"UP": Volume will be increased pressing this button.
"MENU": Exchange of city mode and highway mode.
"DN": Volume will be reduced pressing this button & to shift between the city mode and high way mode, it will change language to Russia or English if press this button over 5 seconds.
The radar has automatic default storage function for all settings. The default setting for the new product is: Volume is in the high end/ Screen is in the status of brightest/High way mode.
City Mode:
To alert the motion signals when in city mode. Press "+" button, the vocal report be reported every 10s. it will return to the default setting when the motion signal disappeared.