SUUNTO SMART SENSOR - Manual (Page 11)

5 CARE AND SUPPORT
5.1 Handling guidelines
Both the Suunto Smart Sensor module and belt should be rinsed
with fresh water after each use.
CAUTION: Do not pull the Suunto Smart Sensor module off the
belt. This may damage the belt connectors. Unsnap one side at a
time.
The belt should be machine washed in 40° C after every 2-3
exercises. See the belt tag for further washing instructions.
CAUTION: Do not machine wash the Suunto Smart Sensor
module. Machine washing damages the module.
NOTE: You do not need to replace the Suunto Smart Sensor
module; only the Suunto Smart Sensor belt may eventually need
replacing after extended use.
5.2 Troubleshooting
The transmission range of the Suunto Smart Sensor can be three
meters or more under ideal conditions.
However, for best results, minimize obstructions between the
Suunto Smart Sensor and your sports watch or mobile device. Keep
the watch or mobile in front of you or to one side in a pocket or on
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