Napájanie a automatické vypnutie testera hladiny zvuku
1. Stlačením tlačidla POWER zapnite glukomer.
2. Opätovným stlačením tlačidla POWER vypnete glukomer.
3. The meter has an automatic power off feature that conserves battery energy. After 10 minutes the meter automatically shuts off.
4. To press and hold the H button to turn the meter on, the auto power off function will be cancelled. and the icon disappears.
