When enacting ritual in public, it's always best to make the directions part of the ritual itself.

Horns blow.

Procession to altar.

 

At the altar, officiant raises arms and chants:

Let all cell phones be turned off now: So mote it be.

Let all cell phones be turned off now: So mote it be.

Let all cell phones be turned off now: So mote it be.

(People join in third time.)

 

Officiant (chants):

There is to be no photography during the ritual: So mote it be.

There is to be no photography during the ritual: So mote it be.

There is to be no photography during the ritual: So mote it be.

(People join in third time.)

 

Officiant (spoken):

People of [god or goddess to be invoked]

Let us now, each one of us, in the privacy of our own hearts, prepare ourselves for the Great Work which, together, we are about to do.

 

Silence.

(Officiant lowers arms.)

Horns blow.

Ritual begins.