Air Precision Elt 96 Maintenance Manual Portable Instant

For analog testing (121.5 MHz), tests should only be conducted during the first 5 minutes of any UTC hour and last no longer than three audible sweeps to avoid false alarms. 2. Battery Replacement Requirements

It is recommended to perform a self-test every three months to verify system integrity.

406 MHz (digital), 121.5 MHz (analog), and 243 MHz (analog).