About The Battery; See "System Set. Options" On - Epson RUNSENSE SF-810 User Manual

The Time screen is displayed.

About the battery

You can check how much charge remains from the battery icon below the time display.
Battery icon
GPS On
Pulse (Heart rate) On
Hours
remaining*
GPS On
Pulse (Heart rate) Off
* Approximate battery life remaining while in Chronograph mode.
Actual battery life will vary.
c Important:
If the product is left for a long time with a low battery, the performance of the rechargeable battery will deteriorate.
Make sure you charge the product at least once every six months even when it is not being used.
Note:
If the battery runs out, the measurement data is still stored in the memory.The date and time may reset, and the Date may
need to be manually re-entered.
Setting up your SF-810
Note:
O When you do not use the product for a while, it
O If time synchronization fails, the signal from the
20 to 14 hours 14 to 8 hours
24 to 17 hours 17 to 10 hours
18
enters sleep mode and the time display turns off.
The display is restored the next time you move the
product.
GPS may not be being received properly. Set the
Time Adjust option in the Sys. Settings menu.
See "System Set. options" on page 76.
8 to 2 hours
10 to 3 hours
2 to 0 hours
3 to 0 hours