Beltronics Express 936 User manual

with 65 Digital Voice Messages and Digital Display
Operating
instructions
for model
E936CS
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12893 Bel Express 936 Manual 4/26/01 2:30 PM Page 1

introduction
Thank you for purchasing an express 936
Radar/Laser/Safety detector. express 936 offers the most
advanced technology available for detecting all Radar and
Laser speed monitoring devices. In addition, express 936
features Digital Voice, Text Message Display and the Safety
Warning System® with 60 Digital Voice messages.
To ensure maximum benefit from your new unit, please
read all instructions before operating your unit.
Remember, owning a Radar detector does not give you a
license to speed.Alerts from a Radar detector serve as an
effective reminder to check your speed. Laws vary
throughout North America governing the use of a Radar
detector. It is your responsibility to follow these laws.
selectable features
Safety Warning System® (sws™ )
express 936 detects encoded signals from sws™transmitters
and provides 60 messages for:
Highway Construction/Maintenance, Highway Hazard Zones,
Weather Related Hazards, Travel Information/Convenience
and Emergency/Slow Moving Vehicles. For a complete
description of sws™audio and visual alerts, see page 18.
- Guard® Alert
express 936 features vg-2 Guard®
, to detect signals from the
Interceptor vg-2 (Radar Detector Detector).
For a complete description of the vg-2 Guard®audio/visual
alert, see page .
Safety Warning System®with Digital Voice Messages
Choose between Digital Voice Messages with a unique sws™
tone or sws™tone only (see page ).
Radar/Laser Digital Voice Prompts
Choose between Radar/Laser Digital Voice prompts followed
by “beeps” or “beeps” only (see page ).

12893 Bel Express 936 Manual 4/26/01 2:30 PM Page 2

table of contents
Profile of Features l page 4
Description of Features
l page 5
Power Up Test Sequence l page 5
Tutor i a l Mo d e l page 5
Memory Retention of Feature Selections l page 6
Adjusting the Audio Level l page 6
drk (Dim/Dark) Button l page 6
aud (Audio Mute) Button l page 7
cty (City/Highway) Button l page 8
Reset to Factory Settings l page 8
Selectable Features l page 9
Entering Selectable Features Mode l page 9
Installation l page 10
General Guidelines l page 10
Understanding Radar, Laser and sws™
l page 13
Interpretation of Alerts
l page 14
Radar Alerts l page 14
Instant-On/Pulsed Radar Alert l page 16
Typical False Alert (Radar) l page 16
Laser Alerts l page 17
Safety Warning System® (sws™ )Alerts l page 17
Performance Verification l page 
Conditions That Affect Radar Alerts l page 
Conditions That Affect Laser Alerts l page 19
Troubleshooting l page 20
Consumer Warranty
l page 21
Service
l page 22
War rant y S er v ice l page 22
Post-Warranty Service l page 22
Specifications l page 23
Accessories
l page 23

12893 Bel Express 936 Manual 4/26/01 2:30 PM Page 3

profile of features
1. p/v (Power/Volume) Button: pressing p/v briefly will turn
the unit on.Pressingp/v a second time will bypass the
power up test sequence. Pressing p/v and holding will change
the audio level.
2. Text Message Display: communicates all mode selections (i.e.
DIM,DARK,CITY,HIGHWAY,and AUTOMUTE)andconfirms
Radar band and signal strength, presence of Laser and sws™
messages received.
3. drk (Dim/Dark) Button: provides dim or dark settings of
the Text Display for discreet night travel.Audio alerts are not
affected.
4. aud (Audio Mute) Button: provides automatic and manual
muting of X, K, Super Wideband Ka Radar and manual
muting of sws™ alerts.
5. cty (City/Highway) Button: minimizes unwanted X band
alerts without reducing sensitivity.
6. Antenna Opening: Radar and sws™signals are received by a
patented diecast antenna with integrated transition to
microstrip mixer.

