Humminbird HELIX Series Operation Manual page 42

Set the Down Imaging Beam Width
If the XNT 9 SI 180 T (Compact Side Imaging transducer) is installed, you can set the width of the beam (side to side) used for the
Down Imaging View. To see only the data directly under your boat, select Narrow. Medium reveals more information, while Wide
displays the maximum information available from the Down Imaging beam width. See Understand the Down Imaging View for more
information.
1. Main Menu (Custom User Mode): Press the MENU key twice. Select the Sonar tab.
2. Select Down Imaging Beam Width.
3. Press the RIGHT or LEFT Cursor keys to select a width.
Select a Frequency for the Side Imaging View
Use the instructions in this section to choose a frequency that will be used for the Side Imaging View.
NOTE: You can also change the frequency in the Side Imaging View while you fish by pressing the CHECK key (see the Side Imaging
section: Adjust Settings While you Fish).
frequency
label
Select a Frequency for the Side Imaging View
1. Main Menu: Press the MENU key twice. Select the Sonar tab.
2. Select SI CHIRP Display Frequency.
3. Select a frequency.
For details, see the tables in Understand Transducer Frequencies and refer to your transducer model.
Set up Sonar
(optional, XNT 9 SI 180 T only)
(optional, CHIRP MEGA SI, CHIRP MEGA SI+ models only)
Display Frequency for the Side Imaging View (CHIRP MEGA SI)
(HELIX 9 CHIRP SI GPS G2N)
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