Uniden DFR9 English Owner Manual - Page 27

UPDATING THE FIRMWARE/DATABASE Uniden recommends that you update your DFR9's firmware and database periodically. Go to http://support.uniden.com, find your model, and check if you have the latest firmware. TROUBLESHOOTING IF... The unit won't turn on No display or audio. The unit alarms when the vehicle hits bumps. The unit alarms briefly in the same location but no radar source was in view. The DFR9 did not alert when a police car was in view. The vehicle starts but the DFR9 does not turn on. TRY THIS... Check the connections. Be sure they are all secure. xx If no display, check the connections. Be sure they are all secure. xx If no audio, check if Voice is turned off. Check the connections. Be sure they are all secure. There may be a motion sensor or house alarm in use within range. • The officer may not have radar/laser units turned on. • Check that the band is turned on. Press MENU and cycle through the options to get to the bands. If the band is turned off, the OLED will show OFF. Turn the band on. Verify that the power cord is securely connected to the unit and inserted into the cigarette lighter jack. SPECIFICATIONS Receiver Type: Radar Double Conversion Superheterodyne Self-Contained Antenna Antenna Type: Radar Linear Polarized E-vector Vertical -27 -