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(p. 39). manual tuning. • The AT-180 can match both HF and 50 MHz bands. If the tuner cannot reduce the SWR to less than 1.5:1 However, operation is different for the HF and 50 after 20 sec.
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I A A T T - - 1 1 8 8 0 0 i i n n t t e e r r n n a a l l s s w w i i t t c c h h d d e e s s c c r r i i p p t t i i o o n n The optional AT-180 has 3 operating conditions for HF band operation.
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