LT-200CL74.2. Rear Panel and indicatorsFig.2 Rear panel LEDThere is a multi-color LED on the rear panel of the camera. It has the following functions:Green (Steady)Operating, but not receiving external trigger inputGreen (Flashing)Operating and receiving external trigger input.Note that the flashing frequency does not correspond to the frequency of the triggersignal.Note: In no-shutter/internal and shutter select/internal modes, this LED does notflash. OrangeInitializing or executing one-push white balance Push buttonThis push button is used for gain white balance. DIP switchSW-1 functionNo Function SettingsON OFF1 Serial communication Hirose 12Pin Camera link2 Termination of External trigger 75Ω TTLNote: Factory default settings for both functions are “OFF”.Fig.3 DIP switchRear panel indicator LEDOFF ONSerialCommunication75 ΩPush buttonDIP switch