Standard Horizon CP390i, Owner'S Manual, Page: 138 / 168

CP390i and CPF390i Page 139
bottom. Let’s say the bottom is 400FT and the Bottom Lock Range is set to display 30FT
around the bottom, the screen (instead of displaying from 0FT to e.g. 450FT) will display only
a Range of 30FT around the bottom, e.g. from 380FT to 410FT.
17.8.1 Depth
Moves the display from showing the bottom to the depth value entered.
17.8.2 Shift
Shifts the display from the bottom of the transducer to the depth value entered.
Example: Your vessel is in about 57FT of water, however there is fish suspended in 35FT
of water. You want to display to 10FT area around the fish. Shift would be set
to 30FT and Depth would be set to 40FT shown in example below.
Top of display
Shift = 30 Ft
Bottom of display
Depth = 40 Ft
30
35
40
Figure 17.8.2 - Example of Depth and Shift
17.9 INTERFERENCE REJECTION
Figure 17.9 - Interference Rejection menu
Turns On or Off a filter to remove noise from other Fish Finder or Depth Sounders that may
be near by when fishing.
17.10 SENSITIVITY MENU
All settings in the Sensitivity menu are related to the selected Fish Finder transmit frequency
(50 or 200kHz).