For example, if the pilot is in AAM, only the Air-to-Air intercept missiles are armed. All Air-to-Ground arming options are
commanded to be reset (except those that may be retained by STBY). When the SMS is in an attack mode, the HUD will
display the appropriate attack symbology. MMC will perform the appropriate attack programs. When either weapon
release switch is depressed and held, the MMC will transmit the appropriate release command(s), including automatic
releases. If a gun mode is selected and the trigger is depressed to the second detent, the gun will fire. When the
selected mode is exited, the MMC automatically commands all options to be reset except for the options that can be
retained in STBY.
NOTE
The following statements are very important safety considerations for SMS
maintenance technicians.
Technicians must ensure the GND JETT switch is positioned to OFF until a Technical Order (T.O.) instructs him to
position the GND JETT switch to ENABLE. Placing the GND JETT switch to ENABLE simulates in-flight conditions for the
MMC. The MMC will command all options to the (selected type) RIUs if all other conditions are met. The ENABLE
feature is used during maintenance checkouts when using the SMS Test Set or during BIT or during functional checks
when using the Armament Circuits Preload Test Set.
The MMC is responsible for determining the system master mode, as well as the SMS operation mode based on current
inventory and mode change requests that are received by the MMC. (Figure 2-9) illustrates seven modes of operation
and their associate sub modes from which the operator may select:
Emergency Jettison (E-J)
Dogfight (DGFT)
Missile override (MSL)
Air-to-Air (A-A)
Air-to-Ground (A-G)
Selective Jettison (S-J)
Standby (STBY).
For example, if the pilot is in AAM, only the Air-to-Air intercept missiles are armed. All Air-to-Ground arming options are
commanded to be reset (except those that may be retained by STBY). When the SMS is in an attack mode, the HUD will
display the appropriate attack symbology. MMC will perform the appropriate attack programs. When either weapon
release switch is depressed and held, the MMC will transmit the appropriate release command(s), including automatic
releases. If a gun mode is selected and the trigger is depressed to the second detent, the gun will fire. When the
selected mode is exited, the MMC automatically commands all options to be reset except for the options that can be
retained in STBY.
NOTE
The following statements are very important safety considerations for SMS
maintenance technicians.
Technicians must ensure the GND JETT switch is positioned to OFF until a Technical Order (T.O.) instructs him to
position the GND JETT switch to ENABLE. Placing the GND JETT switch to ENABLE simulates in-flight conditions for the
MMC. The MMC will command all options to the (selected type) RIUs if all other conditions are met. The ENABLE
feature is used during maintenance checkouts when using the SMS Test Set or during BIT or during functional checks
when using the Armament Circuits Preload Test Set.
The MMC is responsible for determining the system master mode, as well as the SMS operation mode based on current
inventory and mode change requests that are received by the MMC. (Figure 2-9) illustrates seven modes of operation
and their associate sub modes from which the operator may select:
Emergency Jettison (E-J)
Dogfight (DGFT)
Missile override (MSL)
Air-to-Air (A-A)
Air-to-Ground (A-G)
Selective Jettison (S-J)
Standby (STBY).
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