Module No. 3515
Digital Compass Reading Precautions
Location During Use
Taking readings near sources of strong magnetism can cause reading error. Keep the watch away from the following types of items.
Permanent magnets (magnetic accessories, etc.), metal objects, high-voltage wires, aerial wires, electrical household appliances (TVs, computers, cellphones, etc.)
Note that correct direction readings are not possible indoors, especially inside of reinforced concrete structures.
Accurate direction readings are not possible on electric trains, on boats, on aircraft, etc.
Storage Location
Exposure of the watch to magnetism can affect the accuracy of digital compass readings. Keep the watch away from the types of items below.
Permanent magnets (magnetic accessories, etc.), metal objects, electrical household appliances (TVs, computers, cellphones, etc.)