89 Other functions2 Checking illumination before taking pictures (Modeling Illumination)Press the Target Light button and the flash fires repeatedly at a reducedflash output level. This is useful for checking illumination and shadowscast on the subject before actually taking the picture.• This function operates only after the red ready-light comes on.In the close-up modeWhen the Target Light button on the SU-800 is pressedand released within 1 second, the Modeling Illuminatorof the SB-R200 fires at a reduced flash output level forapprox. 1 second.When the preview button on a camera compatible withmodeling illumination is pressed, the ModelingIlluminator of the SB-R200 also fires for approx. onesecond.• If the Target light is on, the Target light goes off.• The SB-R200 in a group of which flash firing is set to“canceled” does not fire.In the Commander modeFiring by the SU-800When the Target Light button on the SU-800 is pressedand released within 1 second, the ModelingIlluminators of remote flash units in the groups set tofire, indicated by the icon that is blinking, will fire forapprox. one second.• Remote flash unit(s) in a group of which flash firing is set to“canceled” does not fire.Firing by the cameraWhen the preview button on a camera compatible withModeling Illumination is pressed, the ModelingIlluminator of the remote flash unit fires for approx. 1second.• Remote flash unit(s) in a group of which flash firing is set to“canceled” does not fire. Do not release the shutter while the Modeling Illuminator is firingIf you release the shutter while the Modeling Illuminator is firing, correct exposure cannot beachieved.READYLOCKSELREADYLOCKSEL