diff --git a/main.cpp b/main.cpp
index 7df1c81..fb84a50 100755
--- a/main.cpp
+++ b/main.cpp
@@ -219,6 +219,7 @@ int main(int argc, char* argv[])
                 cout << "tlak = " << pressure << endl;
             }
 
+
             if (vm.count("temperature")) {
                 cout << temperature << endl;
             }
@@ -233,38 +234,45 @@ int main(int argc, char* argv[])
 
             return 0;
         }
-        
+
         if (vm.count("brightness")) {
-            serial.writeString(str(format("bright %d\r\n") % brightness));
+            string s = str(format("bright %d\r\n") % brightness);
+            BOOST_LOG_TRIVIAL(debug) << "SET " << s ;
+            serial.writeString(s);
+            boost::this_thread::sleep(posix_time::milliseconds(100));
         }
         
         if (vm.count("saturation")) {
-            serial.writeString(str(format("satur %d\r\n") % saturation));
+            string s = str(format("satur %d\r\n") % saturation);
+            BOOST_LOG_TRIVIAL(debug) << "SET " << s ;
+            serial.writeString(s);
+            boost::this_thread::sleep(posix_time::milliseconds(100));
         }
 
         if (vm.count("contrast")) {
-            serial.writeString(str(format("contr %d\r\n") % contrast));
+            string s = str(format("contr %d\r\n") % contrast);
+            BOOST_LOG_TRIVIAL(debug) << "SET " << s ;
+            serial.writeString(s);
+            boost::this_thread::sleep(posix_time::milliseconds(100));
         }
-
-
+        
         if (vm.count("capture")) {
             
 
             serial.writeString("capture\r\n");
             boost::this_thread::sleep(posix_time::milliseconds(100));
-
             serial.setTimeout(posix_time::milliseconds(500));
 
             try {
-                for (;;) {
-                    line = serial.readStringUntil("\r\n");
-                    if (line.rfind("[OK]",0) == 0) 
-                        cout << line << endl;
-                }
-            } catch (...) {
+                        for (;;) {
+                            line = serial.readStringUntil("\r\n");
+                            if (line.rfind("[OK]",0) == 0) 
+                                cout << line << endl;
+                        }
+                    } catch (...) {
 
             }
-            
+
             serial.writeString("rb\r\n");
             boost::this_thread::sleep(posix_time::milliseconds(100));