406 MHz (digital), 121.5 MHz (analog), and 243 MHz (analog).
Replacement is mandatory after 48 hours of continuous use or a cumulative operating time exceeding 7 hours . Air Precision Elt 96 Maintenance Manual
Press the "AUTOTEST/RESET" button on the remote control. A successful test is typically indicated by the "XMIT ALERT" light flashing for 2 seconds and then extinguishing. 406 MHz (digital), 121
It is recommended to perform a self-test every three months to verify system integrity. 406 MHz (digital)
Regular maintenance is essential to ensure reliability. The manual specifies detailed inspections and tests that must be performed by qualified personnel. 1. Self-Test and Operational Checks