Type 5061-1100 Hand Wheel Telegraphs are used in the engine room for emergency operation. They are designed to be used with Type 5401-1100 Lever Telegraphs in the wheelhouse. The Hand Wheel Telegraphs can have 9, 11 or 12 orders. Each order has an engraved label, detent and indicator LED. Telegraph orders from the bridge are acknowledged by aligning the hand wheel pointer to the currently illuminated LED.