BSWA 308/309 BSWA Technology Co., Ltd
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Turn the button to the left side to unlock the battery compartment cover. Then lift the cover to
open it.
Close and lock the battery compartment after change the battery.
2.6 GPS
GPS antenna cover located on the top surface of sound level meter which select GPS
function as option module.
★Note: GPS function must be select before delivery to user due to install GPS module
should return the sound level meter to factory.
GPS performance is mainly affected by two factors: the satellite ephemeris and the satellite
signal noise ratio.
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