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Cobra CDR835 User Manual

CDR855BT

Made by: Cobra
Type: User Manual
Category: Dash Cameras
Pages: 17
Size: 0.95 MB

 

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Table of Contents

 

CDR835 / CDR855BT 

Record your Ride 

USER MANUAL 

HDMI, the HDMI logo, and High-Definition Multimedia Interface are trademarks or registered trademarks of HDMI 
Licensing, LLC in the United States and/or other countries. 

The Bluetooth® word mark is a registered trademark owned by Bluetooth SIG, Inc. and any use of such marks by Cobra 
Electronics Corporation is under license. Other trademarks and trade names are those of their respective owners. 

The Driver Awareness Alert display feature is subject to US Patent Numbers 8,842,004 and 8,970,422 and additional 
pending US Patent Applications. 

©2015 Cobra Electronics Corporation            Part No. 480-1061-P                                     Version A 

 


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Tab

le of Contents

 

Table of Contents .................................................................................................................... 2

 

INTRODUCTION ....................................................................................................................... 3

 

CAMERA FEATURES ................................................................................................................. 3

 

ADDITIONAL FEATURES ................................................................................................................... 4

 

PRODUCT SERVICE AND SUPPORT ........................................................................................... 4

 

YOUR DEVICE .......................................................................................................................... 5

 

WHAT’S IN THE BOX ........................................................................................................................ 5

 

CONTROLS AND CONNECTIONS ....................................................................................................... 6

 

 ........................................................................................................................................................ 6

 

INSTALLATION ................................................................................................................................. 7

 

BASIC OPERATION ........................................................................................................................... 8

 

SOFTKEY FUNCTIONS ....................................................................................................................... 9

 

OPERATION MODES ....................................................................................................................... 10

 

VIDEO MODE ..................................................................................................................................... 10 
VIDEO SETTINGS ................................................................................................................................ 11 
GENERAL SETTINGS ............................................................................................................................ 12 
LANGUAGE SETTING .......................................................................................................................... 12 
iRADAR SETTINGS (CDR 855 BT only) ................................................................................................. 13 
VIDEO AND PHOTO PLAYBACK MODE ............................................................................................... 13 
iRadar® APP CONNECTION ................................................................................................................ 13 

iRadar® APP CONNECTION .................................................................................................... 14

 

CONNECTING TO A COMPUTER OR TV ................................................................................... 14

 

CONNECTING TO A COMPUTER OR TV ................................................................................... 15

 

FIRMWARE UPDATE INSTRUCTIONS ...................................................................................... 15

 

CAMERA SPECIFICATIONS ...................................................................................................... 16

 

TROUBLESHOOTING .............................................................................................................. 17

 

TRADEMARK ACKNOWLEDGEMENT ...................................................................................... 17

 

 

 

 

 


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I

NTRODUCTION

 

Congratulations!  You’ve made a smart choice by purchasing a Drive HD Dash Cam from Cobra.  
Drive HD Dash Cams provide peace of mind by continuously recording the road ahead of you in 
beautiful 1080P Full HD video.  With cutting edge features, phenomenal video quality, and an 
industry-leading focus on user experience, Drive HD Dash Cams are the best solution to 

Record 

Your Ride.  

This User Manual describes the simple steps for mounting, setting up, and using 

your dash camera. 

CAMERA FEATURES

 

1080P Full HD 

Records the road ahead in resolutions up to 1080P Full HD featuring excellent image quality, 

nighttime performance, and advanced dynamic range 

2.0” LCD Screen 

Large LCD Display with video playback directly on the device or on your TV or computer 

140° Viewing Angle  

Ultra wide-angle view gives you a full view of the road without any edge distortion 

Continuous Loop Recording 

Footage is stored in 3, 5, or 10 minute clips.  When the memory card fills up, the camera 

automatically deletes the oldest segment to make room for new ones.  

Emergency Recording - Automatic or Manual  

If you don’t want a clip to be overwritten, simply click the Emergency Recording button and the 

clip will be protected.  Clips are automatically protected if an impact is detected. 

G-Sensor

 

3-axis accelerometer senses sudden accelerations, stops, and collisions and automatically 

protects footage surrounding the incident. 

Parking Mode

 

While in Parking mode, Drive HD cameras will only record video when motion is detected.  This 

feature is helpful for vehicles that have an always-on accessory port or units that are hardwired 

to power. 

