The middle button tells you reflected power If you hold it in for 3
seconds you will get a rapid beaping. Then if you key your
transmiter, and tune for lowest tone, you will have reflected power at 0 watts.
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No virus found in this outgoing message.
Checked by AVG Free Edition.
Version: 7.1.405 / Virus Database: 268.12.3/446 - Release Date: 9/12/2006