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MENU ITEM

FUNCTION

SETTINGS

Band Color

(Expert level 

only)

X Band

Signal setting matches signal 

strength level color.

Signal (Default)

Red

Blue

Green

Orange

Yellow

White

Violet

K Band

Signal setting matches signal 

strength level color.

Signal (Default)

Red

Blue

Green

Orange

Yellow

White

Violet

MRCD/T Band

Signal setting matches signal 

strength level color.

When MRCD/T is on:

Signal (Default) 

Red

Blue

Green

Orange

Yellow

White

Violet

Gatso RT3/4 Band:

Signal setting matches signal 

strength level color.

When Gatso RT3/4 is on:

Signal (Default) 

Red

Blue

Green

Orange

Yellow

White

Violet

Ka Band 

Signal setting matches signal 

strength level color.

Signal (Default) 

Red

Blue

Green

Orange

Yellow

White

Violet

Summary of Contents for R4

Page 1: ...LONG RANGE Radar Laser Detector User s Manual R4 2021 Uniden America Corporation Irving Texas Issue 1 September 2021 Printed in Korea...

Page 2: ...tes Some states prohibit mounting any object on your windshield Check applicable law in your state and any state in which you use the product to verify that using and mounting a radar detector is lega...

Page 3: ...S 26 ALARM PRIORITIES 26 ATTENUATION 27 AUTO DIM 28 Set DIM to Auto from the R4 Power Cord 28 Configure Auto from MENU 28 AUTO MUTE AUTO MUTE VOLUME 29 BLOCK BLIND SPOT MONITOR SYSTEMS 29 DISPLAY FORM...

Page 4: ...ANCE 35 MAINTAINING THE EQUIPMENT 35 UPDATING THE FIRMWARE DATABASE 36 TROUBLESHOOTING 36 SPECIFICATIONS 36 FCC IC COMPLIANCE 37 FCC COMPLIANCE 37 FCC INTERFERENCE STATEMENT 38 FCC CAUTION 38 FCC RADI...

Page 5: ...uper Long Range Laser Radar Detection for X K Ka POP MRCD T and Gatso RT3 4 Remote keypad Optional MRCD T Alert priority Laser MRCD Ka K X with customizable tones Quiet Ride MRCD T on and off Voice No...

Page 6: ...Block Filter ON to block K band monitor systems Mute Memory save alarm Volume Adjust 0 8 Auto Mute Memory Two Low Noise Amplifiers LNA WHAT S IN THE BOX R4 Radar Detector 12V DC Cigarette Adapter with...

Page 7: ...VOL Turn volume up 9 levels 0 8 Default 4 In Menus go to next item Quickly turn volume up or down VOL Turn volume down 9 levels 0 8 Default 4 In Menus go to previous item MENU Access the Menu system...

Page 8: ...in to confirm MUTE RED LIGHT CAMERA VOICE ALERT Mute the voice alert for a red light camera alarm Press MUTE DIM while the voice alarm for a red light camera sounds The voice alarm mutes MUTE ALERTS F...

Page 9: ...arked An error message displays sounds if memory is full or there is a GPS error Delete all User Marks NON KEY ELEMENTS ELEMENT WHAT IS DOES Eagle Eye Provides a 360 monitoring radius Latch Slot Inser...

Page 10: ...elete When R4 alerts you to a red light camera the alert displays you can press MUTE to mute or delete press and hold that camera point After confirming this deletion R4 will not give an alert for tha...

Page 11: ...ph 42 H Displays to indicate end of a scan cycle Information displayed in example Speed mph or km h Wave Heart icon end of search cycle Highway City Auto Advanced Frequency Found Display Style 1 V 12...

Page 12: ...tor bar Dark Mode Set mode to Dark if the unit s OLED is not anticipated to change a lot to prevent image burn in Auto Dim setting In Dark mode the OLED is dark with a single white dot in the lower co...

Page 13: ...turns on and runs through a self test cycle Pull the unit from the dashboard separating the hook and loop tape MENU SYSTEM Menus let you set up the system to your own requirements You can turn differ...

Page 14: ...d mode Basic Expert Band Sensitivity Selection Changes band sensitivity as follows Highway Full Sensitivity City X and K sensitivity reduced Ka band sensitivity same as Highway Auto the R4 will automa...

Page 15: ...ault 30 In decreasing 10 increments Auto City Speed Sets the speed at which the R4 changes from City mode to Highway mode and back 10 60 mph in 5 mph units or 10 100 km h in 10 km h units GPS Turn GPS...

Page 16: ...ency Voice Announces the detected Ka band frequency On Off Default X Band Turn off to have the detector ignore X band frequencies Turn on for X band sensitivity as follows Highway Full sensitivity Cit...

Page 17: ...alse detections On Off Default TSF Expert level only Traffic Sensor Filter Prevents false alarms caused by traffic monitoring radar systems On Off Default K Block1 Filter Expert level only Keep K Bloc...

