FISCHER 205M, User Manual, Page: 12 / 21

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Barograph User’s Manual
:HHNO\ Orientation 'DLO\ Orientation
Clockwork Key
Gear Wheel
4.2. Mechanical Clockwork
To remove the drum, insert the clockwork key in the drum and turn the key in a clockwise motion. Us-
ing both hands, place fingers underneath the edge of the drum and lift it off the clockwork. After that,
the revolution cycle can be set by inserting the gear wheel in the desired orientation (daily or weekly).
Then replace the drum over the clockwork, and using the key, screw it back down in a counter-clock-
wise motion.
To start the mechanical clockwork, wind the clockwork key in a counter-clockwise motion until it is
fully wound — until it will turn no further. This will be about 9 or 10 full 360° turns of the key.