Ameri-King AK-451-ELT - Manual (Page 96)

96
PERIODIC MAINTENANCE (at least every year)
Note:
* These tests should be performed only within an RF Screen Room or Facility
providing shielding of RF Emissions.
* Using of ELT Test set TS-451 or equivalent test equipment is acceptable
3.5.1
Regular Periodic Maintenance Test
Perform Periodic Maintenance Test per paragraph 3.4 above, including all Test
paragraphs 3.4.1 through 3.4.10.
In addition to the Periodic Maintenance requirements prescribed in Paragraph 3.4, the
following Performance Testing must be performed, at least every year, to comply
with Canadian Aviation Regulations CAR Standards: Part V – Airworthiness Manual
571: Appendix B.
3.5.2
Power Output Test, Performance Testing
NOTE: Using of ELT Test set TS-451 or equivalent test equipment is acceptable
3.5.2.1
121.5/243.0 MHz Power Output:
Connect the equipment as shown below:
Note:
Use as fresh battery pack (12.5 ± 0.5 VDC nominal) or a 2 amp, 12.5 VDC power
supply as power source.
The test equipment specified in the following steps is only a recommendation. The
use of other manufacturer's models of test equipment capable of providing equivalent
measurement results is acceptable.
Set the Spectrum Analyzer as follows:

Center freq: 121.5 MHz

Span: 1 MHz

Resolution bandwidth: 1 MHz

Vertical display: 10dB/Div

Sweep: Auto

Peak/Avg: Peak

Reference level: 30 dBm

Time/Div: 20ms
ELT BNC
(top)
Connector
Applicable
attenuator
Spectrum
Analyzer