Can I upgrade the JJ-CCR controller to firmware 63?

YES – You can upgrade the JJ-CCR controller firmware to version 63.

Important Predator Upgrade Notice:
Users of firmware V34 and lower must update to the “Transition Firmware” first. After the Transition Firmware update is complete update to Firmware V63 from the System Setup > Load Upgrade menu. To transfer the firmware to the JJ-CCR controller install Shearwater Desktop and use the Dive Computer > Update Firmware menu.