PRESIDENT TAYLOR III Owner's Manual page 24

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.
MULTI-NORMS TRANSCEIVER!
See on page 28 and the Configuration table
on page 42.
The guarantee is valid in the country of purchase
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