286 DSC OPERATIONy Standby on Channel 70 until an acknowledgement is re-ceived.u When the acknowledgement ‘Able to comply’ is received,the specified channel (in step r) is selected with beepsautomatically. Or, when the acknowledgement ‘Unable tocomply’ is received, the display returns to the operatedchannel (before enter the DSC menu) with beeps.i Push [CLR] to stop the beep, then push and hold [PTT] tocommunicate your message to the responding ship.DD Transmitting an individual acknowledgementWhen receiving an individual call, you can transmit an ac-knowledgement (‘Able to comply’ or ‘Unable to comply’) byusing the on screen prompts (see page 42 for details). Youcan also send an acknowledgement through the menu sys-tem as follows.q Push [MENU] to enter the DSC menu.w Rotate [DIAL] to select “IInnddiivviidduuaall AACCKK,” push[DIAL•ENTER].• “PPoossiittiioonn IInnppuutt” item appears when a GPS receiver(NMEA0183 ver. 2.0 or 3.01) is not connected.• “IInnddiivviidduuaall AACCKK” item appears after an individual call isreceived.e Rotate [DIAL] to select the desired individual address orID code, push [DIAL•ENTER].--DSC Menu--Select AddressJohn˘PaulGeorgeMichael / ENT˘OK>--DSC Menu--Select ItemPosition InputIndividual Call˘Individual ACKGroup CallAll Ships CallPosition Request25W INTReceivedINDV ACK˘Beep Off> COMMERCIAL25W INTDUPReceivedUnable ACK˘Beep Off> INTL--DSC Menu--Individual CallTX CompleteNow Waiting for ACK