Sentry Turret: Difference between revisions

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The Sentry Turrets are voiced by opera singer and voice actress {{W|Ellen McLain}}.
The Sentry Turrets are voiced by opera singer and voice actress {{W|Ellen McLain}}.
== Overview ==
== Overview ==
*The Aperture Sentry Turret has a single red eye, sleek appearance, and predominately white color scheme common to most [[Aperture Science]] technology. Sentry Turrets are commonly seen serving as guards in the maintenance areas of the Enrichment Center, and during testing as an obstacle to the Test Subject.
*The Aperture Sentry Turret has a single red eye, sleek appearance, and predominately white color scheme common to most [[Aperture Science]] technology. Sentry Turrets are commonly seen serving as (rather ineffective) guards in the maintenance areas of the Enrichment Center, and during testing as an obstacle to the Test Subject.


*Sentry Turrets often speak in a sweet child-like, artificial voice similar to [[GLaDOS]] and a lavatory bowl within the Enrichment Center. They have a strangely polite demeanor, which is in direct contrast with their deadly behavior. They will even forgive [[Chell]] for knocking them over. In one scene in [[Portal 2]], an [[Oracle Turret]] is seen stuck inside the Aperture Science Pipe Network, who attempts to get [[Chell]] and [[Wheatley]]'s attention. At [[Wheatley]]'s encouragement, [[Chell]] ignores it, but the Sentry Turret politely says "thanks anyway" with a hint of shattered hopes.
*Sentry Turrets often speak in a sweet child-like, artificial voice similar to [[GLaDOS]] and a lavatory bowl within the Enrichment Center. They have a strangely polite demeanor, which is in direct contrast with their deadly behavior. They will even forgive [[Chell]] for knocking them over, suggesting they do not want to kill [[Chell]]. In one scene in [[Portal 2]], an [[Oracle Turret]] is seen stuck inside the Aperture Science Pipe Network, who attempts to get [[Chell]] and [[Wheatley]]'s attention. At [[Wheatley]]'s encouragement, [[Chell]] ignores it, but the Sentry Turret politely says "thanks anyway" with a hint of shattered hopes. It can later be seen and picked up in the incinerator room.


*The Sentry Turrets are armed with two dual machine guns, which can only be armed once a target comes within visual sight. Upon visual acquisition of the target, the Sentry Turret will come to full alert, and the machine guns will emerge. They will begin to fire at any visible targets (usually Test Subjects or intruders). When no targets are in visual range, the Sentry will scan the area in a sweeping motion with its laser targeting beam. Upon seeing that there are no more targets, the Sentry Turret will return to sleep mode after three seconds. These weapons, the machine guns, along with its antenna are normally hidden inside the body, during the Turret's "sleep mode".
*The Sentry Turrets are armed with two dual machine guns, which can only be armed once a target comes within visual sight. Upon visual acquisition of the target, the Sentry Turret will come to full alert, and the machine guns will emerge. They will begin to fire at any visible targets (usually Test Subjects or intruders). When no targets are in visual range, the Sentry will scan the area in a sweeping motion with its laser targeting beam. Upon seeing that there are no more targets, the Sentry Turret will return to sleep mode after three seconds. These weapons, the machine guns, along with its antenna are normally hidden inside the body, during the Turret's "sleep mode".


*When passed through the material emancipation grill, they will emit a loud and long "oowowowowow" sound as it disintegrates. The machine gun panels also close together in an erattic position if the turret is vaporised active.
*When passed through the material emancipation grill, they will emit a loud and long "oowowowowow" sound as it disintegrates, even if deactivated, suggesting they are only put in sleep mode when knocked over. The machine gun panels also close together in an erattic position if the turret is vaporised active.


