INSTALLATION MANUAL OPERATION MANUAL INSPECTION LOG
KANNAD 406 AF-COMPACT
PAGE: 602
FEB 01/2008
(3) Transmitted signals
- Perform a self-test from the ELT and RCP as explained § B. Self-test
procedure, page 301.
The following parameters are checked during self-test:
• Battery voltage.
• 121.5 MHz / 406.028 MHz transmission power.
• 406.028 MHz frequency VCO lock.
• Presence of programmed data.
The number of flashes of the ELT’s visual indicator gives an indication of
faulty parameters if any (Refer to § B. Self-test procedure, page 301).
- Check 121.5 MHz frequency.
This test will be performed after re-installation of the ELT.
Refer to § (5) Check of 121.5 MHz frequency, page 602.
(4) Batteries corrosion
Refer to § (4) Battery pack replacement, page 604 to remove and re-install
the battery pack and check the watertightness of beacon.
- Remove the battery pack from the ELT.
- Inspect the battery pack.
The battery pack and connector should be free of corrosion.
- Ensure the battery housing is free of cracks or other visible damage.
- Verify the battery expiration date and ensure it matches with the
expiration date written on the label affixed to the rear side of the ELT
housing.
- Replace O-ring, desiccant capsule, screws, nuts and seal as explained
§ (4) Battery pack replacement, page 604.
- Reinstall the battery pack and close the housing.
- Check beacon watertightness.
(5) Check of 121.5 MHz frequency
- Re-install the ELT
Refer to § C. ELT installation procedure, page 207.
- Check 121.5 MHz frequency using the aircraft tune receiver.
Refer to § C. 406 and 121.5 MHz transmission test, page 303.
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