Furuno FAR-2807 - Manual (Page 42)

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7. ARP SYMBOLS
The ARP symbol is available in the 10 shapes shown in the illustration below. You can
select shape desired as follows:
1. Select target with trackball.
2. Press the TARGET DATA key repeatedly to select symbol desired.
Note: If you are using the trackball-type control unit (RCU-015, RCU-016), ARP
symbol shape cannot be chosen by the above procedure. However, you can program
a function key to do so, with the combination of the "STD KEY" category and the option
"TARGET DATA." For how to program a function key, see section 4.1.2.