PRESIDENT JOHNY III USA Manuel D'utilisation page 4

WARNING !
Before using, be careful never to transmit
without first having connected the antenna
(connection "B" situated on the back panel
of the equipment) or without having set the
SWR (Standing Wave Ratio) ! Failure to do so
may result in destruction of the power amplifier,
which is not covered by the warranty.
The warranty of this transceiver is valid only in the country of purchase.
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