7
2
4
1
9
6
35
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12893 Bel Express 936 Manual 4/26/01 2:30 PM Page 4

7. Laser Optical Sensors: collect Laser signals from in front and
behind.
8. Audio Alert Speaker: all audible alerts and Digital Voice
Messages are emitted from this location.
9. Power Jack: using the straight or coiled cord, express 936
operates in any vehicle with a 13.8 volt dc negative ground
system (10.5 volt to 16 volt range).
description of features
Power-Up Test Sequence
Each time your detector is turned on, audio and Text Messages
for Laser, Ka, K, X and Safety Warning System®(sws™) are
presented. After this sequence, the status of Selectable
Features is displayed: “SWS o n ”,“SWS o f f ”, “VG-2 o n ”,
“VG-2 o f f ”, “SWSvoice”,“SWSc l i c k ”;“VOICEo n ”,
“VOICEo f f ”(see page 9).If your unit displays information
other than this standard power-up test sequence, return it to
beltronics for servicing. To bypass the power-up test
sequence, press the p/v button during the Power up test
sequence.
Tutorial Mode
The tutorial mode allows you to become more familiar with
all audible and visual alerts. To engage this mode, press and
hold cty,thenpressaud while the unit is off.Themessage
“TUTORIAL”appears in the display followed by the audio and
corresponding Text Message for “LASER”,“Ka AUDIO”,“K
AUDIO”,“ AUDIO”,“VG-2 Al e r t ”sample Radar alert (K
band signal ramping from weak to strong) and “SAFETY
WARNING SYSTEM SAMPLE ALERTS”.Threesamplesws™
messages are then presented in the display along with the
corresponding Digital Voice Message:
Sample 1“ACCIDENT AHEAD”
Sample 2 “HIGHWAY WORKCREW AHEAD”
Sample 3“POLICE IN PURSUIT”
Anytime during Tutorial Mode (except Safety Warning System®

12893 Bel Express 936 Manual 4/26/01 2:30 PM Page 5

sample alerts) press cty or aud to move forward or backward
through the alerts. During sws™ sample alerts press cty to
move forward in the sws™ message list.“MSG 1”willappear
initially in the display confirming your selecion. Pressing the
aud button allows you to listen to the sws™ message while
viewing it in the display. Press the cty button again to step to
the next message; press the aud button to review, and so on.
This allows you to review all 60 messages.
To ex it Tutor ia l Mo de , pre s s t h e p/v button and your unit
will be on and ready to receive signals.
Memory Retention of Feature Selections
Any time express 936 is turned off or unplugged from the
cigarette lighter socket, all feature settings are retained in the
unit’s memory. Memory retention eliminates the need to reset
your preferred feature settings each time your unit is turned
off and then back on.
Adjusting the Audio Level
Once your unit has completed the power up test sequence, the
audio level can be adjusted by holding the p/v button down.
As you hear the audio level change, the display will provide a
visual reference of the audio level. To reverse the direction in
which the audio level increases/decreases, briefly release, then
hold down the p/v button again.
drk (Dim/Dark) Button
The drk button allows selection of a dim or dark setting for the
display. To engage dim mode, press the drk button once.A single
“beep”coupled with the brief illumination of “DIM”onthedisplay
confirms your selection.To completely cancel the illumination of
the display during an alert, press drk a second time.A single
“beep”coupled with the brief illumination of “DARK”inthe
display confirms your selection.While in dark mode,you will
notice an“H”(highway mode) or“C”(city mode) remains dim to
confirm your unit is receiving power.To return to a full bright
setting, press the drk button a third time; two “beeps”confirm
this selection. Use of the drk button does not affect audio alerts.
Important—if you press the the drk button and do not receive
audible confirmation, the audio level has been set too low.

