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3.4 FIRMWARE UPGRADE
The microcontroller is provided with a built-in Flash memory containing the firmware. The firmware can be
updated with a later version without removing the apparatus from the rack and/or replacing the chip.
To upgrade it, connect a PC to the RS232 socket on the front panel of the apparatus by means of a cable
DB9 male - DB9 female (pin-to-pin).
Launch on the PC the EKAFlash application, select the serial port in use on the PC, choose the update file by
pressing the "..." key and click on Download button.
Eventually, turn off the amplifier from the main switch and then turn it on again. The upgrade of the firmware
begins on the EKAFlash window. The figure below shows this window while a firmware is being updated.
The EKAFlash window while updating a firmware
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