Update Time operation guide
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1. connect watch to computer when the watch is power off
2. run "WriteTime.exe" program
3. Click the "Start Update" button
4. when show "Sitar system time update is completed" , click "OK" button
5. Pull out the USB connection from computer in correct process.this moment the watch should be power off state
6. turn on the watch, system time automatically set to the same as the local computer time