diff --git a/grayscale.py b/grayscale.py
index 10422a3..db08d86 100644
--- a/grayscale.py
+++ b/grayscale.py
@@ -26,8 +26,8 @@ class Robot8BW(GrayscaleSSTV):
 	VIS_CODE = 0x02
 	WIDTH = 160
 	HEIGHT = 120
-	SYNC = 10
-	SCAN = 56
+	SYNC = 7
+	SCAN = 60
 
 
 class Robot24BW(GrayscaleSSTV):