Fora TD-3261G Owner's Manual page 41

• While the meter is in transmission mode, it will be unable to perform a test.
• Make sure your device with iOS (7 or above) or Android System (4.3 or
above) has turned on Bluetooth before transmitting the data and the meter
is within the receiving range.
• The Bluetooth functionality is implemented in different ways by the various
mobile device manufacturers, the compatibility issue between your mobile
device and the meter maybe occur.
NOTE
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