Yamaha XXXXXX Owner's Manual page 34

SETTINGS
To activate/deactivate the amplifier
If an external amplifier is connected
to t h e veh i c l e, yo u c a n s p e c i f y
which amplifier you use, the internal
amplifier, the external amplifier, or
both.
1. Go to [Setting] menu.
2. Touch twice
amp].
The [External amp] screen ap-
pears.
3. To use the internal amplifier,
touch [Internal amp use] so that
a checkmark is added.
To use the external amplifier,
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touch [External amp use] so
that a checkmark is added.
You can add checkmarks for
both [Internal amp use] and
[External amp use].
If you do not want to use a spe-
cific amplifier, touch again so
that the checkmark is removed.
To set the speaker mode
1. Go to [Setting] menu.
[External
2. Touch
ing].
The [Audio tuning] screen ap-
pears.
3. To use the four speakers (two
s p e a k e r s i n f r o n t s i d e , t w o
speakers in rear side), touch [4
speaker] so that a checkmark is
added.
To use only the two speakers in
twice [Audio tun-
11-9
front side, touch [2 speaker] so
that a checkmark is added.
To c a n c e l s e t t i n g , t o u c h [ 4
speaker] or [2 speaker] again
so that the checkmark is re-
moved.