diff --git a/ECTrainer2/BitalMonitor.cpp b/ECTrainer2/BitalMonitor.cpp
index ad8051b..7ec02a7 100644
--- a/ECTrainer2/BitalMonitor.cpp
+++ b/ECTrainer2/BitalMonitor.cpp
@@ -1,5 +1,6 @@
 #include "BitalMonitor.h"
 #include "ECTrainer.h"
+#include "Worker.h"
 #include "myWinUtils.h"
 
 // �R���X�g���N�^
@@ -27,13 +28,13 @@
 		if (readBytes < 1) continue;
 		//mwut::DebugPrintf(_T("check com %d\n"), com);
 		if ((*comBuf >= '0' && *comBuf <= '9') || *comBuf == '#' || *comBuf == LF) {
-			mwut::DebugPrintf(_T("Bital device found on com%d\n"), com);
+			_pEct->PWorker()->EventLog(_T("Bital device connected."));
 			_useDevice = true;
 			return true;
 		}
 	}
 
-	mwut::DebugPrintf(_T("Bital device not found\n"));
+	_pEct->PWorker()->EventLog(_T("Bital device not found."));
 	_useDevice = false;
 	return true;
 }
diff --git a/ECTrainer2/ECTrainerGUI.cpp b/ECTrainer2/ECTrainerGUI.cpp
index 20e66f5..3b70790 100644
--- a/ECTrainer2/ECTrainerGUI.cpp
+++ b/ECTrainer2/ECTrainerGUI.cpp
@@ -183,6 +183,8 @@
 
 	case (int)ECTMSG::MOVIE_START:
 		if (!_pEct->PDSMovie()->PlayMovie(_pEct->PStimulus()->GetMovie())) {
+			_pEct->PWorker()->EventLog((_T("Can't play movie file :") 
+				+ _pEct->PStimulus()->GetMovie()).c_str());
 			((BaseProcess*)_pEct->PWorker())->PostMsg(ECTMSG::SYSTEM_ERROR);
 		}
 		break;
diff --git a/ECTrainer2/SceneCamera.cpp b/ECTrainer2/SceneCamera.cpp
index 547f973..99ef7e0 100644
--- a/ECTrainer2/SceneCamera.cpp
+++ b/ECTrainer2/SceneCamera.cpp
@@ -4,6 +4,7 @@
 
 #include "ECTrainer.h"
 #include "SceneCamera.h"
+#include "Worker.h"
 #include "ECTrainerGUI.h"
 #include "MyWinUtils.h"
 
@@ -18,8 +19,10 @@
 	// ���E�J�����ɐڑ�
 #if defined(EYEDEVICE_GLASS2)
 	_SceneCam.open("rtsp://" TOBII_ADDR ":8554/live/scene");
+	_pEct->PWorker()->EventLog(_T("Tobii Glasses camera connected."));
 #elif defined(EYEDEVICE_NONE)
 	_SceneCam.open(0);
+	_pEct->PWorker()->EventLog(_T("Generic camera connected."));
 #endif
 	if (!_SceneCam.isOpened()) {
 		MessageBox(NULL, _T("cannot open camera " TOBII_ADDR), NULL, 0);
@@ -30,6 +33,7 @@
 	_SceneCam >> scene;
 	_sceneSize = scene.size();
 
+
 	return true;
 }
 
diff --git a/ECTrainer2/Stimulus.cpp b/ECTrainer2/Stimulus.cpp
index 47f49ad..31f787a 100644
--- a/ECTrainer2/Stimulus.cpp
+++ b/ECTrainer2/Stimulus.cpp
@@ -1,6 +1,7 @@
 #include "BaseProcess.h"
 #include "Stimulus.h"
 #include "ECTrainer.h"
+#include "Worker.h"
 
