Raytheon V8010 Operation Manual page 51

MODE & FUNCTION KEYS
Selects full or split-screen Fishfinding displays, 'Racking
Plotter, or Navigation screens.
Sets range scale values with the
Sets the depth of the starting point of the fishfinding display
UP/DOWN
with the
Selects the Alarm menu to set various alarms.
Sets Chart speed using the
Sets the brilliance level of the CRT with the
direction keys; turns the keypad lighting ON or OFF.
Sets the level of background noise suppression; turns
interference rejection ON or OFF.
Confirms data input entries.
NUMERIC KEY!5
Calls up the menu set-up pages; selects digit 1.
Selects digit 3.
Selects frequency of fishfinder; selects digit 4.
Selects digit 5.
Marks present position as waypoint; selects digit 6.
Selects digit 7.
RIGHT SIDE
UP/DOWN
direction keys.
UP/DOWN
direction keys.
LEFT SlDE
direction keys.
OPERATION 43