12893 Bel Express 936 Manual 4/26/01 2:30 PM Page 6

aud (Audio Mute) Button
Continuous Audio Alert Pattern
Your unit has been preset at the factory to provide an X, K, Ka
or Laser audio alert and Digital Voice announcement of the
signal detected. Digital Voice prompts are provided once after
the initial audio alert.(Note: Digital Voice can be turned off,
see page ) This standard setting is often preferred when
background noise in a vehicle is loud.
Automatic Mute Alert Pattern (Radar)
To engage automatic muting, press the aud button once when the
unit is not alarming. A single “beep”and brief presentation of
“AUTOMUTE”in the display confirms automatic mute mode has
been engaged. The alert pattern when this mode is activated
consists of several X,K, Super Wideband Ka audio alerts followed
by the Digital Voice announcement of the signal detected.After
the Digital Voice announcement, a“clicking”tone keeps you
quietly informed for as long as the signal is present.This
“clicking”becomes more rapid as the strength of the Radar signal
increases.With this mode engaged, the automatic muting will be
repeated each time a new signal is encountered. The automatic
mute mode enables you to conveniently monitor extended
encounters without having to manually mute or adjust the
volume setting. To return to the continuous audio alert pattern,
press the aud button a second time (while the unit is not
alerting). Two “beeps”and the message“AUTOo ff ”confirmyou
have cancelled automatic mute mode.
Manual Muting of Audio Alerts (Radar and sws™)
Regardless of the aud mode selected (continuous or automatic
mute), the audio alerts can be completely muted by pressing
the aud button during an alert. Once the alert has passed, the
unit will revert to the previous aud setting.
Note—because Laser alerts are not lengthy or sustained,muting is not
required (see page ).

12893 Bel Express 936 Manual 4/26/01 2:30 PM Page 7

cty (City X/Highway) Button
The cty X mode has been designed to effectively reduce
unwanted audio alerts caused by intrusion alarms, door
openers, and other devices which share X band with police
Radar—without reducing sensitivity. Signals from non-police
Radar sources are frequently encountered in urban and sub-
urban areas, making use of this mode ideal in these areas.
Pressing the cty button once engages the cty X mode which
is confirmed by “CITY” in the display coupled with a single
audio “beep”. Pressing the cty twice returns you to highway
mode; “HIGHWAY” will appear in the display coupled with
two“beeps”. Once cty X mode is engaged, weak X band
signals encountered will produce no audible alert until the
signal strength reaches a preset level. However, visual alerts
are processed the instant an X band signal is detected,
keeping you quietly informed. Since most “false” X band
signals are weak, the use of the cty mode allows you to drive
out of their range before they reach the preset level and
trigger a full audio alert. In contrast, signals from X band
traffic Radar are generally stronger and will exceed the preset
level, causing a full X band audio alert. Activating the cty
mode will not change Super Wideband Ka, K or instant-on X
band Radar alert patterns.
Note—the cty mode does not change the presentation of alerts
for Laser sws™ or - signals.
City ALL provides an alternated approach for improving X,
K and Ka band selectivity and is ideal for use in areas with a
high level of microwave transmissions which can cause
falsing on all three bands. To engage City ALL mode, press
cty until the Display shows “CITY ALL”. Once engaged, weak
X, K or Super Wideband Ka signals encountered will provide
no audible alerts until the signal strength reaches a preset
level. Visual alerts are processed the instant an X, K or Super
Wideband Ka signal is detected, keeping you quietly
informed.

