51 (E)Brightness setting menu Brightness setting menu for halogen lightmode, fluorescent light mode and daylightmode Brightness Set A.Iris Level +1Step 1/120Gain AutoAGC Max Gain 18dBReturn1--------2--------3--------4--------5------1 Video level adjustment [A. Iris Level: –4 to +4](Factory setting: ±0]The convergence level of the auto iris/auto gain increaseis adjusted here.2 Shutter step selection[Step: Off, 1/120, 1/250, 1/500, 1/1000, 1/2000](Factory setting: Off)Using this item, the shutter speed is selected (unit: sec.).Off: The electronic shutter is set to OFF.3 Gain adjustment[Gain: Auto, 0dB to 12dB, 15dB, 18dB](Factory setting: Auto; 0dB for the user mode only)Using this item, the light quantity is adjusted.Auto: The light quantity is adjusted automatically.(AGC: Auto Gain Control)The maximum gain is adjusted using the AGCmaximum gain selection “AGC Max Gain” item. If “Auto” is selected as the gain adjustment (Gain)setting when the manual setting has been selected forthe iris, the iris will be automatically changed to theautomatic setting. If the manual setting is selected for the iris when “Auto”has been selected as the gain adjustment (Gain)setting, the gain adjustment will be automaticallychanged to the last gain setting. If “Auto” is selected as the gain adjustment (Gain)setting, the light quantity may change suddenly(causing the image output to be subjected to ashock).Note4 AGC maximum gain selection[AGC Max Gain: 6dB, 12dB, 18dB, ---](Factory setting: 18dB)Using this item, the maximum gain when “Auto” has beenselected as the gain adjustment (Gain) setting is set.5 Return to the previous menu (menu forselecting the shooting mode) [Return] User mode brightness setting menu Brightness Set A.Iris Level +1Shutter Mode SynchroStep/Synchro 50.08HzGain AutoAGC Max Gain 18dBReturn1--------6--------7--------3--------4----------5------(User mode only)6 Shutter mode selection[Shutter Mode: Step, Synchro](Factory setting: Step)The camera operates at the shutter speed settingselected using the Shutter step/synchro scan setting(Step/Synchro) item.Step: The shutter speed is selected using theshutter step value.Synchro: The synchro scanning frequency is set.7 Shutter step/synchro scan setting[Step/Synchro: Off, 1/120, 1/250, 1/500, 1/1000,1/2000 or 50.08Hz to 250.00Hz](Factory setting: Off, 50.08Hz)Using this item, the shutter speed is set.When “Step” has been selected as the shutter modeselection (Shutter Mode) setting, then Off, 1/120 sec.,1/250 sec., 1/500 sec., 1/1000 sec. or 1/2000 is selectedas the shutter speed.Off: The electronic shutter is set to OFF.When “Synchro” has been selected as the shutter modeselection (Shutter Mode) setting, a scanning frequencyranging from 50.08 Hz to 250.00 Hz is set.When shooting subjects such as TV screens, thehorizontal bar noise can be reduced by adjusting thesynchro scanning frequency.Setting the menu items