Leica M series Manual 82
TL RCI™: Color Intensity and Temperature
1 Potentiometer for controlling the CCIC™
(Constant Color Intensity Control) illumina-
tion intensity
2 Potentiometer for controlling the IsoCol™
color temperature
The transmitted-light base TL RCI™ has two
electronic potentiometers that control the color
intensity (1) and color temperature (2).
The controller for the color temperature simul-
taneously serves as an electronic shutter:
To interrupt your work, click the potentio- ★
meter (2).
Click again to switch on the illumination. ★
The electronics return to the previously
configured settings.
1 2
Using a USB mouse (only TL RCI™)
The Leica USB mouse controls the CCIC™ and
dimming function of the TL RCI™ base. Connect
the mouse to the corresponding USB port of
the base.
The scroll wheel of the mouse is occupied ★
by default with the CCIC™ control system
and is used to control the illumination
intensity.
To switch the illumination on or off, briefly ★
click the scroll wheel.
To enter or exit dimming mode, click and ★
hold down the scroll wheel for longer than
2 seconds.