City ALL (X/K/Ka)
12893 Bel Express 936 Manual 4/26/01 2:30 PM Page 8

Reset to Factory Settings
You can reset your unit to factory settings for volume,drk, aud,
cty and Selectable Features.With the unit off,pressandhold
cty button, then press aud and p/v buttons simultaneously. The
display will briefly show “RESET”and provide two “beeps”.Your
unit is now reset to its original factory settings and ready for
operation.
selectable features
Safety Warning System® ,- Guard® Alert, sws™Digital
Vo i ce M es s a g e s and Radar/Laser Digital Voice prompts are
features which may be selected on or off,dependingupon
your preference.
Safety Warning System® (sws™ )
When on, unit will provide an alarm and text message when
signals from sws™transmitters are detected. Factory setting
is on.
- Guard®Alert
When activated, unit will detect signals from Interceptor vg-2
transmitters. Factory setting is off.
Note–engage vg-2 Guard®only in areas known to use the
Interceptor vg-2.
Safety Warning System®(sws™ ) with Digital Voice Messages
When “SWSv o i c e ” is selected, unit will provide Digital Voice
announcements when sws™transmitters are detected. Factory
setting is “SWSvoice”. When “SWSc l i c k ” is selected, Digital
Voice is replaced by "tone/clicking” only.
Radar/Laser Digital Voice prompts
When “VOICEo n ”is selected unit, will provide Digital Voice
prompts followed by "beeps" when X/K/Ka and Laser signals
are detected. Factory setting is on.When“VOICEo f f ”is
selected unit will sound unique audio tones only.
Entering Selectable Features Mode
1. With the unit off,pressandholdcty button, then press the
p/v button. The word “FEATURES”willappearinthe

12893 Bel Express 936 Manual 4/26/01 2:30 PM Page 9

display and a short audible “beep” will sound indicating you
are now in the Selectable Features Mode.
2. Immediately after the “beep”, the display will show the status
of the sws™Selectable Feature: “SWS o n ”or“SWS o f f”. P r e s s
the aud button to select on or off for this feature.
3. Pressing the cty button moves to the next Selectable
Feature: vg-2 Guard®Alert. The display will show either“VG-2
on ”or“VG-2 o f f ”. Press the aud button to select on or off
for this feature.
4. Pressing the cty button again moves to the next Selectable
Feature: Replace sws™Digital Voice Messages with “beep”. The
display will show either “SWSv o ic e ”or“SWSc l i c k ”. P r e s s
the aud button to select voice or click for this feature.
5. Press the cty button again to move to the next Selectable
Feature: Radar/Laser Digital Voice. The display will show
“VO I CE o n ”or“VO I CE o f f ”. Press the aud button to select
on or off for this feature.
6. Press the p/v button to exit Selectable Features Mode. Two
“beeps”confirm that you have exited this mode and your unit
will be on. “HI GHWAY”,“City X or City ALL”willbe
presented in the display, based on your previous selection.
installation
General Guidelines
Do not mount your unit directly behind windshield wipers or
mirrored sunscreens which block Radar and Laser signals
and substantially reduce warning range. Unlike “after market”
mirrored sun-screens, regular tinted glass does not affect
Radar reception. Radar signals are also reflected by the “heated
windshields”known as Instaclear®and ElectriClear®available
as an option on some vehicles. This type of windshield makes
any dash, visor or windshield mounted detector ineffective.
(If in doubt, check with an appropriate dealership to see if
this applies to your vehicle.) To achieve optimum performance,
 Instaclear is a registered trademark of the Ford Motor Company.
ElectriClear is a registered Trademark of Libbey, Owens, Ford, and Delco-Remy.
12893 Bel Express 936 Manual 4/26/01 2:30 PM Page 10

regardless of which mounting position you choose, follow the
basic steps on the following page:
1. Consider occupant safety when selecting a mounting location.
Choose a location where the unit will not be hazardous in
case of an accident.
2. For optimum detection, position your unit with a clear,
unobstructed view of the road from the front and rear.
3. Do not allow the unit to make contact with the windshield.
This will eliminate unnecessary vibration.
4. Avoid placing your unit in direct sunlight. During the summer,
interior temperatures of an enclosed vehicle can sometimes
reach temperatures that will cause premature aging of the unit.
5. Your detector is not waterproof; exposure to water may cause
damage.
Dash Mounting
1. Select an area that is relatively level, clean and dry.Adhere the
soft portion of the enclosed hook and loop fastener to this area
and the corresponding hard portion to the bottom of your unit.
2. Fasten unit to dash by placing hook and loop pieces together.
Windshield Bracket Assembly
The visor clip is fully
assembled. To assemble
the windshield bracket,
follow this diagram.
Windshield Mounting
1. Remove the mounting
bracket cover on top of
the unit by pressing on the
raised dots and pushing
outward. Store the cover
in a safe place.
2. Clean the selected windshield area, position the suction-cup
mount on the windshield, and press firmly on each suction
cup to secure it in place.

