User manual ICOM IC-M8

[. . . ] Your call sign or other indication of the vessel (AND 9-digit DSC ID if you have one). "LOCATED AT . . . . . . . . . . . . . . . " (your position) 5. The kind of the distress and assistance required. Any other information which might facilitate the rescue. i USING DIGITAL SELECTIVE CALLING (Ch 70) DISTRESS CALL PROCEDURE 1. [. . . ] 22) t Push [DSC/ENT] to transmit the individual call. · Channel 70 is selected and the individual call is transmitted to the selected station. · If channel 70 is busy, the transceiver standbys until the channel becomes clear. · Routine category only is available. To call, [DSC/ENT] To cancel [other] Push [DSC/ENT] to transmit DSC call. Individual Ch70 is BUSY To cancel [other] When Ch70 is busy. y Standby on channel 70 until an acknowledgement is received. Individual Completed Wait for ACK u When the acknowledgement is received, the display changes to the previously selected user channel with beeps. i Push and hold [PTT] to communicate your message to the responding party. Sel address Manual set Icom John 17 6 DSC OPERATION Transmitting individual acknowledgement Transmit an acknowledgement (`able to comply' or `unable to comply') when an individual call for you is received. q Select a desired channel other than channel 70. w Push [DSC/ENT] to select the DSC menu. e Rotate the channel selector to select "INDV ACK" and push [DSC/ENT]. · "INDV ACK" appears after an individual call is received. Comply Able Unable y If you select `Unable, ' select the reason by rotating the channel selector, then push [DSC/ENT]. · `No reason given, ' `Congestion, ' `Busy, ' `Queue indication, ' `Barred (Station barred), ' `No operator, ' `No Equip (Equipment disable), ' `No channel (Unable channel)' and `No mode (Unable mode)' are available. Sel item Individual INDV ACK All ships r Rotate the channel selector to select the desired individual address or ID code, then push [DSC/ENT]. Sel address Icom John Reason No reason Congestion Busy u Push [DSC/ENT] to transmit the acknowledgement to the selected station. To call, [DSC/ENT] To cancel [other] i The individual acknowledgement has been transmitted. t Rotate the channel selector to select an acknowledgement (`Able' or `Unable'), then push [DSC/ENT]. 18 DSC OPERATION Transmitting all ships call Large ships use channel 70 as their "listening channel. " When you want to announce a message to these ships, use the "all ships call" function. q Select a desired channel other than channel 70. to transmit the distress call. · Push [DSC/ENT] to exit the condition. · The selected nature of the distress is stored for 10 minutes. Sel nature Undesign Explosion Flooding 21 6 DSC OPERATION s DSC individual ID A total of 40 DSC address ID's can be programmed and named with up to 10 characters. Add ID ID: NAME: Programming address ID q Push [DSC/ENT] to select the DSC menu. w Rotate the channel selector to select "Set-up" and push [DSC/ENT]. Sel item RCV calls DTRS set Set-up e Rotate the channel selector to select `Add ID, ' then push [DSC/ENT]. Set-up Add ID Delete ID Offset time r Set the distress ID and ID name, then push [DSC/ENT]. · Rotate the channel selector to select the character. · Push [CH/WX] to advance the cursor. · Push [SCAN] to move the cursor backward. · Push [HI/LO] to cancel and exit the condition. t Push [DSC/ENT] to program and to exit the condition. Deleting address ID q Push [DSC/ENT] to select the DSC menu. w Rotate the channel selector to select "Set-up" and push [DSC/ENT]. Sel item RCV calls DTRS set Set-up e Rotate the channel selector to select `Delete ID, ' then push [DSC/ENT]. · When no address ID is programmed, the transceiver exits the condition automatically. Set-up Add ID Delete ID Offset time 22 DSC OPERATION r Select the desired ID name with the channel selector, then push [DSC/ENT]. Delete ID Icom2 John Smith t Push [DSC/ENT] to delete the address ID; push other switch to exit the condition. 6 s Receiving DSC calls Receiving a distress call While monitoring channel 70 and a distress call is received: ¯ Emergency alarm sounds for 2 minutes. · Push any switch to stop the alarm. ¯ "Received Distress" appears in the display; then, channel 16 is automatically selected. [. . . ] w Push [LO/DX·IC·SCR] while pushing [H/L] to turn the voice scrambler function ON. · "SCRM" appears. e To turn the scrambler function OFF, repeat step w. Appears when the voice · "SCRM" disappears. e Push [16·9] again for 3 sec. (until long beep changes to 2 short beeps) to enter call channel programming condition. · Call channel number and channel group to be programmed flashes. scrambler function is in use. Programming scramble codes There are 128 codes (00 to 127) available with UT-98 or 32 codes (01 to 32) available with the UT-112 for programming. In order to understand one another, all transceivers in your group must have the same scrambler code, as well as the same scrambler unit. [. . . ]