U68*
About signal reception
Poor reception areas
It may be difficult to receive the time signal properly under certain environmental conditions or in areas susceptible to radio noise.
![]() | Extremely hot or cold locations |
![]() | Inside vehicles |
![]() | Near electrical equipment or office appliances |
![]() | Near high-voltage electric cables, railway overhead cables, airports (transmission facilities) |
![]() | Inside reinforced concrete buildings, between tall buildings, mountains, or underground |
![]() | Near mobile phones or smartphones that are in use |