58
lWhenyou connect your A300t o a computer,check t hat thereis no moisture, hair, dust or dirt on the
A300'sUSB connector. Gently wipeoff any dirt or moisture.Don't use any sharptools for cleaningto
avoidscratching.
Operatingtemperaturesare-10 °C to +50 °C / +14°F to +122 °F.
HEART RATE SE NSOR
Connector:Detach the connectorf romt hest rapafter every use and dry the connectorwit h a soft towel.
Cleanthe connector with a mild soap andwater solution when needed.Never use alcohol or any abrasive
material(e.g. steel wool or cleaningchemicals).
Strap:Rinse the strap underrunning water after everyuse and hang to dry. Clean the strap gently with a mild
soapand water solutionw henneeded. Do not use moisturizings oaps,because they can leave residueon the
strap.Do not soak, iron,dry clean or bleachthe strap. Do not st retch thes trapor bend the electrodeareas
sharply.
Checkt hew ashinginstructions on the label of the strap.
STORING
Keepyour trainingdevice and heart ratesensor in a cool and dry place. Do not keep them in a dampenvir-
onment,in non-breathablematerial(a plastic bag or a sports bag)nor with conductive material (aw et towel).
Donot expose the training device to direct sunlightfor extended periods,such as byleaving it in a car or moun-
tedon the bike mount.
It is recommendedto store the trainingdevice partially or fully charged. The batterys lowly loses its c harge
whenit is stored.If y ouare going to store the trainingdevice for several months, it is recommendedt o
rechargeit after a few months. This will prolong the batterylif etime.
Dryand store the strap and the connectorseparately to maximize the heart ratesensor battery lifetime. Keep
theheart rate sensorin a c ooland dry place. To prevent snapoxidation, do not store the heart ratesensor wet
innon-breathingmaterial,s uch as a sports bag. Do not expose theheart rate sensor to direct sunlight for
extendedperiods.
SERVICE
Duringthe 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.