GRAPHTEC GL820 - 2 Upgrading the Firmware; Note for the Firmware Upgrading; How to Upgrade the GL820 Flash ROM from the USB Memory Device

GL820-UM-251-9370 2-1
2. UPGRADING THE FIRMWARE
The version of your GL820’s rmware can be upgraded by rewriting the ash ROM on the pertinent circuit
boards. You can upgrade the rmware by loading the update program to a USB memory device.
2.1 Note for the firmware upgrading
• Save the measuring condition to the internal memory or the USB memory before the rmware upgrade.
• Don't turn off the power during upgrading the rmware.
2.2 How to Upgrade the GL820 Flash ROM from the USB memory device
Preparations for the upgrade
Firmware :MainVerxxxRevxxxxAxx.GL820 ← Main Program le for GL820
:PatternVerxxxRevxxxxAxx.GL820← Font le for GL820
(1) Connect the AC adapter for the GL820.
(2) Turn on the GL820.
(3) Copy the two les to a USB memory device from the computer.
(Copy the two main program les to root directory of a USB memory. Do not copy them to any folder.)
How to upgrade
(1) Insert the USB memory device containing the main upgrade program into the GL800's USB port.