The AIS SART should be tested annually to confirm correct operation. In order to maximise the available battery capacity it is not recommended to test the AIS SART more frequently. Carry out the following steps to test the AIS SART: Remove the AIS SART from the bracket or bag and move to an outdoor location with a clear view of the sky. Do not hold the AIS SART in the location marked over the internal GPS antenna. Press and hold the ‘Test’ button for three seconds until the indicator starts flashing. The test is now active and the AIS SART will attempt to obtain aRead More →