OPERATIONZEISS Controlling the Colibri 7 solid-state light source Colibri 724 423052-7344-001 02/20174.2.1 Control via TFT display of themicroscopeColibri 7 has been mounted on themicroscope, connected via CAN andpowered via the desktop power supplyunit.The microscope has been switched on.• Select the Colibri LEDs page on the TFT displayof the microscope: PressMicroscope -> Control -> Colibri LEDs(see Fig. 13).• Open the shutter in the reflected light path byclicking the RL Illumination -> On button.• Switch on the desired LED by shortly pressingthe corresponding button, e.g. UV button.The button changes its color from blue to gray.• To activate the LED for brightness adjustment,press the corresponding button longer.The marking circle in the upper left of the buttonchanges to green.• Set the desired brightness with the selectorwheel on the microscope stand (e.g. on frontside of Axio Observer).The current brightness adjustment of the LED willbe displayed in percent in the button below theletter.The G and Y intensity has always anidentical value because the same LED isused for both excitation colors.• To adjust the brightness control of all LEDs switched on simultaneously press the button (sun).This button will now be gray , and all LEDs switched on are activated and marked with a green circle(see Fig. 14).• Set the desired brightness for the LEDs switched on simultaneously using the selector wheel on themicroscope.In the display field below the LED buttons the wavelength and current brightness settings are displayedfor the selected LED.Fig. 13 TFT display, page "Colibri LEDs":one LED switched on and activatedfor brightness adjustmentFig. 14 TFT display, page "Colibri LEDs":three LEDs switched on andactivated for brightness adjustment