Whistler MFU440 User Manual page 7

9. Dim / Dark – engages Dim/Dark modes. Press
and hold 3 seconds to start or stop recording.
10. Menu Button – enters Option Select Mode.
Press and hold 3 seconds to turn Wi-Fi On/Off.
Engaging/disengaging Wi-Fi will pause the
Recording.
11. OLED Text Display – provides better contrast,
brightness and color/shows alerts detected,
signal strength, and indicates engaged modes of
operation.
12. GPS Antenna – provides Traffic Camera alerts as
well as other speed selective settings.
13. Power Port – provides connection for the power
cord.
14. USB Port – provides connection to a PC for data
updates.
15. DVR Lens – 130° field of view.
16. Wi-Fi – Allows unit to connect to app via Wi-Fi, to
control DVR settings.
17. Micro SD Slot – Slot for memory card.
18. External Audio Port – 2.5 mm size port for
external audio use.
FEATURE DESCRIPTION
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