Humminbird HELIX 9 Operation Manual page 15

Change Units of Measurement
Use the instructions in this section to change the units of measurement format. You can also change the time and date format,
language, and installation offsets from this menu. See Manage your Control Head for more information.
1. Main Menu: Press the MENU key twice.
2. Select the Setup tab.
3. Select Units - Depth, Units - Distance, etc., and select each unit setting as needed.
4. Close: Press the EXIT key.
Adjust the Backlight
1. Press the POWER key.
2. Select Light.
3. Adjust the Backlight setting from Dim to 10 (brightest).
Power Off
Use the following instructions to power off your control head. You should save the current track before powering off, and your control
head should always be turned off using the POWER key.
Save the Current Track
1. Chart X-Press Menu: With a Chart View displayed on-screen, press the MENU key once.
2. Select Save Current Track.
3. Press the RIGHT Cursor key.
Power Off
1. Press and hold the POWER key.
15 Getting Started