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20.4 Firmware update
A very useful feature of the Term_1.5K_USB.exe / Term_1.5K_232.exe applications is
one that enables software updating of the built-in firmware in the linear amplifier.
To update the linear amplifier it is necessary to use a suitable .PK4 firmware file, which
must be downloaded from our website www.linear-amplifier.com and then stored into a
proper working folder.
Switch the linear on leaving it set to the STANDBY mode during the firmware updating.
Under these conditions the File\Firmware update menu item becomes active and, after
being selected, it sets the EXPERT 1.5K-FA into its firmware update mode (FIRMWARE
UPDATE PROCEDURE).
Pressing [CAT] key twice, the current software revision is shown.
NOTE: It is highly recommended that prior to carrying out a firmware update, that all cabling except
the AC power and USB cable, are disconnected from the SPE.
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