Furuno NAVNET TZ2 TZTL12F Operator's Manual page 315

12. INSTRUMENT-RELATED DISPLAYS
You can customize the CZone Control, CZone Modes and CZone monitoring
screens. See section 12.6.
Display and operations from the Slide-out menu
1. Open the Slide-out menu.
2. Tap [CZone Control] to show the following menu.
3. Swipe up or down or tap ">" to select an item in the [SUB CATEGORIES] section.
4. Use [ON], [OFF], [←], [↑], [↓], [→] to control CZone equipment.
5. Tap the close button on the title bar to close the menu.
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Customized screen (example)
9