Lowrance Elite-7 HDI Operation Manual - Page 30

Frequency, Custom Range - Upper and Lower Limits, Ping Speed - transducer options

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Custom Range - Upper and Lower Limits Used to select the upper limit and lower limit of a section of the water column. That allows you to view a section of the water column that does not include the water surface. Frequency Controls the transducer frequency used by the unit. 800 kHz offers the best resolution, while 455 kHz has greater depth coverage. Ping Speed Controls the rate the transducer uses to send sonar waves into the water. Ping speed adjustments can help reduce interference from other transducers. Upper and lower limits must be at least 6.5 ft (2m) apart. Downscan options NOTE: When using a custom range, you may not receive any digital depth readings, or you may receive incorrect depth information. Downscan options 27 DSI Operation | Elite-7

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27
DSI Operation |
Elite-7
Frequency
Controls the transducer frequency
used by the unit.
800 kHz offers the
best resolution, while 455 kHz has greater depth
coverage.
Custom Range — Upper and Lower Limits
Used to select the upper limit and lower limit of
a section of the water column. That allows you to
view a section of the water column that does not
include the water surface.
Upper and lower limits must be at least 6.5 ft (2m)
apart.
NOTE:
When using a custom range,
you may not receive any digital depth
readings, or you may receive incorrect
depth information.
Ping Speed
Controls the rate the transducer uses to send sonar
waves into the water. Ping speed adjustments can
help reduce interference from other transducers.
Downscan options
Downscan options