Garmin APPROACH S40 Owner's Manual page 11

Cleaning the Device
Even small amounts of sweat or moisture can cause corrosion
of the electrical contacts when connected to a charger.
Corrosion can prevent charging and data transfer.
1
Wipe the device using a cloth dampened with a mild
detergent solution.
2
Wipe it dry.
After cleaning, allow the device to dry completely.
TIP: For more information, go to www.garmin.com/fitandcare.
Long-Term Storage
When you do not plan to use the device for several months, you
should charge the battery to at least 50% before you store the
device. You should store the device in a cool, dry place with
temperatures around the typical household level. After storage,
you should fully recharge the device before using it.
Specifications
Battery type
Battery life
Water rating
Operating temperature range From -20º to 60ºC (from -4º to 140ºF)
Charging temperature range From 0º to 45ºC (from 32º to 113ºF)
Wireless frequency/protocol
*The device withstands pressure equivalent to a depth of 50 m.
For more information, go to www.garmin.com/waterrating.
Device Information
NOTICE
Rechargeable, built-in lithium-ion battery
Up to 10 days in watch mode
Up to 15 hr. in GPS mode
5 ATM*
2.4 GHz @ 3.13 dBm nominal
7