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To set the months, push end A of the small tool
provided with the Atmos® clock into the aper-
ture located in the centre of the disc indicating
the lunations and turn it (in either direction) up
to the desired month, bearing in mind that the
month appears centred in its aperture on the
15th of the month. The position of the month
disc is therefore set approximately depending
on whether setting is performed at the start,
middle, or end of the month. You will have to
wait until the start of the month for a precise
setting.
You can nevertheless perform time setting (see
section on Setting the Time).
Once this has been done, you can set the moon
phase. To do this, consult a lunar calendar and
choose the date of a full moon to fine-tune the
setting. Insert end B of the adjustment tool into