 // �R���X�g���N�^
 Stimulus::Stimulus(ECTrainer* pEct) : BaseProcess(pEct)
@@ -141,8 +142,9 @@
 	} else {
 		_cap.open(_StimInfoSet[newStimNo].smallmovie);
 		if (!_cap.isOpened()) {
-			mwut::DebugPrintf(_T("Can't open small movie file: %s\n"),
-				mwut::Multi2Wide(_StimInfoSet[newStimNo].filepath).c_str());
+			_pEct->PWorker()->EventLog((_T("Can't open small movie file: ") + 
+				mwut::Multi2Wide(_StimInfoSet[newStimNo].filepath)).c_str());
+
 			((BaseProcess*)_pEct->PWorker())->PostMsg(ECTMSG::SYSTEM_ERROR);
 			return false;
 		}
@@ -159,8 +161,8 @@
 bool Stimulus::SetImage(cv::String imageFile) {
 	auto img = cv::imread(imageFile);
 	if (img.empty()) {
-		mwut::DebugPrintf(_T("Can't open image file: %s\n"),
-			mwut::Multi2Wide(imageFile).c_str());
+		_pEct->PWorker()->EventLog((_T("Can't open image file: ") +
+			mwut::Multi2Wide(imageFile)).c_str());
 		((BaseProcess*)_pEct->PWorker())->PostMsg(ECTMSG::SYSTEM_ERROR);
 		return false;
 	}
diff --git a/ECTrainer2/Worker.cpp b/ECTrainer2/Worker.cpp
index 0ab37fe..79f88db 100644
--- a/ECTrainer2/Worker.cpp
+++ b/ECTrainer2/Worker.cpp
@@ -156,7 +156,7 @@
 	switch (msg.message) {
 
 	case (int)ECTMSG::SOFTWARE_START: // �\�t�g�E�F�A�N��
-		this->EventLog(_T("Software Start"));
+		this->EventLog(_T("\nSoftware Start"));
 		break;
 
 	case (int)ECTMSG::SOFTWARE_END: // �\�t�g�E�F�A�I��
@@ -226,23 +226,6 @@
 		((BaseProcess*)_pEct->PECTrainerGUI())->PostMsg(ECTMSG::MOVIE_STOP);
 		break;
 
-	//case (int)ECTMSG::MOVIE_START: // ������J�n
-	//	this->EventLog(_T("Movie Start"));
-	//	break;
-
-	//case (int)ECTMSG::MOVIE_STOP: // �������~
-	//	this->EventLog(_T("Movie Stopped"));
-	//	break;
-
-	//case (int)ECTMSG::MOVIE_END: // ������I��
-	//	this->EventLog(_T("Movie End"));
-	//	((BaseProcess*)_pEct->PStimulus())->PostMsg(ECTMSG::MOVIE_END);
-	//	break;
-
-	//case (int)ECTMSG::MOVIE_ERROR: // ����G���[
-	//	this->EventLog(_T("Movie Error"));
-	//	break;
-
 	case (int)ECTMSG::FB_OK: // �t�B�[�h�o�b�N�FOK
 		PlaySound(SOUND_OK, NULL, SND_FILENAME | SND_ASYNC);
 		//this->EventLog(_T("Feedback OK"));
diff --git a/ECTrainer2/Worker.h b/ECTrainer2/Worker.h
index c92fe80..906f7d0 100644
--- a/ECTrainer2/Worker.h
+++ b/ECTrainer2/Worker.h
@@ -41,9 +41,6 @@
 	RingBuffer<cv::Mat> _FullScreenImage;	// �S��ʗp�摜
 	int _FBLevel;			// �t�B�[�h�o�b�N���x�� 1�`5
 	bool _IsInside;			// �������^�[�Q�b�g�ɂ��邩
-
-	// �C�x���g���O�o��
-	void EventLog(const TCHAR* msg);
 	// ��{����
 	bool Routine();
 	// �C�x���g����
@@ -68,4 +65,6 @@
 	bool IsNewFullScreenImg() { return _FullScreenImage.IsNew(); }
 	// �S��ʉ摜�擾
 	cv::Mat GetFullScreenImg() { return _FullScreenImage.Get(); }
+	// �C�x���g���O�o��
+	void EventLog(const TCHAR* msg);
 };