Page 18: ...ault On Ka 1 33 399 33 705 On Off Ka 2 33 705 33 903 On Off Ka 3 33 903 34 191 On Off Ka 4 34 191 34 587 On Off Ka 5 34 587 34 803 On Off Ka 6 34 803 35 163 On Off Ka 7 35 163 35 379 On Off Ka 8 35 37...

Page 19: ...Band Option Set specifies which bands will be muted X K Default X K and Ka Threat Expert level only Displays if more than one radar signals are detected at the same time The signal with the strongest...

Page 20: ...lt Red Blue Green Orange Yellow White Violet MRCD T Band Signal setting matches signal strength level color When MRCD T is on Signal Default Red Blue Green Orange Yellow White Violet Gatso RT3 4 Band...

Page 21: ...Style 1 Default V 12 8 Ka 33 800 Alert Display Numb 2 V 12 8 Ka 33 800 GHz Lorem ipsum Speed Unit If GPS on Select the speed measurement type mph default km h X Band Tone Set a tone to indicate X Ban...

Page 22: ...n Default Off Auto Mute Volume Sets a volume level for muted alarms 0 7 Default 2 Off Dark Mode Brightness Setting Expert level only Set Alert brightness Bright Dim Dimmer Default Auto Dim Setting If...

Page 23: ...On Off Default Quiet Ride Beep Volume If GPS on Sets the volume for Quiet Ride alerts 0 8 Default 1 Limit Speed If GPS on Set an alarm to sound if you go faster than this selected speed Off Default 5...

Page 24: ...on Delete all saved Mute Memory points There is no confirmation request to delete all Mute Memory points Press MENU to delete all saved Mute Memory points Delete All Auto If GPS on Delete all saved A...

Page 25: ...e prolonged such as at red lights You can also press the MUTE button on the power cord Change the screen s brightness Press and hold MUTE DIM The R4 announces the brightness level Bright Dim Dimmer Da...

Page 26: ...onfirmation message displays and is announced Update the firmware and database Refer to www unidensupport com for details Adjust the time Go to Menu Expert and select any menu mode Press VOL to scroll...

Page 27: ...Alert display style 2 V 12 8 Ka 33 800 V 12 8 Ka 33 800 GHz Lorem ipsum User Limit Speed Alarm mph 58 Over Speed Vehicle Low Battery Voltage Warning Vehicle Battery Saver Alarm Low Battery ATTENUATIO...

Page 28: ...the power cord 1 Press MENU Press VOL or VOL to scroll through the menu options until Auto Dim Setting displays 2 Press MENU to display Auto Dim options display Time or Sensor Selecting Time will let...

Page 29: ...0 7 in the Auto Mute Volume menu see page 22 If the current volume level is 0 the R4 will not change the volume to the Auto Mute Volume level it will keep the volume level at 0 Auto Mute ends 10 secon...

Page 30: ...another Select SCAN display through the Display Mode menu V 12 8 H Displays to indicate end of a scan cycle Time Display The OLED displays the time in the center of the OLED if Time Display is selecte...

Page 31: ...tection scale for city driving City mode reduce sensitivity so that false signals such as from automatic door openers are filtered out Under factory default conditions X band off on all modes K and Ka...

Page 32: ...e two The maximum amount saved for one point type is 1 750 the minimum amount saved for the other point type would be 250 total 2 000 points If the first point type drops by 250 points 1 500 points th...

Page 33: ...s where you muted the audio GPS location and the frequency you muted It will automatically mute when you travel to that location and the saved frequency is detected however if a different frequency is...

Page 34: ...Q Ride flashes in green on the OLED Ka and Laser bands are NOT muted Mute Memory overrides Quiet Ride mph 45 K 24 120 Q Ride RED LIGHT CAMERA POINT DELETE Expert level only When you are at a red ligh...

Page 35: ...ly monitor traffic When you are at the location press MARK The R4 announces User mark logged Now when you approach these points the R4 announces User mark ahead Press and hold MARK at that location to...

Page 36: ...no radar source was in view There may be a motion sensor or house alarm in use within range The R4 did not alert when a police car was in view The officer may not have radar laser units turned on Chec...

Page 37: ...Frequency Discriminator USB Interface USB Specification 2 0 1 1 Laser Pulse Width Discriminator Alarm Type Voice and Beep Detected Band and Signal strength FCC IC COMPLIANCE FCC ID AMWUA2101 contains...

Page 38: ...h the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmf...

Page 39: ...usions set out below WARRANTY DURATION cThis warranty to the original user shall terminate and be of no further effect 12 months after the date of original retail sale The warranty is invalid if the P...

Page 40: ...ates of America PROCEDURE FOR OBTAINING PERFORMANCE OF WARRANTY If after following the instructions in this Operating Guide you are certain that the Product is defective pack the Product carefully pre...

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