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Preparation for operation
Wide-angle observation system
(such as Oculus)
➩Fit the SDI between the 0° assistant's attachment and tube as
pictured (Leica M844 only).
➩Insert the seven-pin plug of the SDI control cable (10448163)
into the OCF socket on the optics carrier.
➩Insert the five-pin plug of the SDI power supply cable
(10448162) into the CAN socket on the optics carrier.
➩Screw the BIOM adapter into the underside of the optics
carrier.
➩Loosen the clamping screw, slide the BIOM into the guide
and retighten the clamping screw.
You can control the wide-angle observation system
using your Leica handswitch or footswitch by
assigning the functions OCF1, OCF2 and OCF3:
Inverter on/off
BIOM focus up
BIOM focus down OCF3 pulse
If you select the function "OCF1 + XY reverse", the
wide-angle observation system is switched on and, at
the same time, the X and Y movement directions are
reversed.
The SDI is mounted directly on the optics carrier of the
Leica M820. If a beam splitter is to be used in addition,
mount it on the SDI using a stereo adapter (10446992).
32
OCF1 pulse
OCF2 pulse
Leica M844 – Leica M820 / Ref. 10 713 294 / Version I
For further information, please see the manufacturer's
operating instructions OCULUS
(SDI/BIOM = Trade names of OCULUS).
Warning 5
There is a danger of injury to the patient as a result of
changing the working distance using the motorized
adjustment of the ceiling mount if the working distance
falls below the minimum of 140 mm due to the use of
accessories (such as wide-angle observation systems).
➩The footswitch function for moving the ceiling mount
up and down may not be used in combination with
accessories that cause the working distance to fall
below the minimum of 140 mm.
➩Before up/down movements, always check first to
ensure that the range of movement is free of
obstructions.
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