NAVIGUIDE 4000 056336 Rev. AA7.1: BIU Setup Menus Page 7–57.1.5 Toggling Parameters On or OffWhen a parameter setting is made by enabling or disabling a given function, therewill be no sub-menu presented when the parameter is selected. Instead, a tickboxindicates whether the parameter is on or off., which may be toggled directly asshown in Fig.7–4.Fig. 7–4:TogglingOptionsOn/OffBASIC SETTINGSAUD.BUTTON RESP öBASIC SETTINGSAUD.BUTTON RESP ÷right key:toggle option on/off