Miele HR 1134-1 Operating Instructions Manual page 48

Bake
Temperature
As a general rule, select the lower
temperature given in the chart.
Choosing a baking temperature higher
than those recommended may reduce
the cooking time, but will lead to
uneven browning, and unsatisfactory
cooking results.
Preheating
It is always necessary to preheat the
oven cavity.
Select the operating mode and
temperature. Preheat the oven for about
15 minutes with the door closed. As
soon as the oven cavity is preheated,
you can put the food in the oven.
48
Baking duration 
Check if the food is cooked at the end
of the shortest duration quoted. To
check if a cake is ready insert a wooden
skewer or toothpick into the center, it
should come out clean.
Shelf level 
The shelf level on which you place your
food to bake will depend on the oven
mode and the number of trays being
used.
– Conv Bake (Convection Bake)
1 Tray: level 3
2 trays: levels 3+5
– Bake
1 tray: level 3
Bake moist baked goods and cakes/
pies on no more than two levels at the
same time.