Lowrance hds-5x 用户手册

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页码 91
26
Sonar
Colorline
Distinguishes strong sonar echoes from 
weak sonar echoes. That makes it easier for 
you  to  distinguish  fish  or  structure  from  the 
bottom. 
A hard return will be shown as a wide, bright 
yellow line, whereas a soft return will be a 
narrow reddish-blue line.
Range
Used to select the section of the water column — 
from surface to bottom — shown on the display. 
When there is a portion of the water column you 
want to focus on, select a range from the Depth 
Range menu that includes the desired area. 
The values on the Range menu determine the depth 
shown on the display. If you selected 20m from the 
range menu the unit will display 0-20m of the water 
column, regardless of the water depth. There are 
21 depth ranges, including automatic and custom 
settings. The automatic setting will set the range from the water surface to water 
depth.
Frequency
This unit supports three transducer frequencies; two of which are supported by your 
transducer. 200 kHz has the highest sensitivity and best target discrimination in 
shallower water; 83 kHz offers a wider cone angle for greater water coverage and 
50 kHz provides the best depth penetration. You can view both available frequencies  
at the same time by setting up a sonar split screen.
Split 
Adjusts the configuration of sonar page display using one of four options: No Split, 
Zoom, Bottom Lock and Flasher.   
Wide yellow hard 
sonar return
Reddish-blue soft 
sonar returns
Range set to 60 feet