Dynamic Range

 

Optimized to automatically maximize video clarity in daylight or nighttime conditions 

Simple Installation

 

Mount the unit on the windshield, apply power, and forget about it.  Drive HD cameras will 

automatically start recording without the need for complex configuration. 

Ready to Use 

Includes an 8GB MicroSD memory card, vehicle power adapter, and suction cup windshield 

mount so the unit is ready to use out-of-the-box 

 

 


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ADDITIONAL FEATURES

 

Parking Mode 

SnapShot 

Action Cam Mode 

Built-in Microphone & Speaker 

Auto-Record and Auto-Power Off 

Screen Protector 

Customizable Watermark 

Built-in Lithium Ion Battery 

Supports 9 Languages: 

o

 

English 

o

 

Spanish 

o

 

French 

o

 

German 

o

 

Dutch 

o

 

Portuguese 

o

 

Russian 

o

 

Simplified Chinese 

o

 

Traditional Chinese 

 

 

 

PRODUCT SERVICE AND SUPPORT

 

For any questions about operating or installing this new Cobra product, PLEASE CONTACT 
COBRA FIRST…do not return this product to the retail store. The contact information for Cobra 
will vary depending on the country in which you purchased and utilize the product. For the 
latest contact information, please go to 

www.cobra.com/support

.  For products purchased in 

the U.S.A. you may also call 1-800-262-7212 (1-800-COBRA-12).  

For products purchased in the U.S.A., if your product should require factory service, please go 
to 

www.cobra.com/support

 and follow the instructions for returning your product to the Cobra 

Factory Service Department.  

 

 


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YOUR DEVICE

 

WHAT

S IN THE BOX

 

 

 

CDR 835 or CDR 855 BT Dash Cam 

 

 

12V Vehicle Power Adapter 

 

 

8GB Micro SD Card (pre-installed in dash cam) 

 

USB to micro USB Cable (for connection to computer) 

 

 

Quick Release Mount 

 

 

Quick Start Guide 

   

 

 

Suction Cup Windshield Mount 

 

 

 

 


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CONTROLS AND CONNECTIONS

 

 

 

 
 
 
 
 
 
 
 
 
 
 
 
 

Emergency Recording 

Button - CDR 855 BT

 


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INSTALLATION

 

 

MOUNT 

Screw the included suction cup into the mount. Slide the 

mount into the camera and press the lever to secure the 

unit to your vehicle’s windshield. 
 

Suction Cup Windshield Mount 

 

To install the 

Suction Cup Windshield Mount 

peel the 

plastic film off of the suction cup.  Press the suction cup 

FIRMLY

 onto the windshield.  Depending on the suction 

cup style either twist the locking ring or flip the locking 

lever 90° to secure the suction cup in place. The suction 

cup can be moved freely by disengaging and re-engaging 

the locking lever. The quick release mount slides in and 

out of the mounting slot. 

 

 

POWER 

Plug one end of the supplied 12V Vehicle Power Adapter 

into your vehicle’s cigarette lighter, and the other end into 

the micro USB port. The unit should power on 

automatically. If it does not, PRESS AND HOLD the 

Power

 

button until the display activates. When the power button 

is used to power on the unit the user must manually start 

recording. 

 

 

 

 


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BASIC 

OPERATION

 

QUICK START 

Press the 

Record/Pause 

button to stop and start recording.  

Press the 

Emergency Recording 

button to lock the current file so that it won’t be recorded 

over. 

 

POWERING ON THE DEVICE 

The device will power on automatically when plugged in and can also be powered by PRESSING 

AND HOLDING the 

On/Off

 button until the display activates.

  

 

NAVIGATING MENUS 

When in a menu, press the 

Arrow Keys 

to navigate to the menu item you want to select or 

change and then press 

Enter

 to select or change the option associated with that item.  Pressing 

Back

 at any time will exit the menu without saving changes. 

 

VOLUME ADJUST 

Briefly press the Power/Volume button to enter the volume menu.  There are 5 volume settings 

and mute (no Volume) 

 

THE SD MEMORY CARD 

The device comes with a pre-installed 8 GB micro SD memory card. To remove the SD card, 

press firmly on the SD card to push it further into the slot.  There will be a click and the SD card 

will pop out on release.  Extract the card and replace as necessary by inserting a card into the 

slot and pressing until it locks in place. 

 

Note:

 This device supports Class IV or higher micro SD cards with a capacity up to 32GB. 

 

CHARGING THE DEVICE 

You can charge the device with the included car charger or with a micro USB cable.  

