ACR&Artex ThunderBird SSAS - Manual (Page 14)

Y1-03-0180 Rev. D 11
4.6 Deactivation
4.6.1
The ThunderBird SSAS can be deactivated by returning the thumb switch to the “OFF” position.
4.6.2
If the beacon continues to operate after it has been deactivated, remove the four screws holding the top
cap to the bottom case assembly and unplug the battery to disable the unit. Return it to a Service Center
for repair.
BATTERY CONNECTION PLUG
FIGURE 7
4.7
Full functional self test
Please read all instructions before performing any of the tests. Be prepared to record data from the test.
4.7.1
The ThunderBird SSAS can be tested in or out of the release bracket. A self test is initiated by lifting the
thumb switch to a vertical position and holding it in this position for at least one second. The initiation of
the test is indicated by the simultaneous and brief lighting of the green and red
LED's.
The sequence of tests is:
1. Check Data Integrity ....................................... Beep and lights up Red and Green LEDs if passed
............................................................................. Stop if failed
2. Check 406 MHz Synthesizer .......................... Beep and lights up Red and Green LEDs if passed
........................................................................... Stop if failed
3. Check RF Power/Battery ................................ Beep and lights up Red and Green LEDs if passed
........................................................................... Stop if failed
4. Turn on Green LED to indicate successful test.
If all of the above occurs, the test has been successful.
5. Check GPS circuitry and data ....................... Beep and lights up Red and Green LEDs
Approximately 2 to 3 seconds after the Green LED if
passed (GPS location data has been loaded)
4.7.2 It is strongly recommended to test the ThunderBird SSAS on a monthly basis.
4.8
External GPS interface
4.8.1
External GPS interface requirements: In order to be compatible with the ThunderBird SSAS an external
GPS receiver must provide location information according to the following requirements:
NMEA 0183, Version 1.5 or higher
Baud rate: 4800
Talker device identifier: GP (GPS Receiver)
Sentence format: GGA (GPS Fix Data)
Battery connection Plug