Furuno FAR-2107 Series Operator's Manual page 19

Programming the F1, F2 and F3 keys
1. Press a function key (F1, F2 or F3) twice. For example, press the F1 key.
[F1 REGISTER]
1 [PICTURE]
2 [IR]
3 [ES]
4 [EAV]
5 [PULSE LENGTH]
6 [WIPER]
7 [ECHO AREA]
8 [NO FUNCTION]
9 [NO FUNCTION]
0 [NO FUNCTION]
2. Select function desired then push the left button. For example, select 1 [PIC-
TURE].
[F1-1]
1 BACK
2 [ECHO]
3 [STD KEY]
4 [ARP AIS]
5 [OPERATION]
6 [PICTURE]
7 [MARK]
8 [PLOTTER]
9 [NAV LINE WPT]
0 NO FUNCTION
3. Select function desired then push the left button. The corresponding menu
appears. See the next page.
19