ACR&Artex ME406 Portable ELT - Manual (Page 38)

ARTEX PRODUCTS / ACR ELECTRONICS, INC
DESCRIPTION, OPERATION, INSTALLATION AND MAINTENANCE MANUAL
ME406P (453-6611)
25-62-31
Page 38 of 85
JUN 25/13
(2) Monitor 121.5 MHz on an AM receiver.
(3) Listen for the aural sweep tone on the receiver. The audio should “sound” like an ELT.
SUBTASK 25-62-31-750-005
J. 121.5 MHz Power Output Measurement – Item 5c
(1) Connect the measuring device, referring to SUBTASK 25-62-31-750-002 on page 36.
(2) Activate the ELT, if necessary, by placing the control switch in the “ON” position.
(3) Wait three minutes.
(4) Read the displayed amplitude for 121.5 MHz. The amplitude must be within the minimum
specified for 121.5 MHz in Table 3 on page 30 at the terminal output.
SUBTASK 25-62-31-750-006
K. 406 MHz Frequency Measurement – Item 5d
CAUTION: POWER OUTPUT IS APPROXIMATELY 37 DB (5 WATTS). BE SURE ADEQUATE
ATTENUATION IS INSERTED IN-LINE BETWEEN THE ELT ANTENNA OUTPUT AND THE
MEASURING DEVICE TO PROTECT THE INPUT CIRCUITS OF THE MEASURING DEVICE.
(1) Connect the measuring device, referring to SUBTASK 25-62-31-750-002 on page 36.
(2) Activate the ELT, if necessary, by placing the control switch in the “ON” position.
(3) Wait three minutes.
(4) Measure the frequency. Measure the frequency after the three-minute waiting period. The
frequency must be within the tolerance specified in Table 3 on page 30.
NOTE: The exact 406 MHz frequency used is printed on the ELT product label.
SUBTASK 25-62-31-750-007
L. 406 MHz Power Output Measurement – Item 5e
CAUTION: POWER OUTPUT IS APPROXIMATELY 37 DB (5 WATTS). BE SURE ADEQUATE
ATTENUATION IS INSERTED IN-LINE BETWEEN THE ELT ANTENNA OUTPUT AND THE
MEASURING DEVICE TO PROTECT THE INPUT CIRCUITS OF THE MEASURING DEVICE.
(1) Connect the measuring device, referring to SUBTASK 25-62-31-750-002 on page 36.
(2) Activate the ELT, if necessary, by placing the control switch in the “ON” position.
(3) Wait three minutes.
(4) Read the displayed amplitude of the 406 MHz burst that follows the three-minute wait period.
The amplitude must be within the minium specified for 406 MHz in Table 3 on page 30, at the
output terminal.
(5) Deactivate the ELT by placing the control switch in the “ARM” position.