Biogents BG-CO2-Timer Mode D'emploi page 51

Start time 1
After setting up the current time, press button 3. "S1" (Start
time 1) appears in the display.
Set the first start time with buttons 1 and 2 as described
previously.
S1
1
Increase time
2
Decrease time
Start set-up of
3
start time 1
3
1 2