4. INSTALLATION
NRQ: Request NAVTEX messages
Command to request specific NAVTEX message(s) to be sent to IBS port. Messages may be sent in any order. Each message sent from the IBS port shall be preceded by the NRX sentence.
Note 1: the transmitter coverage area mask is defined as a 32 bit mask 0xFF.FF.FF.FF where the least significant bit represents transmitter coverage area ’A’, the next bit is ’B’ and so on up to bit 25 which is ’Z’. Bits
Note 2: the message type mask is defined as a 32 bit mask 0xFF.FF.FF.FF where the least significant bit represents message type ’A’, the next bit is ’B’ and so on up to bit 25 which is ’Z’. Bits
NMK: Set NAVTEX mask
Command to set B1.B2 mask for specific NAVTEX message(s) to be stored in internal message memory & echoed to the IBS port.
Note 1: the transmitter coverage area mask is defined as a 32 bit mask 0xFF.FF.FF.FF where the least significant bit represents transmitter coverage area ’A’, the next bit is ’B’ and so on up to bit 25 which is ’Z’. Bits
Note 2: the message type mask is defined as a 32 bit mask 0xFF.FF.FF.FF where the least significant bit represents message type ’A’, the next bit is ’B’ and so on up to bit 25 which is ’Z’. Bits
Example usage:
&NVNMK,518,00001E1F,00000023*42
