Operation Manual
Page 22
..., and then filters out undesired signals. Sonar Operation | Elite-4x HDI 20 Frequency Controls the transducer frequency used by the unit. 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 fishing...
..., and then filters out undesired signals. Sonar Operation | Elite-4x HDI 20 Frequency Controls the transducer frequency used by the unit. 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 fishing...