Uniden America LRD750 RADAR DETECTOR User Manual
Uniden America Corporation RADAR DETECTOR
user manual
UNIDEN LONG RANGE RADAR/
LASER DETECTOR
LRD750
DISCLAIMER: Radar detectors are illegal in some states.
FEATURES
• X, K, and Ka band alarms
• X, K, and Ka band on/off
• POP and Laser alert alarms
• Highway/City modes
• Invisible to VG-2 and Spector I and IV radar detectors
• Mute alarm audio
• Voice alert notification
• Battery voltage display
• Dot Matrix character display
• Memory feature saves user’s last settings (except MUTE)
when the unit is powered down/disconnected from
power.
WHAT’S IN THE BOX
• LRD750 radar detector
• Straight 12V DC Power Cord
• Windshield Mounting Bracket
• Hook and loop fastener tape
• Spare fuse for DC Power Cord
LRD750
HARDWARE
NO. NAME WHAT IT DOES
1Eagle Eye 360° Laser detection
2 Power Jack Plugs into power source.
3 Eject Releases LRD750 from
mounting hardware.
4DIM Dims the display brightness.
5MUTE Turns off the sound.
6CITY Sets the unit to CITY or
HIGHWAY mode.
7 Power/
Volume Dial
Turns unit on and adjusts
volume.
8MENU Turns bands and other features
on and off.
9 Mounting
Bracket Slot
The mounting bracket fits into
this slot.
DOT MATRIX DISPLAY
The LRD750 contains a dot matrix display. When a signal is
detected, the display shows the band type and signal
strength in an increasing bar format. If the LRD750 detects
a laser, the display shows LASER.
INSTALLATION AND TURN UP
Install the LRD750 on the front windshield or on the
dashboard. For best performance, position the detector as
low as possible in the center of the front windshield. Be
sure the unit’s view of the road, either to the front or the
back, is clear.
INSTALLATION
WINDSHIELD
1. Clean the windshield and the rubber cups of the
mounting bracket. Attach the rubber cups to the
bracket.
2. Push the bracket firmly onto the windshield.
3. Slide the unit onto the bracket.
4. Gently adjust the bracket angle if needed.
5. Plug the power cord into the detector.
6. Plug the cigarette lighter adapter into the vehicle’s
cigarette lighter.
You can remove the detector by pressing the key.
Dashboard
1. Place the unit on the dashboard so that it has a clear,
level view of the road.
2. Remove the backing from one side of the hook and loop
fastener tape.
3. Place that fastener tape on the dashboard where you
want the unit.
4. Attach the other piece of the fastener tape to the
bottom of the unit and attach the unit to the dashboard
fastener tape.
5. Plug the power cord into the detector.
6. Plug the cigarette lighter adapter into the vehicle’s
cigarette lighter.
TURN UP
Once the detector is installed and the car is turned on, turn
the Power/Volume dial away from you until it clicks. The
unit is now turned on.
The unit cycles through the display in this order: X - K - Ka -
Laser, then signal strength except for Laser (L). Voice
announces each band.
Once the cycle is complete, the detector turns to standby
mode.
DETECTION
The LRD750 detects emissions from radar guns and sounds
an audio alert for the driver. The detector determines
which band range the signal is from and displays that
frequency type on the display (X, K, Ka, or Laser). The
frequency strength (1 thorough 5) also displays in an
increasing bar format.
BANDS
The LRD750 recognizes:
• X Band: This band was the first frequency band assigned
to police radar. It operated on a lower frequency
(10.525GHz) with a higher power output.
• K Band: This band is the most common frequency used
in radar detectors (24.150). Its relatively small
wavelength gives it a clocking distance of about 1/4 mile
although, depending on the environment, it can detect
up to 2 miles. Turn on the K band filter through the
menus to filter out weaker K band frequencies and
reduce false readings.
• Ka Band: Over the years, the Ka band incorporated the
Ka-Band, the Ka Wide-Band, and the Ka Super Wide-
Band. Most photo radars (also known as stop light
cameras) use this band.
• Laser: Police use the laser’s narrower light pulses for
speed detection as it is more accurate and faster. Laser
beams are more detectable after they have bounced off
their target and begin to disperse on the return trip.
MODES
The LRD750 operates in two modes:
• Highway. Provides audio and visual alerts any time all
bands and laser are detected. Recommended for
highway or rural driving. (X, K, Ka, Laser)
• City. Provides audio and visual alerts any time all bands
and laser are detected. Provides a stronger signal so it
can pick up weaker transmissions. (K, Ka, Laser)
VOICE ANNOUNCE
The LRD750 has a voice feature that tells you the unit
status as it changes. For example, if the unit picks up K
band transmissions, it announces “K band.” Turn this
feature on and off through the menus.
OPERATION
After installing your radar detector, you can set it to your
own specifications through the keys and the menu.
KEYS
KEY PRESS TO...
MUTE • Turn alert audio off (voice - Mute On)
during alert audio. Mute cancelled 10
seconds after alert ends.
• In Menus, return to the previous menu
option.
DIM • Change brightness from BRIGHT to DIM to
DARK. Voice announces all changes.
• In Menus, toggle the displayed setting.
1
3 4
5
6
2
79 8
Signal Strength (1 - 5)
Various Alerts
Band Type
CITY / HIGHWAY
Laser
X
Voltage Meter OFF
Battery
Voltage
CITY / HIGHWAY
H 12 . 8v
Voltage Meter ON
Highway
Standby Mode
KEY PRESS TO...
CITY • Change mode from HIGHWAY to CITY. Voice
announces all changes. Highway mode
receives all bands at all levels and is
recommended for highway driving.
