ZEISS
6 Care and Maintenance | 6.3 Maintenance Work
5. Gently press the fastening screw towards the microscope and turn it counterclockwise by
90°.
à
The halogen module is fixed.
6.3.2 Replacing the Batteries of the Battery Supply Unit
WARNING
Danger of electric shock
Electric shocks can cause serious injuries or death.
4
Before changing the batteries, switch off the device.
4
Unplug the microscope from the mains power supply.
4
Insert rechargeable batteries only.
4
Use only batteries of the same type and capacity as specified, see Technical Data and Con-
formity.
4
Make sure that the battery type switch is in the correct position for the battery type being
used.
Procedure
1. Loosen the four slotted screws of the battery supply unit.
2. Remove the lid upward.
3. Insert five commercial mono-cell batteries (D),
type NiCd or NiMH, 1.2 V, with a capacity of
5000 mAh (min.) to 9000 mAh (max.),
4. Pay attention to the correct polarity (see markings in the battery compartments).
Instruction Manual ZEISS Primostar 3 | en-US | Rev. 1 | 415501-7011-111_en
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