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Operating Instructions
Display and Key Functions
hand Wheel Brakes
24
Operation Manual HM335S
c
!
aution
For your personal safety, both brakes must always be activated when
working on the specimen holder or knife carrier.
Note!
The microtome is equipped with an electronic brake and a mechanical
hand wheel brake to prevent unintended movements of the specimen holder.
Activating the brakes reduces the risk of being injured when adjusting the
specimen clamp and/or knife/blade carrier.
c
!
aution
When the instrument is turned off, the electronic hand wheel brake
cannot be activated! Whenever the instrument is turned off, activate the
mechanical brake.
•
To lock the mechanical hand wheel brake pull the lever upwards
(in direction of the arrow). The STOP symbol appears in the dis-
play.
To activate the electronic brake, press button [4]. The red LED in the
brake button [4] lights up. Now, the motorized cutting drive cannot be
started by mistake!
To release the electronical brake, press the brake button [4] again.
c
!
aution
For safety reasons, the electronic brake is automatically activated after
each stop of the motorized cutting drive.
Mechanical Hand
Wheel Brake
Thermo Fisher Scientific
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