12893 Bel Express 936 Manual 4/26/01 2:30 PM Page 11

3. Use a screwdriver or a small coin to adjust the angle of the
suction-cup mount until the base plate is level.
4. Slide detector onto base plate until it snaps into place.
Note—some vehicles have a plastic coating on the inside of the
windshield designed to protect occupants in case of an accident.
Use of the windshield bracket on this type of windshield can
permanently mark the surface. Check with your dealer if you
are unsure whether your vehicle is equipped with this type of
windshield.
Visor Mounting
1. Remove the mounting bracket cover by pressing on the
raised dots and pushing outward. Store the cover in a
safe place.
2. Slide the visor clip onto the top of the detector until it snaps
into place. Clip the detector to the edge of the sun visor nearest
the windshield.
Fuse Replacement
If the fuse has blown, remove the tip from the lighter plug
followed by the old fuse. Replace the fuse with a 1-amp, 
fuse. Defeating the fuse protection can damage your unit or
your vehicle’s electrical system and will void your warranty.

12893 Bel Express 936 Manual 4/26/01 2:30 PM Page 12


Note—the tip is in two pieces; be careful not to lose either piece
or the spring inside the holder. (See diagram on page 13).
understanding radar, laser and sws™
Three Radar Frequencies
Three microwave frequencies have been allocated by the fcc
(Federal Communications Commission) and are used for
traffic Radar: X, K and Super Wideband Ka.Your express 936
provides detection to ALL known Radar traffic devices.
Unlike Radar signals, which are highly reflective, Laser signals
have very poor reflective characteristics. Many of today’s
Laser detectors do not have the high sensitivity necessary to
detect Laser within a large “field of view”. express 936
incorporate bel’s number one rated Laser detection. Twin
Laser ports detect energy far outside the main Laser beam—
including off-axis signals—providing the largest achievable
360° “field of view”. The alerts provided by your unit are the
same whether signals are received from the front or rear.
Safety Warning System®(sws™)—What is it?
The Radio Association Defending Airwave Rights, Inc.
(r.a.d.a.r.) conceived and developed the Safety Warning
System®. The concept behind this system is to warn motorists
of potential road hazards by employing Safety Warning System®
transmitters in areas such as construction zones, accident
sites and detours. These sws™transmitters operate within
the 24 ghzportion of the K band frequency, and broadcast
uniquely coded signals that are detected by your unit.
Tota l Track ing L aser™(ttl™)
12893 Bel Express 936 Manual 4/26/01 2:30 PM Page 13

interpretation of alerts
Radar Alerts
The alerts provided by your unit are affected both by the type
of transmission (continuous wave or instant-on), and the
position of the Radar source. Generally, when you drive closer
to a Radar source, the intensity of the received signal increases,
resulting in the increase of the number of bar graph segments
and a corresponding increase in the audio alert rate.
Described below are five common types of Radar encounters
and the alerts you will typically receive.
1.
Stationary or moving Radar, straight ahead aimed in your direction.
Since Radar signals travel in a straight line, this Radar
encounter potentially offers maximum warning range. Once
the signal is received, the initial warning consists of an X, K or
Super Wide band Ka audio alert coupled with simultaneous
identification of the Radar band (X, K or Ka) and signal
strength in the Text Display. The number of bar graph segments
displayed depends upon the strength of the signal received. As
the strength of the Radar signal increases, the audio alert
becomes more rapid and the bar graph will display the maxi-
mum number of five segments to indicate maximum signal
strength.Assuming the Radar signal remains uninterrupted,
the audible and visual alerts will clearly indicate a “weak”
signal becoming stronger as you drive closer to the Radar
source. Remember, when the police Radar source is moving
toward you, the Radar signal strength will increase much
more rapidly than if you are approaching a stationary source.

