PRESIDENT JOHNNY II ASC Manual Del Usuario página 28

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
guarantee.
The garantee of this transceiver is valid only in the country pf purchase.
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