Timex Ironman Run Trainer 2.0 GPS Technologie GPS heart rate monitor watch with chest strap T5K743 Data Sheet

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Before you use the watch for the first time, charge the battery for at least 4 hours to insure complete charging. 

This is confirmed by a flashing battery icon. 
In order to maximize the rechargeable battery life:

•   Deplete the battery until the last battery indicator segment disappears and the empty indicator begins to

flash.  If the large battery icon appears on the display, you can still proceed as long as it has been in that 

state for no more than 1-2 days. 

•   Fully charge the watch battery for at least 4 hours until all four segments in the battery level indicator

are no longer blinking.

•   Repeat this discharge/recharge procedure two more times.

noTe: You should repeat this procedure every two months if the watch is not used or recharged regularly. 

The charging cable has a clip on one end and a standard USB connector on the other end.
1.   Attach the clip to the watch so the four pins on the clip align with the four metal contacts on the back of 

the watch. The clip has two black pins that align the clip into the watch case back. 

2.   Insert the other end of the cable into a powered USB port on your computer. Make sure that full power is 

being supplied to the USB port by disabling any power-saving features in your computer.

The battery icon 

 flashes during charging. The four segments in the icon indicate the charge of the 

battery; more solid segments mean a higher charge. 

In order to safeguard the rechargeable battery, disconnect the USB cable from the computer 

port before disconnecting the watch from the clip.

Charge within a temperature range of 32°F - 113°F (0°C - 45°C).