18Step 2. After pressing the USER1 or USER2 button, the pressed button will be lit in red for 1 secondand then it will change back to white light. Another button and the LOAD button will be lit in whitedirectly. How to save the parameters that are saved in the MCU-400 into the BC-100 CameraStep 1. Please long press the LOAD button for 3 seconds and then the LOAD button will beflickering in red until the current parameters that are saved in the MCU-400 are saved successfullyto the BC-100. After that, the LOAD button will change back to the white light.Note: There are several parameters that must be loaded including Frame Rate, Exposure Mode,White Balance, Gain Setting, IRIS, EV, Shutter, HDR, Brightness, Saturation, Contrast, Sharpness,3D DNR, Audio Standard and Audio Setting.4.4 About the LCD After the system is powered on, there are several parameters including Exposure Mode,White Balance, Frame Rate, EV, Shutter and Gain that will be shown on the LCD. After entering the MENU, there are several parameters including Brightness, Saturation,Contrast, Sharpness, 3D DNR, Audio Standard, Audio Setting, Frame Rate, Factory Default,Firmware Version and other control items that are related to the MCU that will be shown bythe LCD.4.5 The Operation of the MENU Button4.5.1 How to Enter and Exit the MENUPlease follow following steps for entering the MENU.Step 1. Please press the MENU button and then the MENU button will be shown in red andusers can enter the MENU.Please follow following steps for exiting the MENU.Step 1. After entering the MENU, press the MENU button again or press the CANCEL buttonwill help users to exit the MENU or to go back to the previous layer of the MENU. When the MENUis exited, the MENU button will be shown in white.Note:When entering the MENU, other functions will be locked (The backlight of the button willbe turned off) except CAM 1 to CAM 4 buttons. When the MENU is exited, backlights for otherbuttons will be turned on again.4.6 The Operation of the Knob beside the MENU ButtonFor the operation of the knob which is next to the MENU button , please follow followingdescriptions. Turn the Knob Clockwise: After entering the MENU, please turn the knob clockwise and thenthe arrow will go down through each option for users to select their desired option. When the