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KEY
PRESS TO...
PRESS AND HOLD TO ...
MUTE/
DIM
MUTE
MUTE on - Press
MUTE/DIM
to mute
an alarm. Returns to normal operation
10 seconds after the alert ends or if a
different band is detected during Mute
mode.
Mute On
displays for a few
seconds.
MUTE off - Press
MUTE/DIM
to restore
audible alarms before the 10 second
automatic mute time-out.
MUTE MEMORY
Save a Mute Location (Mute Memory) -
press
MUTE/DIM
again while Mute On
displays to save that GPS location and
frequency to memory. Mute Memory
displays on the screen.
R4 stores up to 1750 Mute Memory
points. The R4 shares 2,000 points
between Mute Memory and User Marks
as set in the Memory Quota menu.
Delete Mute Memory - Press
MUTE/
DIM
while
Mute Memory
displays; the R4
displays a delete confirmation message.
Press
MUTE/DIM
again to confirm.
MUTE RED LIGHT CAMERA VOICE ALERT
Mute the voice alert for a red light camera
alarm. Press
MUTE/DIM
while the voice
alarm for a red light camera sounds. The
voice alarm mutes.
MUTE ALERTS FOR POI OVERSPEED ALERT
AND USER LIMIT SPEED
When R4 alerts you to an overspeed or
speed limit situation (an alarm sounds and
the alert displays), you can press
MUTE/
DIM
to silence that alarm.
DIM - Changes the
display and key backlight
brightness:
Auto (Default). Set 2
automatic time periods
and brightness levels for
the OLED display (see page
22).
Bright
Dim
Dimmer
Dark (Dark is off unless
there is alert.)
Off (Off regardless of
whether or not there is
an alert.)
DURING RED LIGHT
CAMERA ALERT
Press and hold
MUTE/
DIM
to delete the red light
camera point.
RED LIGHT CAMERA POINT
DELETE
When R4 alerts you to a
red light camera (the alert
displays), you can press
and hold
MUTE/DIM
to
delete that camera point.
After confirming this
deletion, R4 will not give
an alert for that camera.