12893 Bel Express 936 Manual 4/26/01 2:30 PM Page 14

2.Stationary Radar aimed around a corner
Under this circumstance, reaction time is considerably
reduced. Since the Radar signals are transmitted across your
line of travel, there is generally no signal available to receive
until you are relatively close to the source. Once an alert is
received, expect the strength of the signal to increase very
quickly.Advanced warning in this situation may be reduced.
3. Stationary Radar concealed by the crest of a hill aimed in your
direction.
Radar signals travel in a straight line and do not pass through
earth. Consequently, police Radar aimed at the crest of a steep
hill cannot be received until you are at or near the top.
Warning time may be minimal (as in situation #2) since a
strong signal is not present until you are near the crest of the
hill. At this point, you may be nearly in the police officer’s line
of sight. When cresting a hill, a weak initial alert followed very
quickly by a full alert is typical. This alert pattern requires
prompt attention.

12893 Bel Express 936 Manual 4/26/01 2:30 PM Page 15

4.Moving Radar behind you, traveling in the same direction.
Police Radar signals transmitted from behind your vehicle
can be received when reflected by objects in front of you such
as large signs, bridges and trucks.As you drive, the size and
configuration of these objects are constantly changing causing
the strength of any reflected Radar signal received to vary.
A strong, uninterrupted alert indicates the patrol car is close
behind.
Instant-On/Pulsed Radar
This type of signal appears suddenly when a Radar unit is
“triggered”. The instant-on alert consists of an intense, three
second audio “burst”, coupled with the type of Radar band
detected and flashing of the signal strength bar graph in the
display.
Typical False Alert (Radar)
Ideally, a Radar detector should only alert in the presence of
police Radar. However, because other devices share X band
with police Radar, false alerts sometimes occur. Generally, a
false signal produces only a short audio and visual alert. Since
they are most often weak, it is possible to drive out of the
signal’s range very quickly and receive only a brief alert.
Although many times the probable source of the false signal
can be identified (supermarket, bank, commercial building,
etc.), caution is advised until the source can be confirmed.
The X band alert pattern caused by a non-police source can
look like the initial alert produced by actual police Radar. For
this reason appropriate action is required any time an alert is
received.

12893 Bel Express 936 Manual 4/26/01 2:30 PM Page 16

Laser Alerts
When Laser is detected, the display will flash “LASER”
coupled with a distinct Laser audio alert. If a vehicle is a long
distance from the source of Laser pulses, fewer pulses will
generally be received. The closer the vehicle is to the source of
Laser pulses, the greater the likelihood of receiving a steady
stream of Laser pulses. The reason for this is the aiming
stability of the Laser gun and the fact that it is difficult to hold
the gun absolutely still. Any movement of the gun results in
motion of the beam at the target. The further the target, the
greater the displacement of the beam and the shorter the dwell
time of the beam at the target point. Therefore, there is the
possibility of receiving only a few Laser pulses. Due to these
characteristics, all Laser alerts should be taken seriously.
VG-2Guard®Alert
Whenever your express 936 detects signals from the
Interceptor vg-2 (Radar Detector Detector), the vg-2 Guard®
feature engages. (vg-2 Guard®must be selected on - see page
9 for more information). A distinct, 2-second audio warning
coupled with the Digital Voice announcement and Text
Message of “vg-2 alert” confirms activation of vg-2 Guard®.
This message continues for as long as vg-2 Guard®is
activated. During the vg-2 alert your unit does not detect
Radar or sws™signals. However, the presence of the
Interceptor vg-2 indicates that traffic is being monitored
and speed measurements may be taken. When the
Text Message of “vg-2 alert” is over, your unit resumes
scanning for Radar and sws™signals.
Note: activation of vg-2 Guard®does not affect detection of Laser signals.
Safety Warning System®(sws™)Alerts
With the Safety Warning System®feature on and an sws™
transmitter in use, your detector will provide a unique, 2second
sws™tone coupled with a Safety Warning System®category
word (i.e.“HazdZone”indicatingHighway Hazard Zone
Advisory) to quickly orient you to the type of situation
ahead. This introductory message is followed by a specific Text
Message i.e.“SHARP CURVE AHEAD”andDigitalVoice

