Operation Manual
Page 22
... speed adjustments can help reduce interference from other transducers. Frequency Controls the transducer frequency used by the unit. Sonar Operation | Elite-4x HDI 20 Noise Rejection Uses advanced signal processing to send sonar waves into the water. This unit supports three conventional sonar frequencies: ...50kHz, 83kHz and 200kHz. 200 kHz has the highest sensitivity and best target separation in shallow water. 83 kHz offers a wider cone angle for the selected...
... speed adjustments can help reduce interference from other transducers. Frequency Controls the transducer frequency used by the unit. Sonar Operation | Elite-4x HDI 20 Noise Rejection Uses advanced signal processing to send sonar waves into the water. This unit supports three conventional sonar frequencies: ...50kHz, 83kHz and 200kHz. 200 kHz has the highest sensitivity and best target separation in shallow water. 83 kHz offers a wider cone angle for the selected...