If smoke and/or heat is detected in a cargo compartment,
the flight crew will be alerted by:
- The red CARGO FIRE light on the OAP
- MASTER WARNING lights on the glareshield
- A high pitched tone from the aural alerter which can be
silenced by pushing the FIRE BELL OFF button between
the engine fire handles or the MASTER WARNING lights.
- The fire light on the cargo fire control panel from the
alarming compartment. - In addition, the ARMED light of the alarming compartment will illuminate with BTL 1 DISCH light to indicate automatic suppression system arming has occurred.