User Manual for PC-80D Easy ECG Monitor11 Overview1.1 Appearance1. Power: Long time press (about 2 seconds) makes the device power on or off; short timepress turns on/off the backlight.2. Back: back to upper level of menu.3. Metal Electrode I4. Measurement: shortcut button for built-in electrodes measuring, press this button to startmeasuring.5. ▇ O K :confirm selection or modification.6. Navigation key:Left: move the cursor forwards/to the left, or adjust parameter values.Right: move the cursor backwards/to the right, or adjust parameter values.Up: move the cursor upward/forward, or adjust parameter values.Down: move the cursor downwards /backward, or adjust parameter values.7. Display screen: display ECG waveforms and data.8. I/O cover9. Lanyard hole10. USB interface: USB data socket.11. DC input socket12. :Lead wire socket: for connecting to lead wire.13. Speaker14. Metal electrode II and III15. Battery cover, nameplateFigure1-1