OPERATIONAxiovert 200 Axiovert 200 M Carl ZeissB 40-080 e 03/01 3-17Key to Fig. 3-13:1 On / Off switch2 Nosepiece (motorized)3 Reflector turret (motorized)4 OBJECTIVE keys (forward and backward)5 REFLECTOR keys (forward and backward)6 Focusing drive coarse / fine (motor-supported)7 ZERO key8 FOCUS keys (Work / Load)9 HAL on / off key10 FL key on / off (fluorescence shutter)11 Toggle switch for illumination intensity and programming12 1x OPTOVAR key (maximum of 3 positions)13 Left / Right key for Sideport switching14 Key for switching between visual observation, Frontport, Baseport15 FCT key – programmable function key16 Condenser (motorized)17 LCD display18 Key "Set LM"19 RS 232 connector20 CAN / SB connector (CAN-Bus, Sub-bus)On / Off switch (3-13/1)− position 0 = instrument switched off− position I = instrument switched on, switch lights upHAL key on/off (3-13/9)− Brief pressing switches the halogen illuminator on or off alternately.− When the unit is switched on again, the voltage present at the time of switching off is automaticallyset again.− When the unit is switched on, the lower line of the LCD display shows the voltage in a scale and thelamp voltage value (nominal value). When the unit is switched off, the message HAL OFF appears onthe LCD display.− Long pressing (> 1 s) automatically sets the brightness to 3200K for color photography.Motorized focusing drive (3-13/6)− Focusing knob available on both sides of the instrument.− Coarse adjustment - big knob− Fine adjustment - small knob