The battery in this unit is intended to operate the unit after power loss due to an

 

accident or 

crash. Note that, while recording may continue, the device is not intended for long-term 

recording on battery power. 

 

 

 


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SOFTKEY FUNCTIONS

 

The 4 Buttons on the device allow you control multiple functions depending on the current 

status of the unit.  These buttons allow for the following softkey functions: 

 

 

Button 1 

Button 2 

Button 3 

Button 4 

Recording 

Functions 

Menu 

Playback Mode 

SnapShot 

Record 

Screen On/Off 

Microphone 

On/Off 

 

Pause 

Settings Menu 

Functions 

Back 

Arrow 

Arrow 

Select/Enter 

Playback Menu 

Functions 

Back 

Lock/Unlock File  Delete File 

Play File 

Previous File 

Play/Pause 

Next File 

Fast Rewind  

(press and hold) 

Fast Forward  

(press and hold) 

Other 

 

Yes 

No 

 

iRadar Functions 

(CDR855BT only) 

Cancel Alert 

N/A 

True Alert 

False Alert 

 

 

 


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OPERATION MODES

 

Video Mode 

Video/Photo Playback Mode 

Photo Playback mode  

 

VIDEO MODE

 

 

Video Mode is the default mode for the device, and allows you to easily record HD video of the 

road ahead of you.  

 
When first powered on, the device will start in video mode and automatically begin recording. 

To start/stop recording press the 

Record/Pause 

button. 

 

Continuous Loop Recording: 

Once the memory card is full, the camera will continuously 

overwrite the oldest footage recorded. To protect a clip so that it will not be overwritten, press 

the 

Emergency Record

 button. The emergency record icon will show on the screen. Files can 

also be locked from the playback menu in 

Video Playback Mode.

 

G-Sensor: 

The G-Sensor is an accelerometer that can detect an impact caused by an accident. If 

the G-Sensor is triggered, the current video segment will automatically be locked so that it is 

not overwritten by continuous loop recording.

  

Note: 

Setting proper G-Sensor sensitivity is important for proper operation of the product.  If 

the G-Sensor is too sensitive it will unnecessarily lock files and can result in the memory card 

filling up quickly.  If it’s not sensitive enough, then it may not lock a file in the event of a 

legitimate collision.   

Shortcuts:  

While in video mode, you can perform these functions 

 

Menu

 enters the settings menu to change the video settings, general settings, iRadar 

app settings (CDR 855 BT only), and language settings. 

Note: This option is only available when the camera is not recording. 

 

Screen on/off

 turns the LCD screen off.  The device will continue recording while the 

screen is blank. 

 

Playback

 enters the playback menu to review previous recordings and photos.  Note: 

this menu can only be selected when the camera is not recording. 

 

Microphone Toggle 

turns the microphone on or off.  The current setting is shown at the 

top of the video screen. 

 

Snapshot

 takes a snapshot/photo.  The unit does not have to be recording in order to 

take a snapshot 

 

Record/Pause

 starts or pauses a recording 

 

 

 


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VIDEO 

SETTINGS

 

 

Video resolution:

 

This setting allows you to set one of three available video recording resolutions: 

Higher resolutions will give you a sharper image, but take up more memory on the card. 

 

The available resolutions are: 

1080P Full HD   

1920x1080 30 Frames per Second 

720P HD 60fps  

1280x720 60 Frames per Second 

720P HD 30fps  

1280x720 30 Frames per Second  

 

 

  

  

1080P Full HD 

720P HD 60fps 

720P HD 30fps 

Ca

pa

ci

ty

 

4 GB 

1hr 18min 

1hr 5min 

2hr 8min 

8 GB 

2hr 37min 

2hr 10min 

4hr 16min 

16 GB 

5hr 14min 

4hr 20min 

8hr 33min 

32 GB 

10hr 27min 

8hr 40min 

17hr 6min 

 

Loop 

clip time:

 

This setting allows you to control the duration of each individual movie clip on the device. 

Movie clips can be set to durations of 3 minutes, 5 minutes, or 10 minutes or Action Cam Mode.  

Turning the loop clip time to Action Cam Mode lets the device record one uninterrupted movie 

clip, but disables continuous loop recording. 

 

G

-

Sensor:

 

The Drive HD Dash Cam includes a built in G-Sensor which allows the device to determine when 

the car has been in a collision. If it detects a collision, it automatically locks the recording being 

made at the time of the accident. You can use this setting to set the sensitivity of the G-Sensor 

from 1-3 or turn it off.  Level 1 is the easiest to activate the G-sensor and the G-Sensor may lock 

files due to smaller bumps like potholes and the SD card may fill up with protected files.  Level 3 

is the hardest to activate the G-sensor. 

