Citizen AT8260-18A Instruction Manual page 41

Notes on the time signal reception
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When signal reception is poor
High-tension electrical lines or other structures near your house may block the
path to the signal station. This may result in a poor environment for receiving the
time signal.
With reference to pages 36 to 38, search for a better place for reception.
Then, attempt to receive the time signal following the procedure on page 43.
• If the window contains a wire netting in it, open the window or change the
location for better reception.
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