GOM-804 & GOM-805 Firmware Update Manual
12
Flashing the Slave Microcontroller
Entering the Slave Bootloader mode
Before performing the firmware update, please ensure
that the USB driver for the GOM-804/805 has already
been installed. See the user manual for installation
details.
1. To update the firmware, a Type A-B USB cable is
required.
2. Ensure the power is off on the meter.
3. Insert the USB cable into the USB device port on
the meter’s rear panel.
REMOVE INPUTS BEFORE OPENING.
TO AVOID SHOCK,
WARNING
RS232
SER.NO. LABEL
100 240V , 50 60Hz
25VA MAX
AC
HANDLER / SCAN / EXT I/O
TC SENSOR
GPIB
4. Plug the other end of the USB cable into the PC
that will perform the update.