assetName : filesToExtract) {
             final File targetFile;
diff --git a/sample/src/main/java/cz/adaptech/tesseract4android/sample/Config.java b/sample/src/main/java/cz/adaptech/tesseract4android/sample/Config.java
index d0f81a2..e7a80fe 100644
--- a/sample/src/main/java/cz/adaptech/tesseract4android/sample/Config.java
+++ b/sample/src/main/java/cz/adaptech/tesseract4android/sample/Config.java
@@ -6,7 +6,7 @@ public class Config {
 
 	public static final int TESS_ENGINE = TessBaseAPI.OEM_LSTM_ONLY;
 
-	public static final String TESS_LANG = "eng";
+	public static final String TESS_LANG = "7seg";
 
-	public static final String IMAGE_NAME = "sample.jpg";
+	public static final String IMAGE_NAME = "7seg.png";
 }
diff --git a/sample/src/main/java/cz/adaptech/tesseract4android/sample/ui/main/MainViewModel.java b/sample/src/main/java/cz/adaptech/tesseract4android/sample/ui/main/MainViewModel.java
index b79c497..c52015a 100644
--- a/sample/src/main/java/cz/adaptech/tesseract4android/sample/ui/main/MainViewModel.java
+++ b/sample/src/main/java/cz/adaptech/tesseract4android/sample/ui/main/MainViewModel.java
@@ -97,7 +97,8 @@ public class MainViewModel extends AndroidViewModel {
             // tessApi.setImage(imageBitmap);
 
             // Set page segmentation mode (default is PSM_SINGLE_BLOCK)
-            tessApi.setPageSegMode(TessBaseAPI.PageSegMode.PSM_AUTO_OSD);
+            tessApi.setPageSegMode(TessBaseAPI.PageSegMode.PSM_RAW_LINE);
+            tessApi.setVariable(TessBaseAPI.VAR_CHAR_WHITELIST, "01:23456789");
 
             long startTime = SystemClock.uptimeMillis();