•Proper signal reception can be difficult or even impossible under the conditions listed below.
Inside or | Inside a |
among | vehicle |
buildings |
|
Near | Near a | Near high- |
household | construction | tension |
appliances, | site, airport, | power lines |
office | or other |
|
equipment, | sources of |
|
or a mobile | electrical |
|
phone | noise |
|
Among or behind mountains
•Signal reception normally is better at night than during the day.
•Time calibration signal reception takes from two to seven minutes, but in some cases it can take as long as 14 minutes. Take care that you do not perform any button operations or move the watch during this time.