Furuno FM-4000 - Manual (Page 67)

Page 67 FM-4000
13. Turn the CHANNEL selector knob to select the
method of the time adjustment between “Automatic Automatic Automatic Automatic Automatic ”
and “Manual Manual Manual Manual Manual .”
14. Press the [ENT] key to store the selected setting.
15. To exit this menu and return to radio operation mode, press the [16/9] key.