====== Model KR1B / 603 Dual Paddle Memory Key ====== {{603.jpg?150|}} ===== Description ===== This iambic paddle is designed to operate the keyer system built into the Corsair II Model [[561]], including operation of the 40 character memory. Paddle "travel" is adjustable. Paddle "tension" is adjustable using a magnetic system controlled with a single rotary knob. Keyer is powered from an auxiliary DC jack on the rear panel of the Corsair II.