Opening: open the screen, then install the regulator 1 in situation B, C or D, depending on the necessary extent of disclosure;

Fig. 1.64. Control of the roof hatch: 1 – roof hatch regulator

Closing: install the regulator 1 in situation 0 (fig. 1.64).

Do not move the roof hatch if the screen is closed, you do not go with the open hatch of a roof and the closed screen.