Manual for CDR835 / CDR855BT

Manual for CDR835 / CDR855BT

Brand: COBRA

Category: Security System

Document Type: Manual

Language: EN

Available Languages: EN , ES

Uploaded: Aug. 10, 2025, 12:38 a.m.

Manual Publish Date: 2015-01-01

Warranty Information

Cobra Electronics Corporation warrants this product for twenty-four (24) months from the date of purchase.

Basic Operation

  • Quick Start: Press Record/Pause to start/stop recording. Press Emergency Recording to lock the current file.
  • Powering On: The device powers on automatically when plugged in. Alternatively, press and hold the On/Off button until the display activates.
  • Navigating Menus: Use Arrow Keys to navigate, Enter to select/change. Press Back to exit without saving.
  • Volume Adjust: Briefly press the Power/Volume button. 5 volume settings plus mute are available.
  • SD Card: The device comes with an 8GB card. To remove, press firmly until it clicks out. Supports up to 32GB Class IV or higher cards.
  • Charging: Charge using the car charger or a micro USB cable. The battery supports operation after power loss, but is not intended for long-term recording.

Troubleshooting and error codes

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.
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