12893 Bel Express 936 Manual 4/26/01 2:30 PM Page 17

Message which is repeated twice.After the Digital Voice, the
unit will continue to present the message and provide the
“clicking” tone for as long as an sws™signal is detected.
You can replay the last sws™message received by pressing
the drk button within 30 seconds of receiving an sws™alert.
Both Digital Voice and Text Message are replayed.
If you have selected “SWSc l i c k ”(Digital Voice off), your
unit will show just the Text Message (see Selectable Features,
page 9).
Note—the end of a multiple word sws™message is indicated by
an asterisk.
Abbreviated sws™Category Words
“Hw y Wo r k ”
confirms Highway Construction/Maintenance
(messages 1–11)
“Ha z d Zo n e ”
confirms Highway Hazard Zone Advisory
(messages 13–31)
“Weather”
confirms Weather Related Hazards
(messages 33–41)
“Tr a v I n f o ”
confirms Travel Information/Convenience
(messages 43–59)
“Moving”
confirms Emergency/Slow Moving Vehicles in transit
(messages 61–64)
“MsgUnkwn”
confirms incomplete or unknown messages
Note—for a complete listing of the five Safety Warning System®
categories and corresponding messages, please refer to the Safety
Warning System®Alert Card enclosed with your manual.

12893 Bel Express 936 Manual 4/26/01 2:30 PM Page 18

performance verification
Conditions that Affect Radar Alerts
If you feel your unit is not alerting properly, keep in mind that
there are many conditions that influence the intensity or
duration of an alert:
1. The police are using instant-on/pulsed Radar, in which case
no signal is transmitted until visual contact has been made
with your vehicle. For detection of this signal, you must rely
on reflected signals from Radar directed at traffic traveling
ahead of you.
2. The police Radar unit is positioned perpendicular to the road,
around a curve, or just over the crest of a hill thus significantly
reducing the reception range.
3. The highway traffic between your vehicle and the police Radar
source is heavy. This blocks/reflects transmitted signals. The
presence of several large trucks between you and the police
Radar unit could also significantly reduce reception.
4. Rain or humid weather conditions can absorb transmitted
signals before they reach your vehicle, again reducing detection
range.
5. The police Radar unit is not properly tuned and is transmitting
outside the fcc allocated 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 traffic
conditions can affect the range that the Laser beam can be detected.

12893 Bel Express 936 Manual 4/26/01 2:30 PM Page 19

Problem Possible Cause Corrective Procedure
Unit not Plug not properly inserted Reinsert plug and rotate
receiving power
Fuse in power cord is Replace with 1 amp
defective 250 Volt 3ag fuse (see page 12)
Lighter socket not clean Consult your dealer or a
and negatively grounded professional mechanic
Fuse or electrical wiring Consult your dealer or a
for lighter socket defective professional mechanic
“Poor detection Antenna/lens opening Reposition unit with
range” partially blocked unobstructed view of
road ahead and behind.
Radar signals unable to Determine whether
pass through windshield your vehicle has a
“heated windshield”
known as Instaclear®
or ElectriClear® ,or
is covered with a
metallic sun screen.
Erratic or frequent High concentration of Use cty mode
alerts non-police X band sources
Review section in this
manual on Performance
Ve r i f ic at i o n
Partial or no display Dim or dark mode engaged Disengage dim or
dark mode
If you experience a problem with your unit that is not covered in this
outline please call,Monday to Friday,9 am–5 pm est, for assistance:
1-800-341-2288 usa 1-800-268-3994 Canada
consumer warranty
1-Year Warranty
1. This warranty covers all defects in materials and workmanship.
This warranty does not apply if the unit has been subject to
physical abuse, improper installation, modification, or if the
housing or serial number of the unit has been removed.

Solutions for Common Problems
If your unit is not operating properly,please refer to the outline below.
troubleshooting
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