*Aperture-Brand Resolution Pellets, the bullets for a Sentry Turret's guns, are simply dumped into its hollow body, called the Shell Redistribution Chamber; this allows for an unusually large supply of ammunition for such a small device. Aperture-Brand Resolution Pellets are the only type of ammunition that is recommended for use with a Sentry Turret. In addition, bullets are not "fired" in the traditional sense. They are propelled, shell and all, with a spring-loaded mechanism called the Projectile Acceleration Cylinder, which is guarded by the Aperture Turret External Barrel.
*Aperture-Brand Resolution Pellets, the bullets for a Sentry Turret's guns, are simply dumped into its hollow body, called the Shell Redistribution Chamber; this allows for an unusually large supply of ammunition for such a small device. Aperture-Brand Resolution Pellets are the only type of ammunition that is recommended for use with a Sentry Turret. In addition, bullets are not "fired" in the traditional sense. They are propelled, shell and all, with a spring-loaded mechanism called the Projectile Acceleration Cylinder, which is guarded by the Aperture Turret External Barrel.
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*Sentry Turrets, when idle, conceal their weapons under the two plates on either side of their body. When they spot a target it takes a moment to deploy its weapons to fire. A Sentry Turret's weapons are very powerful and are able to kill a human, such as [[Chell]], after a few seconds of continuous fire. [[Atlas]] and [[P-body]], while sturdier than a human, still cannot endure lengthy sustained fire before falling apart. However, Sentry Turrets can be easily spotted by the visible laser beam emitted from their eye at all times, making it easier to avoid them. When knocked over Sentry Turrets fire frantically in all directions before permanently deactivating. Like all other objects within the Enrichment Center, the Sentry Turret will disintegrate (and produce an unusual sound) if it passes through a Material Emancipation Grill.
*Sentry Turrets, when idle, conceal their weapons under the two plates on either side of their body. When they spot a target it takes a moment to deploy its weapons to fire. A Sentry Turret's weapons are very powerful and are able to kill a human, such as [[Chell]], after a few seconds of continuous fire. [[Atlas]] and [[P-body]], while sturdier than a human, still cannot endure lengthy sustained fire before falling apart. However, Sentry Turrets can be easily spotted by the visible laser beam emitted from their eye at all times, making it easier to avoid them. When knocked over Sentry Turrets fire frantically in all directions before permanently deactivating. Like all other objects within the Enrichment Center, the Sentry Turret will disintegrate (and produce an unusual sound) if it passes through a Material Emancipation Grill.


*In [[Portal]], the primary method of defeating the [[Turret]] is to disable it via knocking it over (echoing the method used in Half-Life 2). This can be accomplished in various ways: by picking it up from behind and dropping it in an odd position, knocking it over with a weighted cube, hitting it with another object (including another turret), shooting a portal at its feet, or directing a [[High Energy Pellet]] into it (the Pellet will not destroy the turret on impact, but it will impart enough force to knock it over).
*In [[Portal]], the primary method of defeating the [[Turret]] is to disable it via knocking it over (echoing the method used in Half-Life 2). This can be accomplished in various ways: by picking it up from behind and dropping it in an odd position, knocking it over with a weighted cube, hitting it with another object (including another turret), shooting a portal at its feet, or directing a [[High Energy Pellet]] into it (the Pellet will not destroy the turret on impact, but it will impart enough force to knock it over). They can also be destroyed by standing in front of a turret while holding another turret, however, this is difficult to do.


*[[Portal 2]] introduces two new means for the player to disable the Turrets. One is to direct a [[Thermal Discouragement Beam]] onto it (usually via a portal and/or Weighted Pivot Cube), causing it to heat up and explode. Another is to cover it in [[Repulsion Gel]] or [[Propulsion Gel]] (via the Perpetual Testing Initiative), causing it to bounce with increasing force until it either shatters or falls away.
*[[Portal 2]] introduces two new means for the player to disable the Turrets. One is to direct a [[Thermal Discouragement Beam]] onto it (usually via a portal and/or Weighted Pivot Cube), causing it to heat up and explode. Another is to cover it in [[Repulsion Gel]] or [[Propulsion Gel]] (via the Perpetual Testing Initiative), causing it to bounce with increasing force until it either shatters or falls away.