Factory default is “Highway” Mode.
In “City 1” Mode, X band is not detected.
In “City 2” Mode, X band is not detected and K/Ka band sensitivity is lowered.
CAUTION
: Some towns and small cities may still be using X band radar.
5) Mute Mode
Press Mute Button.
Mute On
→
Silences the tone sound.
Note : Press Mute button again to restore tone sound.
6) Select Tone
Hold down the Mute button for three seconds.
The RMR-D550 will change tone sound.
7) Indicator and Visual
