... . General(1) Display10.4“ inch TFT LCD(2) Echo Color8 colors (including background color) according ... Bottom Lock Expansion Range5/10meters, 10/20feet, 2/5fathoms, 2/5passi/braza(7) Auto ModeAutomatic adjustment of range ... : Freeze, 1/8, 1/4, 1/2, 1/1, 2/1(11) TX Frequency Output power50KHz, 200KHz ... 80, 80, 160, 320, 560, 1.2s, 2.0s(14) Interference RejecterRejects unwanted signals by comparing last and ...