J. 121.5 mhz power output measurement – item 5c, K. 406 mhz frequency measurement – item 5d, L. 406 mhz power output measurement – item 5e – ACR&Artex ME406 HM User Manual

Page 37

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25-62-30

Page 37 of 84

Jun 25/13

ARTEX PRODUCTS / ACR ELECTRONICS, INC

DESCRIPTION, OPERATION, INSTALLATION AND MAINTENANCE MANUAL

ME406 (453-6603), ME406HM (453-6604)

SUBTASK 25-62-30-750-005

J.

121.5 MHz Power Output Measurement – Item 5c

(1)

Connect the measuring device, referring to SUBTASK 25-62-30-750-002 on page 35.

(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 29 at the terminal output.

SUBTASK 25-62-30-750-006

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 25-62-30-750-002 on page 35.

(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 29.

NOTE: The exact 406 MHz frequency used is printed on the ELT product label.

SUBTASK 25-62-30-750-007

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 25-62-30-750-002 on page 35.

(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 29, at the

output terminal.

(5)

Deactivate the ELT by placing the control switch in the “ARM” position.

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