4.2.4 Buttons
Figure 4-5 Schematic diagram of buttons
1. Startup indicator
It lights in green after turning on the device.
2. Power status indicator
Green indicates that the AC power supply is used. At this time, there is no battery in the device
or the battery is full. Red and green two colors indicate that the battery is being charged.
3. MENU
Menu button
4. MODE
When the device in sampling interface, use MODE button to select the print mode.
5. 1mV
Calibration button
6. PRINT
Print the sampled ECG waveform or end the printing.
7. Direction button
Up button
8. Direction button
Right button
9. SET
System menu and confirm.
10. Direction button
Down button
11. Direction button
Left button
12. FILTER
Set the filter mode.
13. SPEED
Change the ECG recording speed
14. SEN
Adjust the sensitivity manually.
15. ON/OFF
11