B737
MAINTENANCE MANUAL
EFFECTIVITY
Post ELT STC ST03081AT
23-24-00
PAGE 005
JAN 02/07
(2) Upon entering the “ACTIVE” state, the unit shall meet all the requirements as described
herein. To exit the “ACTIVE” state and enter the “INACTIVE” state, a “RESET” condition
must be entered. This may be accomplished in one of two ways.
(a)
The front panel switch may be toggled from the ARMED/RESET position to ON and
then back to ARMED/RESET, or if the switch is already in the ON position, it must be
placed into the ARMED/RESET position.
(b)
The ELT unit switch may be moved from the OFF position to the ON position and
then back to the OFF position. If the switch is already in the ON position, it must be
placed into the OFF position.
(3) It should be remembered that the ELT can not be “RESET” if either the panel mounted
switch or the unit switch is in the ON position.
(4) The periodicity of operational checks is at the operator’s discretion, however, a monthly
test is recommended. The check shall only be conducted during the first five minutes of
any UTC (coordinated universal time) hour, and restricted in duration to not more than five
seconds.
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