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STORINGM400:Keep your trainingdevice in a cool and dry place. Do not keepit ina damp environment,in non-breath-
ablematerial (aplastic bagor a sports bag)nor with conductive material (aw et towel). Do not expose the train-
ingdevice to direct sunlightfor extendedperiods, such asby leaving it in acar or mountedon the bikemount.
It is recommendedto store the trainingdevice partially or fully charged. The batterys lowly loses its c harge
whenit is stored.If you are going to store the trainingdevice for several months, it is recommendedto
rechargeit after a few months. This will prolong the batterylif etime.
Heartrate sensor: Dry and storet heheart rate sensor strap andthe connector separatelyto maximize t he
batterylifetime. Keep the heart rates ensorin a cool and dry place. To prevents napoxidation, do not store the
heartrate sensorw et in non-breathingmaterial,such as a sports bag. Do not expose the heart rates ensorto
directsunlight for extendedperiods.
SERVICEDuringthe two-year guarantee/warranty periodwe recommendt haty ouhave service done by an authorized
PolarService Center only. The warrantydoes not cover damageor consequentialdamage caused by service
notauthorizedby PolarElectro. For furtherinformation, see Limited InternationalPolar Guarantee.
Forcontact information andall Polar Service Center addresses, visit www .polar.com/supportandcountry-spe-
cific websites.
Registeryour Polar productat http:/ /register.polar.fi/to ensure we can keep improvingour products andser-
vices to better meety ourneeds.
Theusernamefor your Polar Account is always y ouremail address. The same usernameand passwordare
validfor Polar product registration,Polar Flow web service and app,P olardiscussion forum and newsletter
registration.