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View Full Version : Cobra 36M & 72M Critical Firmware Update



Berserker23
06-13-2018, 09:45 PM
We discovered two minor issues in the current 5.0.2 BETA firmware for the 36M and 72M. It is important that you update your current devices in order to avoid any issues. Please find an explanation of the issues below and how to update your devices. Please note that this issue is on the 36M and 72M only.

Issue #1: The 36M and 72M may not show continuity if the internal temperature exceeds around 110°F or 43°C. For example, this can occur in ambient temperatures as low as 80°F or 27°C when the unit is exposed to direct sunlight for extended periods of time. Please note that even though the 36M and 72M would not show continuity, this would not prohibit the unit from firing. This firmware update will fix this issue.

Issue #2: The 36M and 72M may not show continuity for certain Talon igniter clips due to having a higher resistance value. This has been resolved as continuity will now display for those Talons. This could occur in as high as 20% of Talons. This patch release will fix this issue.

How to fix?

To fix the device, please perform the following steps:

Download the 90m.s19 and save to a USB drive
Insert the USB drive into your 36M or 72M.
Hold SYNC and turn the key to the TEST or ARM position. Red LEDs
will light side to side. Once complete, restart the device. The
device is now running 5.0.3.
If you have any questions, please contact us at ssmith@cobrafiringsystems.com.