3.5.4 AUDIO MODULATION, PERFORMANCE TESTING:
Perform the transmitter tests by activating the ELT and listening on 121.5 MHz.
The audio swept tone should “sound” like an ELT.
3.5.5 TRANSMITTER FUNCTIONAL TEST:
Perform Transmitter Functional Test per paragraph 3.3 above, including all Test
paragraphs 3.3.1 through 3.3.5.
Note: All ELT “ON” tests should be performed within the first five minutes of the
hour.
3.5.6 PERFORMANCE TEST MARKING AND LOG BOOK ENTRY:
Following satisfactory completion of all of the above Performance Testing, the date
on which the test was performed shall be marked on the external casing in a legible
and permanent manner.
Enter the test date and Technician Initials, as ELT Pass or Fail, into the aircraft Log
Book.
3.5.7 SHIPPING:
In order to prevent accidental activation of the ELT during transit, the ELT
ON/OFF/ARM Main Switch must be set in the “OFF” position.
Note: The ON/OFF/ARM Switch is lever locked type.
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