SkyHunter406 4000-10 AP User Manual
Page 10
10
SECTION 4
FUNCTIONAL TESTING
4.0 GENERAL
The POINTER SENTRY ELT System must undergo a functional test for the following reasons:
(a)
After initial installation
(b)
After system maintenance, such as battery pack replacement.
(c)
Thereafter at owner's or operator's discretion.
Annual or more frequent inspection intervals are
recommended.
An annual PERFORMANCE TEST and recertification, by an approved Avionics facility, is mandatory for
installations aboard Canadian Registered aircraft.
4.1
TEST PREPARATION
4.1-1
Visually inspect unit, connections and mounting bracket occasionally for cleanliness and secureness. Check fixed
antenna mounting for tightness. Verify master switch in "AUTO" position.
4.1-2
Test unit occasionally using procedure outlined in FAA advisory circular AC-20-81.
DON'T overtest. If more than
one cumulative hour of testing occurs before the replacement date of the battery pack, the pack should be
replaced.
4.1-3
Functional test of equipment in Canadian registered aircraft shall be performed and no more than three Audio
Modulation sweeps should be permitted.
Refer to Section 3.12.7(d) of Part II, Chapter III of TRANSPORT
CANADA Engineering and Inspection Manual.
4.2
POINTER SENTRY ELT FUNCTIONAL DETAILS
4.2-1
AUTOMATIC PORTABLE (AP). (Unit installed without the remote switch).
The unit Master Switch functions as follows:
AUTO: Used to arm the POINTER SENTRY ELT for automatic activation by the “G” switch only.
ON:
Used to activate the transmitter for test or emergency situations.
The ON switch bypasses the
automatic activation switch.
OFF/RESET: Used to de-activate the transmitter during handling and to reset the automatic activation
switch.
4.2-2
“G” Switch: Used to activate the POINTER SENTRY in an emergency situation. The “G” switch can be operated
by impact only.
NOTE: Where aircraft comm. receiver is used:
(a) Tune to 121.5 MHz
(b) Adjust manual squelch to maximum
(c) Turn up receiver volume until slight background noise is heard.
(An Automatic Squelch receiver will not reveal a defective ELT with a low RF output power.)