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8.2
Positioning the microscope
3
2
8.2.1
Coarse positioning
Hold the microscope by both handles (2).
X
Turn one handle to release the brakes (All Brakes).
X
Position the microscope and release the handle.
X
• The brakes can also be released using the remote brake
release (see chapter 7.11.4).
• Also refer to the "Releasing the brakes" chapter 7.11.4.
• Adjust the articulation brake for Leica M844 F20
according to personal requirements and weight of the
accessories (see chapter 14.13).
CAUTION
Damage to the M844 surgical microscope due to
uncontrolled tilting.
Hold the handle when releasing the brake.
X
8.2.2
Fine positioning
Use joystick (1) on footswitch to operate X/Y-drive and position
X
the microscope.
• Return to middle position by pressing the "Reset" key
(4) or the "Reset" buttons on the control unit.
• You can assign the function "XY Reverse" on your or
footswitch in order to reverse the X and Y movement
directions.
• You can change the speed at which the XY motors move
on the "Speed" menu screen.
• This value can be saved individually for each user
(see page 39).
1
4
M844 / Ref. 10 713 294 / Version 01
8.2.3
Adjusting the tilt
Turn the rotary knob (3) for tilt adjustment in the desired
X
direction and hold it there.
The microscope tilts in the desired direction.
• The microscope can be tilted 15° forwards and 50°
backwards.
• Pressing the "Reset" button on the control unit returns
the microscope to home position (0°).
8.2.4
"Reset" buttons
"Reset" buttons on the control panel:
• If a drive is in reset position, the "Reset" button assigned to it
appears in green.
• A "Reset" button that flashes green indicates that the
corresponding drive is moving to the reset position.
• A "Reset" button that appears in gray indicates that the
corresponding drive is outside of the reset position.
• Pressing the "Reset All" button returns all motors to the home
position and reloads the user settings of the current user.
Operation
43
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