Firmware updates

Information about the firmware update for the GY-HM850E & GY-HM850ECH

Version: V0306


Points of improvement in reference to the previous version

(November 2017)

Add “Special function” which is prepared for specific customer (specific sales channel). 
"Special function" is activated only for the models sold in the specific sales channel. For the general specifications, this latest V0306 is just same as former V0305.
Minor bug fix regarding being controlled via network 
  Previous version 3.05 updates

 Following functions become controllable by RM-LP100(*) remote controller:
(*)available on incoming RM-LP100 V0101

Zoom (Tele/Wide/Stop, Speed)  

Focus (Far/Near)  

Iris (Open/Close)(*) *)available only on bundled FUJINON lens  

Master Black (Up/Down)

Gain (Up/Down)

Shutter (Slower/Faster)

White Balance R Gain/B Gain (Up/Down)

AE Level (Up/Down)

Detail (Up/Down)

AF/MF(*) *)in case FOCUS function is NOT assigned to USER11 switch

Menu Operation


Improved AF function in slow shutter mode

Fix the problem that an SSID may not be appeared in the result list when searching for a WiFi access point with
the SSID string including space(blank)



This software should only be uploaded to the unit for which it is intended. If this software is uploaded to a unit other than the product it is designed for, it will render the unit inoperative.
If the software upload fails, and subsequent upload attempts prove unsuccessful, the unit may need to be returned to JVC for service.  


Software License Agreement
By downloading, installing, or using this software, you agree to be bound by the terms and conditions of the following license agreement. Please read this agreement carefully.

JVC grants you a limited, non-exclusive license to use the upgrade software ("Software") in binary executable form in the normal operation of the applicable JVC products. Title, ownership rights, and intellectual property rights in and to the Software remain in JVC. This license is personal to you and you may make copies of the software only for your personal use. You agree that this license agreement does not need to be signed for it to take effect.

The software is provided on an "as is" basis without warranty of any kind -- either expressed or implied -- including, without limitation, any implied warranties of merchantability or fitness for a particular purpose. JVC does not warrant the performance of the software or that the software will meet your requirements or operate error free.



Attach both AC Adapter and Battery when updating.

Disconnect/Remove USB cable, Video cables (HDMI, SDI, A/V, etc), other cables except AC Adapter.

Do NOT power off during updating

It takes about 3 minutes for updating

After Firmware update, please go to System Menu and proceed a system reset.
This operation will be necessary for a proper update of your camcorder.


Please make shure you read the "Firmware Update Procedure" - >> GY-HM850_890_FirmwareUpdateE.pdf <<