diff --git a/config/config.json b/config/config.json
index cdf38aa2..4caaf8bc 100644
--- a/config/config.json
+++ b/config/config.json
@@ -8,24 +8,24 @@
     "display": {
         "hardware": {
             "rows": 32,
-            "cols": 32,
+            "cols": 64,
             "chain_length": 2,
             "parallel": 1,
             "brightness": 50,
             "hardware_mapping": "adafruit-hat-pwm",
             "scan_mode": "progressive",
             "pwm_bits": 11,
-            "pwm_dither_bits": 2,
+            "pwm_dither_bits": 0,
             "pwm_lsb_nanoseconds": 130,
             "led_rgb_sequence": "RGB",
-            "pixel_mapper_config": "U-mapper;Rotate:180",
-            "panel_type": "FM6126A",
+            "pixel_mapper_config": "Rotate:180",
+            "panel_type": "",
             "row_addr_type": 0,
             "multiplexing": 0,
             "disable_hardware_pulsing": true,
             "inverse_colors": false,
             "show_refresh_rate": false,
-            "limit_refresh_rate_hz": 120
+            "limit_refresh_rate_hz": 0
         },
         "runtime": {
             "gpio_slowdown": 4
diff --git a/src/display_manager.py b/src/display_manager.py
index 8b36421b..60c2d854 100644
--- a/src/display_manager.py
+++ b/src/display_manager.py
@@ -35,7 +35,7 @@ class DisplayManager:
         # Hardware configuration
         hardware_config = self.config.get('hardware', {})
         options.rows = hardware_config.get('rows', 32)
-        options.cols = hardware_config.get('cols', 64)
+        options.cols = hardware_config.get('cols', 32)  # Each panel is 32 columns
         options.chain_length = hardware_config.get('chain_length', 2)
         options.parallel = hardware_config.get('parallel', 1)
         options.hardware_mapping = hardware_config.get('hardware_mapping', 'adafruit-hat-pwm')
@@ -49,21 +49,22 @@ class DisplayManager:
         options.multiplexing = hardware_config.get('multiplexing', 0)
         options.disable_hardware_pulsing = hardware_config.get('disable_hardware_pulsing', True)
         options.show_refresh_rate = hardware_config.get('show_refresh_rate', False)
-        options.limit_refresh_rate_hz = hardware_config.get('limit_refresh_rate_hz', 100)
+        options.limit_refresh_rate_hz = hardware_config.get('limit_refresh_rate_hz', 120)
 
         # Runtime configuration
         runtime_config = self.config.get('runtime', {})
-        options.gpio_slowdown = runtime_config.get('gpio_slowdown', 3)
+        options.gpio_slowdown = runtime_config.get('gpio_slowdown', 4)
         logger.info("Setting GPIO slowdown to: %d", options.gpio_slowdown)
 
         # Initialize the matrix
         logger.info("Initializing RGB matrix with options...")
         self.matrix = RGBMatrix(options=options)
         logger.info("RGB matrix initialized successfully")
+        logger.info(f"Matrix dimensions: {self.matrix.width}x{self.matrix.height}")
         
-        # Apply rotation if specified
-        self.rotation = hardware_config.get('rotation', 0)
-        logger.info("Display rotation set to: %d degrees", self.rotation)
+        # Create image with full chain width
+        self.image = Image.new('RGB', (self.matrix.width, self.matrix.height))
+        self.draw = ImageDraw.Draw(self.image)
 
     def _draw_text(self, text, x, y, font, color=(255, 255, 255)):
         """Draw text on the canvas."""
@@ -75,9 +76,22 @@ class DisplayManager:
         self.draw.rectangle((0, 0, self.matrix.width, self.matrix.height), fill=(0, 0, 0))
         self.matrix.SetImage(self.image)
 
-    def draw_text(self, text: str, x: int, y: int, color: tuple = (255, 255, 255)):
-        """Draw text on the display."""
+    def draw_text(self, text: str, x: int = None, y: int = None, color: tuple = (255, 255, 255)):
+        """Draw text on the display with automatic centering."""
         self.clear()
+        
+        # Get text size
+        text_bbox = self.draw.textbbox((0, 0), text, font=self.font)
+        text_width = text_bbox[2] - text_bbox[0]
+        text_height = text_bbox[3] - text_bbox[1]
+        
+        # Calculate center position if not specified
+        if x is None:
+            x = (self.matrix.width - text_width) // 2
+        if y is None:
+            y = (self.matrix.height - text_height) // 2
+            
+        logger.info(f"Drawing text '{text}' at position ({x}, {y})")
         self.draw.text((x, y), text, font=self.font, fill=color)
         self.matrix.SetImage(self.image)