LEGRAND 4 305 21 User Manual page 8


Both of N.O.(Normal Open) sensors and N.C.(Normal Close) sensors can be used and the signal range of the sensor
input is from DC 5.0V to 12.0V for various applications.

The camera can be set to move to a Preset position or to run functions such as Pattern, Swing and Group when
there are external sensor activations. Also "Post Alarm" function is possible, which is supposed to activate after
user-defined time period and sequentially in succession to the action by external sensor activations.
Reserved Presets (Hot Keys)

Most camera setup options can be set up easily and directly with the reserved presets (Hot Keys), without entering
into OSD menu. For more information, refer to "Reserved Presets (Hot Keys)" in this manual.
Perfect Outdoor Environment Compatibility and Easy Installation

4 305 23/4 305 24/4 305 25 : The fans and heaters are built-in in the camera for cold and hot temperature
environment. Also idealistic mechanical design protects the camera from water and dust. (IP67 when installed
properly with wall mount bracket only)
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