You can select an auto measurement interval of either five seconds or two minutes.

1.Pull out the crown.

2.Press (B).

3.Rotate the crown to select [0’05] or [2’00] as the auto measurement interval.

[0’05]: Readings taken every second for the first three minutes, and then every five seconds for about the next one hour.

[2’00]: Readings taken every second for the first three minutes, and then every two minutes for about the next 12 hours.

4.Push the crown back in to complete the setting operation.