Chapter 5 About Float-free Capsule 
 
99 
 
5.4.2 EXTENDED SELF-TEST including GPS-test 
1. Release front cover by removing the cotter pin. 
 
 
2. Move switch to “TEST” position twice within 3 seconds and release back to “READY” position. 
 
 
3. A short beep sounds, and the test starts. During the test, until the capsule acquires the GPS 
position, a short beep sounds every three seconds. 
 
4. It's possible to determine the test results by the number of beeps. If the GPS has been 
acquired successfully, a beep sounds consecutively twice. 
Table 5-4 Error message by beep 
Number of beeps  Fault indication 
2  None 
5  Did not acquire the GPS position 
10  Number of GPS-test exceeds limit (> 60) 
 
5. The NORMAL SELF-TEST is performed after successful GPS-test and position transmitted on 
406.037MHz. The GPS position may also be received on the EPIRB tester for verification.