The FS-1562 series is a MF/HF radiotelephone fully capable of GMDSS, MARITEX and TELEX operation, packaged in a compact, sturdy cabinet. The radiotelephone is available with 150 Wpep (FS-1562-15) or 250 Wpep (FS-1562-25) power output. The high-performance DDS (Direct Digital Synthesizer) is computer-controlled to generate all authorized transmit frequencies between 1.6 and 27.5 MHz plus any receive frequency from 0.1 to 30 MHz in 10 Hz steps. On paired channels, the transmit frequency and the receive frequency are displayed simultaneously. Frequencies and channels are selected either by the rotary control or numeric keys. International calling and distress frequency 2182 kHz is instantly selected by a single touch of the [2182] key.