User's Manual

M7X and M7R Page 3-16 Operation
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Fig 3-20 Enter Channel Screen (Maritime Mode Only)
(6) If an invalid frequency (or channel in Maritime mode) was entered during this procedure, the
radio remains tuned to the previous settings; neither the Waveform Profile, or frequency are
altered. An invalid frequency may be due to:
 Entering a frequency outside the range of the radio
 Entering a frequency outside of the Selectable Frequency Bands (see page 3-29)
 Entering an 8.33 kHz channel frequency outside the permitted frequency band
 Entering an 8.33 kHz channel frequency in the wrong format (see page 3-19)
 Entering an 12.5 kHz channel frequency outside the permitted frequency band
 Entering an 12.5 kHz channel frequency in the wrong format (see page 3-20)
 Entering an invalid channel number for Maritime mode
 Entering an 8.33 kHz or 12.5 kHz channel frequency in a waveform that does not support
these channel spacings.