... , Bottom Zoom and Bottom-lock Expansion(10) Display Advance SpeedLines/TX: Freeze, 1/8, 1/4, 1/2, 1/1, 2 ... /1(11) TX Frequency Output power50 and 200kHz (alternately transmitted), 300W(12) Pulse ... -length/TX rateDisplay End Depth(m) 5, 10, 20, 40, 80, 150 ...