OPERATION MANUAL
AF INTEGRA / AF-H INTEGRA ELT
PAGE: 101
JUN 20/2013
SYSTEM FUNCTIONAL DESCRIPTION AND OPERATION
1. Transmitter Functional Description
A. Transmission
The transmitter can be activated either automatically when the crash occurs
(thanks to a shock sensor) or manually (thanks to a switch on the transmitter
itself or on a RCP).
The transmitter is designed to transmit on two frequencies (121.5 and 406
MHz). The 121.5 Mhz is mainly used for homing in the final stages of the rescue
operations. The 406 MHz frequency is used by the COSPAS-SARSAT
satellites for precise pinpointing and identification of the aircraft in distress.
Once activated, the transmitter operates continuously on 121.5 MHz.
During operations, a digital message is transmitted on 406.037 MHz every 50
seconds.
B. Controls & Connectors
The following controls are to be found on the ELT front panel (from left to right):
1. 3-position switch ARM/OFF/ON;
2. Visual indicator (red);
3. DIN 12 socket for connection to an optional Remote Control Panel, a
programming dongle, dongle IF GPS RS232 or a programming
equipment;
4. BNC connector for the external antenna.
Figure 1: Front Panel
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