ACR Electronics AEROFIX 406 GPSIOP-ELT Product Support Manual

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Contents

Y1-03-0175 Rev. D74.2.4 GPS Antenna Orientation (2799.4 ONLY)When activated it is critical that you do not cover the front bottom portion of the P-ELT with anybody part, water, clothing, etc. The GPS Antenna is located under the front bottom portion of thecase behind the embossed ACR logo. To ensure proper operation it needs to be unobstructed with aclear view to the sky. Avoid submerging this portion of the P-ELT in water if possible, as water willshield and inhibit the GPS receiver and may cause difficulties obtaining LAT/LON coordinates.4.3 406/121.5 Antenna PositionFor maximum performance you must deploy the P-ELT antenna into the proper position (see figure2). The antenna will snap into place and be slightly slanted to the side. Be sure the antenna ispositioned facing the sky and avoid submerging in water. If afloat employ all means to keep theP-ELT out of the water and the antenna dry. For best results it is important to keep the antenna dryand away from the water. Water acts as a detractor from the performance and reduces the P-ELT’seffectiveness.4.4 DeactivationTo deactivate your P-ELT, depress the “OFF” button for 1 second (see figure 5). Once off, allblinking LED’s will stop signifying that the P-ELT is no longer sending your rescue message.4.5 Self TestPLEASE READ ALL INSTRUCTIONS BEFORE PERFORMING ANY OF THE TESTS.BE PREPARED TO RECORD DATA FROM THE TESTSelf test is initiated by holding the self test button (see figure 1) for at least ½ second and less thanfive seconds. Your P-ELT will sound an initial beep and green LED (Light Emitting Diode) flash tosignify the test has begun. The green LED will flash a second time to indicate that the self test wassuccessful.AeroFix™ 406 GPS I (P/N 2799.2) self tested components: Data Integrity and Memory;406 MHz Synthesizer; RF Power/BatteryAeroFix™ 406 GPS I/O (P/N 2799.4) self tested components: Data Integrity and Memory;406 MHz Synthesizer; RF Power/Battery; GPS headerIf your P-ELT flashes two green LED’s, the test has been successfully completed. If you encounteronly the initial green LED flash alone, your P-ELT has failed the self test, please contact ACRElectronics or an authorized Battery Replacement Center for servicing of your P-ELT.NOTE: During a self test your P-ELT will send a 406 MHz signal coded as self-test to the satellitesystem. The homing signal at 121.5 MHz is inhibited during self test; this allows you to test yourP-ELT any time during the day without causing any false alarms.4.6 Battery Witness Seal LifeACR strongly recommends performing the self test on the AeroFix™ 406 GPS on a monthly basis.If your P-ELT flashes an initial Red LED at the beginning of the Self Test, this indicates that yourelectronic witness has been broken and you have used more than 1 hour of battery life. While theP-ELT will still operate normally in an emergency, ACR strongly recommends you have your batteryreplaced and the electronic witness reset to ensure that you will have 24 hours of battery powershould you ever need to activate your unit in an emergency