Commlite CM-ENF-E1 PRO Firmware Upgrading Instruction page 11

Since the whole upgrading process needs to take 15 minutes, please turn off
the computer's sleeping mode before firmware upgrade. Consult the
manufacturer for more details.
3. Other Requirement
3.1 Power
Full charge of Battery NP-FW50
Note: One can operate only when the battery power is over than 3 grids, we
recommend the full-power battery.
3.2 Original USB Cable
Note: We don't assure one can successfully upgrade with the USB cable
bought from the-third party manufacturer
◆ Firmware Upgrade
--Please use the full-charged battery or battery adapter before upgrading;
--Please don't take out the battery or interrupt the power during firmware
upgrading, otherwise it may cause your camera's damage permanently;
--Please take out the memory card before upgrading;
--Please turn off the sleeping mode of your computer before upgrading;
1. Download the upgrading file
Click to download the relevant files.
Save the downloaded file Update_ENF-E1v02(M).dmg to your computer's
desktop (Recommended)
Then after decompression