CONTROL PANELS At First-Light, we believe that your light should do exactly what you want, exactly when you want it to. Unlike other multi-function flashlights, which require dials and buttons placed in inconvenient places like tailcaps, our controls are designed to be operated with the simple click of your finger or thumb. Our controls are intuitive, easy to learn and even easier to operate, allowing you to focus on the task at hand, always.         1. BRIGHTNESS CONTROL Cycles between three levels of brightness. Also switches Task Light on and off when main LED is off (STT models only). 2. CONSTANT-ON CONTROL The "on/off" switch for continuous light in Constant-On mode. 3. SPLIT-SWITCH CONTROL (GP, ST and STT models) For added functionality o n select models, the Split-Switch is divided into two segments: a. Controls Strobe functions on ST and STT models; controls instant Low function on GP model. b. Momentary function provides instant light when not in Constant-On Mode; also allows instant transition to full intensity from any brightness level. 3. MOMENTARY CONTROL (LP model) Provides instant light when not in Constant-On Mode; also allows instant transition to full intensity from any brightness level.     1. MOMENTARY CONTROL Provides instant light when not in Constant-On Mode; also allows instant transition to full intensity from any brightness level. 2. CYCLE CONTROL Controls brightness levels on all models. Dual-Switch function also provides one-thumb activation of: Color and IR functions (MC, CV, NV models) Strobe functions (ST, LE models) Instant Low (GP model) 3. CONSTANT-ON CONTROL "On/off" switch engages constant-on function. Press and hold to engage Safety-Strobe function on equipped models.