Section I. DESCRIPTION OF
OPERATOR'S CONTROLS AND
2-1. Airborne Guidance Unit (AGU).
AGU Activation Switch. (See Figure 2-1.) The AGU activation switch is a
spring-loaded switch which is tied to the rigging in such a manner that it is
automatically turned on by deployment of the parachute. Unless the
parachute has been deployed, this switch is kept off by inserting a tab into
the switch assembly. When the parachute is deployed, the tab is
extracted from the switch assembly by a lanyard attached to the
deployment bag and the switch is turned on. This conserves battery life
since the AGU is turned on only during parachute deployment.