 

Parking

 

Mode:

 

Enabling this setting will allow the device to enter parking mode if no motion is detected for 5 

or 10 minutes while the camera is recording.  The recording will restart when motion is 

detected.  The default setting is 10 minutes. 

 

Cobra Watermark, Date/Ti

me Stamp, & Time Stamp Format:

 

These menu options change the watermark & time stamp that will appear on the saved video 

files.  Photo files do not contain a watermark. 

 


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GENERAL

 

SETTINGS

 

Volume: 

 

Allows you to raise and lower the volume of sound playback on the device. 

 

Date/Time: 

 

Allows you to set the date and time on the device and for use with the timestamp. 

 

Screen Saver:

 

Allows you to set a duration after which the device’s display will go dark.  This setting is useful 

to avoid distracted driving and having a bright LED screen when driving at night. Select 1 minute 

or 3 minutes. 

 

Beep Sound:

 

Turns the sound on or off for each time a button is pressed.  Note: this only effects normal 

button presses.  Alerts to the user of errors, or iRadar sounds (CDR855B

T only) are not effected 

by this setting.

 

 

Format SD Card:

 

Allows you to format the inserted SD Card.  NOTE: 

This action will permanently delete all data 

on the card. 

 

Restore Defaults:

 

Resets the device to factory settings.  Note that restoring defaults will NOT erase data on your 

memory card. 

 

Firmware Version:

 

Displays the device software version. 

 

LANGUAGE

 

SETTING

 

Allows you to set the language for the device from among the 9 supported languages.  

 

 

 

 


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iRADAR

 

SETTINGS (CDR 855 BT only)

 

Bluetooth:

 

Turns Bluetooth on/off so the camera can/cannot connect to a smartphone running iRadar 

 

iRadar Alerts:

 

Alerts from the iRadar app will not be displayed on the CDR 855 BT.  The CDR 855 BT will still 

communicate with a connected smartphone running iRadar to receive date/time and GPS 

information. 

 

Speed Units:

 

Changes the units between mph and km/h 

 

VIDEO

 

AND PHOTO PLAYBACK MODE

 

This device stores video and pictures on its removable SD Card Memory. Playback mode will allow 

you to review the saved video and photos and play back the video with sound. To select a video or 

photo for playback navigate with the arrows and select with 

Enter

 key.  The 

Back

 key will return you 

to the previous screen.  
When viewing a video it can be locked, unlocked, or deleted. 
During video playback pressing the >> or << keys will advance to the next/previous video.  Pressing 
and holding these keys will playback the video in fast forward or fast rewind mode 
Photos can be viewed and deleted.  It is not necessary to lock photo files – they are not overwritten 

by continuous loop recording. 
 

iRadar

®

 

APP CONNECTION

 

The CDR 855 BT uses a Bluetooth® Smart connection to the Cobra iRadar® smartphone app.  

Smartphone integration allows for:

 

1.

 

Embedding GPS, Speed, Heading, and G-Sensor Information into video footage recorded 

on the dash cam.

 

2.

 

Displaying iRadar driver awareness alerts including:

 

 

 

 

 

 

 

Red Light 

Cameras

Live Police

Caution Areas

Speed Cameras

Speed Traps

 


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iRadar

®

 

APP CONNECTION

 

Download the app from the App Store or Google Play. 

 

 

 

For iPhone® 4s and later with Bluetooth® Smart: 

 

Power on your dash cam and be sure that Bluetooth is enabled 

 

Make sure your iPhone’s Bluetooth is ON.  The dash cam will NOT APPEAR in the 
iPhone’s   Bluetooth Settings Menu. 

 

Start the Cobra iRadar App.  Press the Menu button in the upper left of the app and 

select Devices.  Follow the onscreen instructions to complete the pairing and 

connection. 

 

When complete, a “connected” chime will sound and    

     will turn white on the 

dash cam display. 

For Android™ Devices with Bluetooth® Smart: 

 

Power on your dash cam. 

 

Enter your Android device’s Bluetooth Settings Menu. 

 

Scan for Devices and select Drive HD to pair. 

 

Enter the Cobra iRadar App.  A “connected” chime will sound, and  

    will turn 

white on the dash cam display. 

 

CONNECTING TO A 

COMPUTER

 

OR 

TV

 

This device can connect to a computer or television via the USB or HDMI ports located on the 

side of the unit.  

