will be displayed right above the
keys to indicate the alternate
function.
The softkey symbols are illustrative, and they are
described under the functions as these appear in this
manual. The following general softkey symbols are used:
OK
Cancel
1.3 IS20 system examples
The IS20 may be installed as a stand-alone instrument
system, or as part of an advanced instrument or steering
system on the boat.
The figures below show simplified illustrations for basic
and an expanded IS20 system.
8 | Introduction