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ALTITUDE SENSOR SWITCH.- An altitude sensor switch is located on the forward bulkhead of the camera compartment. The sensor switch monitors the aircraft altitude. When the eject mode selector valve handle is in the up or SELF-EJECT position and the aircraft altitude is less than 15,000 feet, the sensor switch causes the seat select indicator on the annunciator panel (located on the center instrument panel) to come on. When the aircraft altitude reaches or exceeds 15,000 feet, the seat select indicator goes off. GROUP EJECT INDICATORS.- A group eject indicator is installed on the SENSO and TACCO instrument panels. When the pilot's or copilot's selector valve handle is in the down or GROUP EJECT position, a switch in the selector valve completes an electrical ground, and causes both group eject indicators to come on. When both selector valve handles are in the up or SELF EJECT position, the group eject indicators go off. EJECTION WARNING SYSTEM.- The ejection warning system is used to warn the TACCO and SENSO that an emergency is occurring, and that seat ejection is about to be initiated. The system uses an eject switch on the eyebrow panel, an emergency power unit, a flasher, and eject indicators on the TACCO and SENSO instrument panels. The pilot or copilot sets the eject switch to EJECT, which turns on flashing eject indicators on the TACCO and SENSO instrument panels.
Figure 6-7.- Emergency egress system components and plumbing.
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