diff --git a/script/device/Pixel.py b/script/device/Pixel.py
index a543a8f..d28a6df 100644
--- a/script/device/Pixel.py
+++ b/script/device/Pixel.py
@@ -18,8 +18,17 @@ class Pixel(DeviceBase, Readable):
     def get_image_filename(self):
           return self.image_root_folder + caget(self.prefix + ":PATHa") + caget(self.prefix + ":PATHb") + caget(self.prefix + ":FNAM") 
 
+    def get_next_image_filename(self):
+          return self.image_root_folder + caget(self.prefix + ":PATHa") + caget(self.prefix + ":PATHb") + ( self.get_image_format() % (self.get_count_id()+1))
+
+    def get_image_format(self):
+        return caget(self.prefix + ":FNAM_FMT")
+              
+    def set_image_format(self, fmt):
+        caput(self.prefix + ":FNAM_FMT", fmt)
+
     def get_count_id(self):
-          return caget (self.prefix + ":FNUM", 'i') - 1    
+          return caget (self.prefix + ":FNUM", 'i') 
             
     def doUpdate(self):
         pass