Beltronics Express 946 Owner's Manual - Page 19

. Rain or humid weather conditions can absorb transmitted signals before they reach your vehicle, again reducing detection range. . The police Radar unit is not properly tuned and is transmitting outside the X, K or Super Wideband Ka frequency ranges. Conditions that Affect Laser Alerts If you feel your unit is not properly alerting to the presence of Laser signals, keep in mind that rain, fog, high humidity and other weather conditions can affect the range that the Laser beam can be detected. Solutions for Common Problems If your Cordless is not operating properly, please refer to the outline below. Problem Unit not receiving power "Poor detection range" Erratic or frequent alerts Partial or no display Possible Cause Corrective Procedure Batteries require replacement replace batteries Antenna/lens opening partially blocked Reposition unit with unobstructed view of road ahead and behind. Radar signals unable to pass through windshield Determine whether your vehicle has a "heated windshield" known as Instaclear® or ElectriClear®, or is covered with a metallic sun screen. High concentration of Use  mode non-police X band sources Review section in this manual on Performance Verification Dim or dark mode engaged Disengage dim or dark mode 