CDR 840 (20)

Learn how to get the most out of your Cobra CDR  840 dash cam. Update dash cam software, learn about set up, and troubleshoot any issues.

How to set date/time?

Modified on Mon, 22 Sep, 2025 at 10:55 AM
How to delete protected files?

Modified on Mon, 22 Sep, 2025 at 10:57 AM
How do I stop and start recording video?

Modified on Fri, 19 Sep, 2025 at 2:12 PM
Can I power up and record with my CDR 840 using a USB cable?

Modified on Tue, 2 Sep, 2025 at 1:55 PM
Why does my dash cam say 'SD card full' when I have it set to 'loop record'?

Modified on Tue, 2 Sep, 2025 at 1:57 PM
How can I playback my recordings on a different device such as an iPad, tablet, or Netbook?

Modified on Tue, 2 Sep, 2025 at 1:59 PM
Can I hardwire the CDR 840?

Modified on Fri, 19 Sep, 2025 at 2:16 PM
What is the difference between 'Auto Power Off' and 'Idle Power Off'?

Modified on Tue, 2 Sep, 2025 at 2:02 PM
How can I use the dash cam as a PC camera?

Modified on Wed, 15 Oct, 2025 at 3:58 PM
How can I play back my recordings on the dash cam and delete them?

Modified on Tue, 2 Sep, 2025 at 2:04 PM