Measuring workouts
This device uses positional and time information received from GPS satellites to measure your distance, pace, and
routes.
You can also measure split times and lap times during GPS measuring sessions.
Split time
Measures the elapsed time from the start.
Press the
START/STOP
button to start
measuring. Press the
START/STOP
button
again to stop the measuring.
START/STOP
START/STOP
Lap time
Records the elapsed time for each lap.
Press the
ENTER
button during a
measurement to record your lap time.
START/STOP
ENTER
START/STOP
ENTER
ENTER
Note
When using the AT Lap function, laps are recorded automatically each time the preconfigured distance is reached.
U
“Recording laps automatically (AT Lap)” on page 39
Measurable activities
Workout
Explanation
Run
Jogging, running, marathons, etc.
Walk
Walking
Treadmill
Using a treadmill indoors
Measurable items
Workout
Explanation
Split Time (Time)
Total time from the start of measurements
Distance (Dist.)
Total distance from the start of measurements
Pace (Pace)
Current pace (time per kilometer/mile)
Lap Time (LapTime)
Average lap time
J-57 User Manual
Measuring Your Workout
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