BMW Motorrad F 750 GS 2021, Rider'S Manual

Page: 90 / 314

84 OPERATION
siren "hold & peak" with the
horn button 2 .
Operate switch 3 at bottom
to operate the emergency
power siren "airhorn" with
the horn button 2 .
The siren signals "hold
& peak", "airhorn" and
"hilo" have a higher priority
than "wail/yelp".
The siren remains on for as
long as horn button 2 is oper-
ated.
If the vehicle has country-spe-
cific coding for US siren (one-
button operation), press F3 .
Microphone
with intercom system OE
with single seat with radio
transceiver box OE
Open the two-way radio box
( 224).
Remove microphone 1 from
the holder 2 .
Press the intercom button 3 .
Voice announcements can
now be made.
Adjust volume using the po-
tentiometer 4 . Turn the po-
tentiometer while making
sure to avoid feedback.
Release the intercom button 3
between announcements.
Place the microphone 1 back
in the holder 2 after the an-
nouncement.
Closing the radio transceiver
box ( 212).
AUTHORITY-VEHICLE
SPEEDOMETER
with km/h instrument cluster
for special vehicle OE
Setting road speed
Press the right side of the 1
button briefly (F4) to save the
actual speed once.
Depending on the equip-
ment and customer re-
quest, the function keys F1
to F4 can be assigned special
functions (see Technical Data).