 

Use the USB port on the side of the device to connect the device to your computer. When 

connected you will be given two options: 

Connect to Computer

 or 

Power Only

.  

 

 

 

 


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CONNECTING TO A COMPUTER OR TV

 

Select 

Connect to Computer

 to access the device via your computer.  

 

By default, your device connects to your computer in Mass Storage mode, and acts like a flash 

drive. Videos can be viewed with any standard video player that supports .mov files. 
Select 

Power Only

 to turn the unit on for normal operation 

 

Use the HDMI Port to connect the device to a TV or monitor using a mini HDMI cable  
(not included). 

FIRMWARE UPDATE INSTRUCTIONS

 

For optimal performance, check 

www.cobra.com

 periodically for software updates.   

 

Connect the Dash Cam to your computer using the included USB to Micro-USB cable.   

 

Power on the Dash Cam and select 

Connect to Computer 

using the record/select 

button.   

 

The camera will be listed as 

DRIVEHD

 in Windows Explorer.   

 

Download the update file from 

www.cobra.com

.  

Note:

 You do not need to double click 

or open this file on the computer. 

 

Copy/paste or drag the update file (SD_CarDV.bin) into the root directory of the 

DRIVEHD 

folder.  

Note:

 the file name must be SD_CarDV.bin in order to update the 

firmware. 

 

Wait for the file to transfer and then safely disconnect the Dash Cam from the 

computer.  The Dash Cam will turn off. 

 

Plug the Micro USB cord into the Micro USB port.  The Dash Cam will turn on and 

automatically boot into the Firmware Update Menu. 

 

Use the Up/Down arrows to highlight 

YES

 and then select it with the Select Button.  The 

unit will update for 10-15 seconds and then turn off. 

 

Power the unit on. You will again be automatically booted into the Firmware Update 
Menu. You can now select 

DELETE 

to delete the update file off of your 

unit.  Alternatively, you can connect to your computer and manually delete the 

SD_CarDV.bin file from the Micro SD card.  This will prevent the unit from booting into 

the Firmware Update Menu in future power cycles.  Your Dash Cam is now updated. 

 

 

 


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CAMERA SPECIFICATIONS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 


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TROUBLESHOOTING 

 

If your unit does not appear to be operating properly, please follow these troubleshooting 
steps:  

 

Make sure the power cord is properly connected.  

 

Make sure the socket of your vehicle’s cigarette lighter is clean and free of corrosion.  

 

Make sure the power cord’s cigarette lighter adapter is firmly seated in your cigarette 
lighter, and the Status LED is on.  

 

Check the power cord fuse. (Unscrew the ribbed end cap of the cigarette lighter adapter 
and examine the fuse. If required, replace it with a 2-amp fuse only.)  

For detailed and up-to-date FAQ’s, please visit 

www.cobra.com/support/faqs

 

T

RADEMARK A

CKNOWLEDGEMENT

 

 

Cobra, the snake design, Drive HD™, the d design, and Record your ride™ are proprietary trademarks of Cobra Electronics Corporation, USA. 
Other trademarks and trade names are those of their respective owners.  

Cobra Electronics Corporation™ is a trademark of Cobra Electronics Corporation, USA.  
HDMI, the HDMI logo, and High-Definition Multimedia Interface are trademarks or HDMI registered trademarks of HDMI licensing LLC in the 
United States and other countries.  

 
NOTE: This device complies with part 15 of FCC rules: Operation is subject to the following two conditions: (1) This device may not cause 
harmful interference, and (2) This device must accept any interference received including interference that may cause undesired operation.  
 

CAUTION: Modifications or parts not approved by Cobra Electronics Corporation may violate FCC Rules and void authority to operate this 
equipment. This device complies with RSS-310 of Industry Canada. Operation is subject to the condition that this device does not cause harmful 
interference.  

 
CAN ICES-3B/NMB-3B.  
 

DISPOSAL OF ELECTRONICS EQUIPMENT: This product may contain hazardous substances that could impact health and the environment if not 
disposed of properly.  
 

The crossed out wheeled bin symbol indicates that the product should not be disposed of along with household waste. It should be handed 
over to an applicable collection point for the recycling of electrical equipment. By ensuring that this product is disposed of correctly you will 
help/prevent potential negative impact on the environment.  

 
If you need more information on the collection, reuse and recycling systems, please contact your local civic office or the shop where it was 
originally purchased.  
 

WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.