ICOM M-700 Marine Transceiver Despite that the literature says, no lock-out is employed. For ham frequencies on 40, 80 or 160 meters, set the mode switch to the hard left position of "A3," to enable the lower sideband filter (all marine HF uses upper sideband). -- Frank W9MKV bitnet: reid@iubacs arpa: reid@gold.bacs.indiana.edu RERUN...BY...N0KGX...GENE