Glossary

Double Heat Sink (DHS)

 * The upgraded version of the SHS (Single Heat Sink), it can dissipate twice as much heat as standard SHSs for the same amount of tonnage, but at the cost of the slots used.

Fire Control System (FCS)

 * Located in the head of a 'Mech.
 * There are many different types of FCS, usually giving a specific bonus to accuracy, but not only.

Laser Anti-Missile System (LAMS)

 * The Laser Anti-Missile System (LAMS) is an advanced variation of the standard Anti-Missile Systems. While the standard system utilizes a machine gun linked to specialized tracking systems, the LAMS uses a Small Pulse Laser, ensuring that the system never runs out of ammunition.
 * LAMS generate a constant heat as they are always primed to fire immediately. Does not stack.
 * Gain -15% Missile Damage, +5 Heat Generated

NARC Missile Beacon

 * This Launcher fires a single NARC beacon that attaches itself to the enemy and emits a homing signal for all friendly weapons.
 * This prototype comes with an advanced guidance system.
 * Three turn duration, does not stack.
 * Gain +2 Accuracy; Ignores 2 Evasion Pips

Null Signature System (NSS)

 * An upgraded Stealth Armour allows this to reduce incoming hits and trades heat generation for a reduced sensor and target signature. Reserves 6 slots and requires an ECM (Electronic Counter-Measure).
 * Gain 10% Bonus to Bulwark, -35% reduction to Signature & Visibility

Single Heat Sink (SHS)

 * The standard type of heat sinks available for 'Mechs. Both as a module or as part of the inner parts of an engine core.

Target Acquisition Gear (TAG)

 * Target Acquisition Gear combines several active scanning systems to act like a ‘Mech-sized laser pointer and share targeting information with the Lance.
 * Two turn duration, does not stack.

RTFM

 * You're reading it.