15
MAINTANANCE
15.1 Low battery alert
When the battery is running low, Marathon watch will flash the battery icon
time to replace new battery. "When the battery is running low, Marathon watch will flash the
battery icon to indicate time to replace new battery.
Replace the battery as soon as possible when the battery icon is flashing.
When the "LOW BATTERY" message is prompted in second row of display, the sport exercise/
altimeter and temperature measurement will stop operating until new battery is replaced.
15.2 Battery replacement
We highly recommend the battery replacement is done by watch/jewellery shop unless
user has skill or experience to do it himself/herself but special care must be taken during
replacement.
- Unscrew 4 pieces screws on rear case back with suitable cross type screw driver
- After removing the case back, use a small tool (tweezer) to detach the battery securing
plate.
Beware touching the pressure sensor & its cabling with the small tool.s tip.
- Insert new battery (CR2032), make sure the battery polarity is correct (+VE facing up
whereas .VE facing down)
to indicate