
Keyboard
unit is operated from the keyboard, and is almost 100% keyboard controlled. Operation is simplified by the use of menus which you access by pressing a function key, numbered 
FILE EDIT OPERATE WINDOW STATION SYSTEM WRU HR OVER BREAK
Esc F1
F11
F2
F12
F3  | F4  | F5  | F6  | F7  | F8  | F9  | F10  | Num  | Prt Sc  | Scroll  | Pause Insert  | Delete  | 
Lock  | SysRq  | Lock  | Break  | 
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~  | !  | @  | #  | $  | %  | ^  | & 7  | * 8  | ( 9  | ) *  | _  | +  | Backspace  | 
`  | 1  | 2  | 3  | 4  | 5 C  | 6  | 7  | 8  | 9  | 0  | -  | =  | 
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Tab  | Q  | W  | E  | R  | T  | Y  | U 4 I  | 5  | O 6  | P  | 
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Caps Lock  | A  | S  | D  | F  | G  | H  | J  | 1  | K 2  | L  | 3 :  | +  | "  | 
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Shift  | Z  | 
  | X  | C  | V  | B  | N  | M 0  | <  | 
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Fn  | Ctrl  | Alt  | 
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 Enter
Shift
PgUp
End  | 
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Figure 2-4  Keyboard
Note: C (Euro mark) on
%
5 C key is not used.
Main Unit
The main unit mainly acts as the interface between radio equip- ment, navigator and the terminal unit.
Printer (option)
The printer prints messages. Refer to its operator's manual for op- eration.