• In Menus, toggle the displayed setting.
MENU Turn the following features on and off:
• Voice
• X, K, and Ka bands
• Laser
• POP
• K filter
• Auto Mute
• Battery
• Test
• Reset
MENUS
Press the MENU key to begin the menu cycle as listed in
the previous table. The screen displays the feature’s current
setting. For example, if the screen shows “K Band ON,” this
indicates that the K Band is on. If you want to turn it off,
press CITY or DIM.
MONITORING SPEED
A radar gun transmits radio waves at certain frequencies
that bounce off objects and return to the radar gun’s
receivers. The radar gun then calculates the speed of the
object. The LRD750 recognizes the following bands/
frequencies used by radar guns:
BAND FREQUENCY
X10.525 GHz
K 24.150 GHz
Ka 33.400 - 36.000 GHz
Laser 800 nm - 1100 nm
RADAR DETECTOR DETECTORS
(RDDS)
Radar detectors are illegal in some states. Law enforcement
officers use special equipment to detect signals radiated by
radar detectors. If they are in a state where radar detectors
are illegal and the officer detects a vehicle using a radar
detector, the operator of that vehicle could lose the radar
detector and be fined.
The LRD750 is designed to be invisible to signals from the
Spectre l, Spectre lV, and VG-2 RDDs.
CARE AND MAINTENANCE
Use common sense and your LRD750 will provide trouble-
free service. Please keep the following tips in mind:
• Don’t leave your unit on the dashboard during summer
months. Interior heat may exceed safe operating levels.
• Do not spray cleaners or other liquids on the unit.
Remove the unit when you are using these liquids.
• Do not use abrasive cleansers on the unit’s exterior.
TROUBLESHOOTING
IF... TRY THIS...
No display or audio. Check the fuse in the plug.
Replace if necessary.
The unit alarms
when the vehicle
hits bumps.
Check the connections. Be sure
they are all secure.
The unit alarms
briefly in the same
location but no radar
source was in view.
There may be a motion sensor or
house alarm in use within range.
The detector did not
alert when a police
car was in view.
• The officer may not have
radar/laser units turned on.
• Check that the band are
turned on. Press MENU. If the
band is turned on, the LCD
will show ON.
SPECIFICATIONS
Receiver Type:
Radar Double Conversion Superheterodyne
Self-Contained Antenna
Laser Pulsed Laser Signal Receiver
Frequency:
X 10.525 GHz
K 24.150 GHz
Ka 33.400 - 36.000 GHz
Laser 800 nm - 1100 nm
Detector Type:
Radar Scanning Frequency Discriminator
Laser Pulse Width Discriminator
Alarm Type Beep (Detected Band and Signal
strength)
Antenna Type:
Radar Linear Polarized E-vector Vertical
Laser
Front
Convex Condenser Lens
Laser
Back
Concave Condenser Lens
Dimensions 110.00 mm (D) x 69.00 mm (W) x 29.50
mm (H)
Weight 4.1 oz (115g)
Operating
Temp.
-4° to +185° F (Radar/Laser)
-20° to +85° C (Radar/Laser)
Storage
Temp.
-22° to +203° F (Radar/Laser)
-30° to +95° C (Radar/Laser)
Operating
Power Soure
DC 11.0 to 16.0 V
FCC/Industry Canada Information
FCC: AMWLRD750
ICC: 513C-LRD750
This device complies with part 15 of the FCC Rules.
This device may not cause harmful interference, and (2)
this device must accept any interference received, includ-
may void compliance with the FCC Rules. Any change or
void the user’s authority to operate the equipment.
L’appareil est conforme aux normes d’Industrie Canada.
-
One Year Limited Warranty
WARRANTOR: UNIDEN AMERICA CORP.
(“Uniden”)
ELEMENTS OF WARRANTY: Uniden warrants, for one year,
to the original retail owner, this Uniden Product to be free
WARRANTY DURATION: This warranty to the original user
-
id if the Product is (A) damaged or not maintained as rea-
-
serviced or repaired by someone other than an autho-
equipment or parts or as part of any system not manufac-
tured by Uniden, or (F) installed or programmed by any-
product.
STATEMENT OF REMEDY: In the event that the product
return it to you without charge for parts, service, or any
other cost (except shipping and handling) incurred by
performance of this warranty. THE LIMITED WARRANTY
SET FORTH ABOVE IS THE SOLE AND ENTIRE WARRANTY
PERTAINING TO THE PRODUCT AND IS IN LIEU OF AND
EXCLUDES ALL OTHER WARRANTIES OF ANY NATURE
WHATSOEVER, WHETHER EXPRESS, IMPLIED OR ARISING
BY OPERATION OF LAW, INCLUDING, BUT NOT LIMITED TO
ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR
FITNESS FOR A PARTICULAR PURPOSE. THIS WARRANTY
DOES NOT COVER OR PROVIDE FOR THE
REIMBURSEMENT OR PAYMENT OF INCIDENTAL OR
CONSEQUENTIAL DAMAGES. Some states do not allow
apply to you.
rights, and you may also have other rights which vary
from state to state. This warranty is void outside the
United States of America.
PROCEDURE FOR OBTAINING PERFORMANCE OF
original packaging). Include evidence of original purchase
and a note describing the defect that has caused you to
return it. The Product should be shipped freight prepaid,
by traceable means, or delivered, to warrantor at:
C/O Saddle Creek
Roanoke, TX 76262
(800) 297-1023, 8 a.m. to 4:30 p.m., Central, Monday
through Friday
POP Mode is a trademark of MPH Industries, Inc.
Issue 1, November 2014