ARTEX PRODUCTS / ACR ELECTRONICS, INC
DESCRIPTION, OPERATION, INSTALLATION AND MAINTENANCE MANUAL
ELT 4000M / ELT 4000M HM
Y1-03-0367 Rev. B Company Confidential 25-62-37 Page 5 of 77
F. G-Switch Functional Check – Item 4 ................................................................................... 27
G. Performance Test Setup ................................................................................................... 28
H. 121.5 MHz Frequency Measurement and Audio Modulation Check– Items 5a and 5b ............... 28
I. 121.5 and 243.0 MHz Power Output Measurement – Item 5c ................................................ 29
J. 406 MHz Frequency Measurement – Item 5d ...................................................................... 29
K. 406 MHz Power Output Measurement – Item 5e ................................................................. 29
L. Digital Message Verification – Item 5f ................................................................................ 29
M. ELT Reset Check – Item 5g ............................................................................................... 30
N. Installed Transmitter / Antenna Test – Item 6 ..................................................................... 30
O. Antenna Test – Item 7 ..................................................................................................... 30
P. Inspection and Test Documentation – Item 8 ...................................................................... 31
Fault Isolation ................................................................................................................................ 31
A. Self-Test ......................................................................................................................... 31
B. Troubleshooting .............................................................................................................. 36
REMOVAL .......................................................................................................................................... 37
ELT 37
A. ELT Removal ................................................................................................................... 37
Battery .......................................................................................................................................... 37
A. Battery Removal .............................................................................................................. 37
Material or Equipment Return .......................................................................................................... 39
A. Shipment Information ...................................................................................................... 39
B. Return Material Authorization ............................................................................................ 39
INSTALLATION .................................................................................................................................. 40
Regulatory Requirements and Guidelines ........................................................................................... 40
A. For US Registered aircraft: ................................................................................................ 40
B. TSO C126b, Paragraph D .................................................................................................. 40
C. FAA ................................................................................................................................ 40
D. Canada ........................................................................................................................... 40
E. Other Countries ............................................................................................................... 41
F. RTCA.............................................................................................................................. 41
Mounting Tray ................................................................................................................................ 42
A. Location ......................................................................................................................... 42
B. Installation ...................................................................................................................... 43
Antenna ........................................................................................................................................ 44
A. General .......................................................................................................................... 44
B. Location ......................................................................................................................... 44
C. Installation General Info ................................................................................................... 44
Remote Switch ............................................................................................................................... 51
A. Location ......................................................................................................................... 51
B. Installation ...................................................................................................................... 52
Buzzer ........................................................................................................................................... 52
A. Location ......................................................................................................................... 52
B. Installation ...................................................................................................................... 53
Wiring ........................................................................................................................................... 54
A. General Considerations and Recommendations ................................................................... 54
B. Remote Switch Harness Fabrication ................................................................................... 58
C. ELT 22-Pin Plug Installation .............................................................................................. 60
ELT Installation and Test ................................................................................................................. 61