Furuno NAVNET 1823C - Manual (Page 194)

5. CUSTOMIZING YOUR UNIT
5-20
4. Rotate the [ENTER] knob to select a main screen, then press the [ENTER]
knob. For example, select the radar display. Your choice is then shaded to
show that is has been selected.
Sub screen
HOT PAGE 1
RADAR PLOTTER SOUNDER
COMPASS HIGHWAY EXT VIDEO
Hot page setup menu, SPLIT X 3 screen, sub screen selection
5. Rotate the [ENTER] knob to select the screen to show at the top right 1/4
screen, then press the [ENTER] knob or the ENTER soft key.
6. Rotate the [ENTER] knob to select the screen to show at the bottom right 1/4
screen, then press [ENTER] knob or the ENTER soft key.
Note:
The SELECT WINDOW soft key functions to select the window to
process.
7. Press the [MENU] key to close the menu.