1. Press the red button for 3seconds to open the device.
2. After 30 seconds the device is switched on, the green light
flickersand start sampling.
3. When the battery is in low voltage, the red light flickers
andbuzzer rings quickly 10 seconds and then power off.
4. When the device is being charged, the indicate light
becomesorange.
5. Press the red button 3 seconds to switch off the device.
6. When the device is under low voltage, the red light will flicker
7. The red light flickers every 30s when the device is in low
power.
8. The indicate light becomes green when the charging is finished
9. Sample flux: 0.3-0.5 litre/minute.