Lowrance Elite-7x CHIRP Operation Manual - Page 20

Custom range menu NOTE: When using a custom range, you may not receive any digital depth readings, or you may receive incorrect depth information. Frequency Controls the transducer frequency used by the unit. This unit supports the following frequencies: 50 kHz, 83 kHz, 200 kHz, Low CHIRP, Medium CHIRP and High CHIRP. Only frequencies supported by your transducer will be shown on the Frequency menu. 50 kHz Sonar Frequencies Best depth penetration with lower resolution 83 kHz Wider cone angle provides more bottom coverage 200 kHz Highest sensitivity and best target separation in shallow water Low CHIRP Provides the best depth penetration with lower resolution Better depth penetration Medium CHIRP than High CHIRP with minimal loss of target separation High CHIRP Better resolution in shallow water than Medium CHIRP 17 Sonar Operation | Elite-5x & Elite-7x