This type of alert is of the lowest priority. This is the most common type of alert used for contacting friends on another vessel, for contacting marina, for setting up and establishment of a voice communication public correspondence link call via a CRS to a subscriber ashore using a duplex working channel, etc.

After broadcasting the Routine Alert on VHF CH 70 and receiving the acknowledgment on VHF CH 70, voice communication continues on a VHF working channel indicated in the DSC acknowledgement from the individual vessel or CRS.

(MMSI of the called station spoken 1 to 3 times) and/or (Name of the called station spoken 1 to 3 times) and/or (Call sign of the called station spoken 1 to 3 times)

THIS IS (MMSI of the calling station spoken 1 to 3 times) and/or (Name of the calling station spoken 1 to 3 times) and/or (Call sign of the calling station spoken 1 to 3 times)

(Message)

OVER

Pattern of a Routine Call and Message


Lyngby Radio Lyngby Radio Lyngby Radio

THIS IS 278054321, Spinaker, Spinaker, Spinaker, code sign Sierra 5 Lima 1 2

Request link call to subscriber +44 1253 779123

OVER

An example of a Routine Call and Message

Practice on VHF radio simulator

The following indicates the procedure for broadcasting a Routine Alert on VHF CH 70 using the VHF DSC controller:
  1. Select working channel in Radio mode
  2. Switch to DSC mode
  3. Press Call softkey
  4. Set the station you wish to call either
    • From directory - press Dir softkey to scroll through directory entries, or
    • From manually entered MMSI - use keypad to type in MMSI and press E key
  5. If you are not calling CRS (MMSI begins with "00") then you can change the channel to be used in voice communication (by default it is the same as working channel) either
    • From pre-programmed VHF CH 06, 08, 72 and 77 - press Chan softkey to scroll through them and press E key, or
    • Manually enter the channel number - use keypad to type in channel number and press E key
  6. Press Send softkey
  7. Press E key


The setting up and broadcasting of a Routine Alert on VHF CH 70

Routine Alert is transmitted to enter MMSI on VHF CH 70. Wait for the DSC acknowledgement from addressed MMSI.



Waiting for the DSC acknowledge and receiving it

Follow with voice communication on working channel indicated in the DSC acknowledgment.

Reception of a Routine Alert

After the reception of a Routine Alert on VHF CH 70 an acknowledgement on VHF CH 70 could be sent back. After sending an acknowledgement the radio will automatically re-tune to the working channel. Then a voice message on working channel should be listened and voice communication on working channel should continue.

Practice on VHF radio simulator

After the reception of a Routine Alert you can:
  • Accept and answer the call by sending an acknowledge: Press softkey Ack.
  • Not accept the call: Press key C to cancel ringing and clearing the display. Press softkey Stop to cancel ringing only.


Reception of a Routine Alert and sending an acknowledge

Last modified: Saturday, 25 April 2020, 7:50 PM