diff --git a/_pyren_launcher.py b/_pyren_launcher.py
index d3d3d8d..0adb131 100755
--- a/_pyren_launcher.py
+++ b/_pyren_launcher.py
@@ -185,11 +185,11 @@ class settings():
     lang = 'RU'
     speed = '38400'
     logName = 'log.txt'
-    log = False
+    log = True
     cfc = False
     n1c = False
     si = False
-    dump = False
+    dump = True
     can2 = False
     options = ''
 
diff --git a/pyren/mod_ecu.py b/pyren/mod_ecu.py
index a8007cc..136e0bd 100755
--- a/pyren/mod_ecu.py
+++ b/pyren/mod_ecu.py
@@ -502,7 +502,10 @@ class ECU:
 
       if not (mod_globals.opt_csv and mod_globals.opt_csv_only):
         newScreen = initScreen
-        header =  'ECU : '+self.ecudata['ecuname']+'   (RT:'+'{0:.4f}'.format(self.elm.response_time)+')   '+self.ecudata['doc']+'\n'
+        connectionData = ('   (RT:'+'{0:.4f}'.format(self.elm.response_time)+ ' ' 
+                            + 'RR:' + '{:>5.1f}'.format(self.elm.getRefreshRate()) +')   ')
+        
+        header =  'ECU : '+self.ecudata['ecuname']+ connectionData +self.ecudata['doc']+'\n'
         header = header + "Screen : "+path
         newScreen = newScreen + pyren_encode( header ) + '\n'
       
diff --git a/pyren/mod_elm.py b/pyren/mod_elm.py
index d6275fb..3e62571 100644
--- a/pyren/mod_elm.py
+++ b/pyren/mod_elm.py
@@ -530,6 +530,7 @@ class ELM:
     error_can = 0
     
     response_time = 0
+    screenRefreshTime = 0
 
     buff = ""
     currentprotocol = ""
@@ -1758,6 +1759,8 @@ class ELM:
 
         roundtrip = tc - tb
 
+        self.screenRefreshTime += roundtrip
+
         self.response_time = ((self.response_time * 9) + roundtrip) / 10
 
         # save responce to log
@@ -2027,6 +2030,16 @@ class ELM:
                 if not '?' in resp and resp[2:4] != '7F':
                     self.performanceModeLevel = level
                     return
+
+    def getRefreshRate(self):
+        refreshRate = 0
+
+        if not self.screenRefreshTime:
+            return refreshRate
+        
+        refreshRate = 1 / self.screenRefreshTime
+        self.screenRefreshTime = 0
+        return refreshRate
     
     def reset_elm(self):
         self.cmd ("at z")