Measurement screen
Operation buttons
Button Operation
Explanation
A
Short press
You can display up to four measurement screens and switch the
screens using this button.
Long press (two
seconds or more)
Displays the time screen.
Not available while measuring.
B
Short press
Turns the light on or off. The light turns on for approximately 10
seconds.
Long press (two
seconds or more)
Displays the
Measure set.
menu.
Not available while measuring.
C
Short press
Starts, stops, or resumes measuring.
Long press (two
seconds or more)
Displays the time screen.
Displays the time screen if you use reset* while measuring is stopped.
Not available while measuring.
D
Short press
Records laps while measuring.
Long press (two
seconds or more)
Resets* while measuring is stopped.
Not available while measuring.
*
When you reset the display, it returns to the status before measuring started allowing you to start the next
measurement. Data that has been measured up to that point is stored in the device's memory.
SF-810 User Manual
Preparing and Basic Operations
18