Sensitivity Setup - Si-tex Explorer Nav Pro User Manual

1. On Fish Finder page press [MENU]
2. Select "Frequency kHz"
3. Press [ENTER]
When operating in double frequency (200/50 kHz) Fish Finder's page is divided into two
sides. Move cursor between them to operate on either side:
1. Press [Menu]
2. Press [Menu] again
The active side is framed with the green color and the green transparent sign is shown for few
seconds after changing the active side.

18.5 Sensitivity setup

The Sensitivity menu allows tuning the Range, Gain, Surface Noise Filter and the Sensitivity
Time Constant (STC).
Quick access to Range and Gain from Fish Finder menu:
1. On Fish Finder page press [MENU]
2. Select "Range Mode" or "Gain Mode"
3. Press [ENTER]
4. In the popup that appears choose the desired mode: "Auto" or "Manual" for Gain; "Auto",
"Manua"l or "Bottom Lock" for Range.
The Manual and Bottom Lock adjustment can be done on Sensitivity page:
1. On Fish Finder page press [MENU]
2. Select "Sensitivity"
3. Press [ENTER]
4. Select "Range Mode" or "Gain Mode"
5. Press [ENTER]
6. Select "Manual" (or "Bottom Lock" for the Range Mode) and press [ENTER]
7. Move joystick to select the value which you want to change
8. Press [ENTER]
9. Insert the value and save it by pressing "Done" button of numeric software keyboard
10. Press [ENTER]
When in Manual Range Mode it is possible to set Shift (the offset from the surface) and Depth
on which the Fish Finder shall operate.
When in Auto Range Mode the Fish Finder determines automatically the range as to keep the
bottom visible in the lower left of the screen. In this mode, Shift is always set to 0.
Chart Plotter - User Manual
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