Simrad AP25 - Selecting a Different Navigation Source; Multiple Station System

Operation
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To return from Dodge mode, press one of the following:
1.
Returns to NAV mode at present position with a
new NAV prompt. Keeps all offset estimates
(Wind/current etc.) in the algorithms
(recommended).
2.
Selects NAV mode at present position with a
new NAV prompt. May result in a less accurate
return to the track.
3.
Selects AUTO mode with the current heading as
the set course.
2.16 Selecting a different Navigation source
If you have more than one navigation source connected to the
AP25, you will be able to choose any for navigation. Refer to the
“Source select” item in the User Set-up 2 menu for details on
selecting a different navigator (page 38).
2.17 Multiple station system
In normal operation control is accessible from every control unit
connected to the AP25 system. One control unit is "active" and
provides the user with access to all functions. All remaining
control units are "inactive" and have no effect on mode changes
or course selection. A single press on any of the mode buttons on
an "inactive" control unit will allow transfer of command and
make it "active".