Smeg Built-in Microwave Oven Instructions For Use Manual page 26

Prepare the rotisserie rod with the food, tightening the screws A of the
prongs. Fit the frame B onto the second runners from the bottom.
Remove the handle D and position the rotisserie rod so that the pulley E
is still in the guides on the frame B. Push the frame B fully in until the tip
of the rotisserie rod enters the hole C on the rear wall of the oven. Place
a basin F on the bottom shelf and pour a little water into it to prevent
smoke from forming.
Keep the oven door closed during cooking. Heating up time must not
exceed 60 minutes.
Regular flashing of the thermostat indicator light during cooking is
normal and indicates that the temperature is being maintained constant
inside the oven.
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Instructions for the user
ROTISSERIE COOKING