diff --git a/libsrc/hyperhdrbase/schema/schema-systemGrabber.json b/libsrc/hyperhdrbase/schema/schema-systemGrabber.json
index eae6cc572..4f86db34f 100644
--- a/libsrc/hyperhdrbase/schema/schema-systemGrabber.json
+++ b/libsrc/hyperhdrbase/schema/schema-systemGrabber.json
@@ -18,7 +18,7 @@
 			"format": "stepper",
 			"title" : "edt_conf_stream_max_resolution_title",
 			"default" : 512,
-			"minimum" : 196,
+			"minimum" : 16,
 			"maximum" : 640,						
 			"append" : "edt_append_pixel",
 			"required" : true,
@@ -31,7 +31,7 @@
 			"title" : "edt_conf_stream_framerate_title",
 			"default" : 10,
 			"minimum" : 5,
-			"maximum" : 30,
+			"maximum" : 120,
 			"append" : "fps",			
 			"required" : true,
 			"propertyOrder" : 10