It is flashing to remind you that is time for service. Original ones had a button on the back to reset it; newer ones did it automatically after an hour or two.
If you mean the red dot below the digital hour meter, it's telling you that the charging system isn't throwing enough voltage to operate the electric PTO and charge the battery efficiently.
It depends on the mower, but some go 2 miles an hour.
convert 1bar to meter cube per hour
0.0002777 meter per second
You divide by 3600 - since an hour has 3600 seconds.
1 meter per second = 3.6 kilometers per hour
You can accomplish this by removing one lead from the back of the hour meter. It will be a DC voltage circuit.
1 meter per second = 3,600 meters per hour = 2.237miles per hour. (rounded)
It will hit around 100 miles per hour
You multiply by the number of feeds per meter and by the number of minutes per hour.
(1 mile/sec) x (3,600 sec/hour) x (1,609.344 meter/mile) = 5,793,638 meter/hour
11 gallons per hour