Instruction Manual

-12- V:0.1 june 26,2019
Step 2
：
1. Open the "GH800 upgrade tools" folder, Double-click to
run the"testTool" program.
2. Select the only drive option that appears in the Device
drop-down option box .
3. Click on the "..." in the Firmware option, Select the
upgrade program file for the handle.
4. Click "Download" to upgrade, Indicate "update success"
after completion .