438.4. Deleting Measurement DataPurpose of operation and explanation of functionMeasurement data is deleted but settings are not deleted.The initial settings can be configured using the following methods.The method to use switches on the recorder.The method to use dedicated peripheral that is connected to therecorder using the USB cable.If measurement data is deleted, it cannot be used again.Backup data before deletion.Delete measurement data of last patient before next patientuses the recorder.Several minutes may be needed to delete data.Keep no-operation to delete data correctly.Procedure of operation using switchesStep 1. If the indication of the display is hidden, press the START/STOPor EVENT switch to return to the display of waiting mode.Step 2. If the mark is shown, press and hold the EVENT switch for3 seconds or more to suspend A-BPM.The mark turns off.Step 3. While holding the START/STOP switch, press and hold theEVENT switch for 9 seconds or more.DataClear will be displayed on the OLED display.Step 4. Press and hold the START/STOP switch for 3 seconds or more.Deletion of data will begin. Erasing will be displayed underDataClear on the OLED display.Several minutes may be needed to delete data.Step 5. After the deletion, the recorder returns to waiting mode.