Staff Whistles

I have read that male crew member used whistles on the night of the disaster.
Does anyone have any information whether or not the female crew were issued with whistles and is there any accounts of them using them.
Thank you
Some officers use a whistle (as 3rd Officer Pitman an 2nd Officer Lightoller) but haven't seen anything about a steward using them. Stewardesses are very unlikely to have one, none of the surviving stewardesses mentioned it.