User manual ICOM IC-M422

[. . . ] INSTRUCTION MANUAL VHF MARINE TRANSCEIVER iM422 FOREWORD Thank you for purchasing this Icom product. The IC-M422 VHF MARINE TRANSCEIVER is designed and built with Icom's state of the art technology and craftsmanship. With proper care, this product should provide you with years of trouble-free operation. We want to take a couple of moments of your time to thank you for making the IC-M422 your radio of choice, and hope you agree with Icom's philosophy of "technology first. " Many hours of research and development went into the design of your IC-M422. IMPORTANT READ ALL INSTRUCTIONS carefully and completely before using the transceiver. SAVE THIS INSTRUCTION MANUAL -- This instruction manual contains important operating instructions for the IC-M422. EXPLICIT DEFINITIONS DEFINITION Personal injury, fire hazard or electric shock R WARNING! [. . . ] 23 6 DSC OPERATION D Transmitting a Polling Request call Transmit a Polling Request call when you want to know a specific ship is in the communication area, etc. r Push [DSC·POS] to enter the standby condition for Polling Request call. · Channel 70 is selected and " comment indicator. " appears at the channel , " push Scrolls t Push [DSC·POS] to transmit the Polling Request call. e Push [Y] or [Z] to select the desired pre-programmed Individual address. · The ID code must be set in advance. 13) Transmitting y After the Polling Request call has been transmitted, the following indication is displayed. ·" " scrolls at the channel comment indicator. Scrolls u Push any key to exit the condition and return to the previous indication before entering the DSC menu. 24 DSC OPERATION D Transmitting a Position Request Reply call Transmit a Position Request Reply call when a Position Request call is received. q When a Position Request call is received, "DSC" appears and " " scrolls at the channel comment indicator. 6 D Transmitting a Polling Request Reply call Transmit a Polling Request Reply call when a Polling Request call is received. q When a Polling Request call is received, "DSC" appears and " " scrolls at the channel comment indicator. 6 Scrolls Scrolls w Push [DSC·POS] to reply to the Position Request call; push other key to ignore the Position Request call. w Push [DSC·POS] to reply to the Polling Request call; push other key to ignore the Polling Request call. D Transmitting a Position Report Reply call Transmit a Position Report Reply call when a Position Report call is received. q When a Position Report call is received, "DSC" appears and " " scrolls at the channel comment indicator. Scrolls w Push [DSC·POS] to reply to the Position Report call; push other key to ignore the Position Report call. 25 6 DSC OPERATION D Receiving a Distress Relay call While monitoring Channel 70 and a Distress Relay acknowledgement is received: The emergency alarm sounds for 2 minutes. · Push any key to stop the alarm. I Receiving DSC calls D Receiving a Distress call While monitoring Channel 70 and a Distress call is received: The emergency alarm sounds for 2 minutes. · Push any key to stop the alarm. "DSC" appears and " " scrolls at the channel comment indicator, then Channel 16 is selected automatically. Continue monitoring Channel 16 as a coast station may require assistance. "DSC" appears and " " scrolls at the channel comment indicator, then Channel 16 is selected automatically. Scrolls Scrolls D Receiving an Individual call While monitoring Channel 70 and an Individual call is received: The emergency alarm or beeps sound for 2 minutes depending on the received category. · Push any key to stop the alarm or beeps. D Receiving a Distress Acknowledgement While monitoring Channel 70 and a Distress acknowledgement to other ship is received: The emergency alarm sounds for 2 minutes. · Push any key to stop the alarm. "DSC" appears and " nel comment indicator. " scrolls at the chan- "DSC" appears and " " scrolls at the channel comment indicator, then Channel 16 is selected automatically. Scrolls Scrolls Push [DSC·POS] to reply the call and select the channel specified by the calling station for voice communication (depending on your replying condition. See p, 18 for Individual acknowledgement call procedure for details. ); push any other key to ignore the call. 26 DSC OPERATION D Receiving a Group call While monitoring Channel 70 and a Group call is received: The emergency alarm or beeps sound for 2 minutes depending on the received category. · Push any key to stop the alarm or beeps. 6 Push [DSC·POS] to monitor Channel 16 for an announcement from the calling vessel, push any other key to ignore the call. D Receiving a Geographical Area call While monitoring Channel 70 and a Geographical Area call (for the area you are in) is received: The emergency alarm or beeps sound for 2 minutes depending on the received category. · Push any key to stop the alarm or beeps. "DSC" appears and " comment indicator. " scrolls at the channel 6 Scrolls "DSC" appears and " channel comment indicator. Push [DSC·POS] to select the channel specified by the calling station for voice communication; push any other key to ignore the call. " scrolls at the Scrolls D Receiving an All Ships call While monitoring Channel 70 and an All Ships call is received: The emergency alarm sounds for 2 minutes when the category is `Distress' or `Urgency'; the beeps sound for 2 minutes for other categories. · Push any key to stop the alarm or beeps. "DSC" appears and " comment indicator. " scrolls at the channel Push [DSC·POS] to select the channel specified by the calling station for voice communication; push any other key to ignore the call. Monitor the selected channel for an announcement from the calling station. When no GPS receiver is connected or if there is a problem with the connected receiver, all Geographical Area calls are received, regardless of your position. Scrolls 27 6 DSC OPERATION D Receiving a Polling Request call While monitoring Channel 70 and a Polling Request call is received: "DSC" appears and " " scrolls at the channel comment indicator. The beeps sound for 2 minutes. · Push any key to stop the beeps. D Receiving a Position Request call While monitoring Channel 70 and a Position Request call is received: "DSC" appears and " " scrolls at the channel comment indicator. The beeps sound for 2 minutes. · Push any key to stop the beeps. Scrolls Scrolls Push [DSC·POS] to reply to the call; push any other key to ignore the call. Push [DSC·POS] to reply to the call; push any other key to ignore the call. D Receiving a Position Report call While monitoring Channel 70 and a Position Report call is received: "DSC" appears and " " scrolls at the channel comment indicator. The beeps sound for 2 minutes. · Push any key to stop the beeps. D Receiving a Position Request Reply call While monitoring Channel 70 and a Position Request Reply call is received: "DSC" and "POS REPLY" appear in the display. · The `Latitude' and `Longitude' from the called station is displayed and scrolled at the channel comment indicator in order of Latitude co-ordinates and then Longitude co-ordinates. ·" " scrolls when no GPS is connected. The beeps sound for 2 minutes. Scrolls · Push any key to stop the beeps. Scrolls Push [DSC·POS] to reply to the call; push any other key to ignore the call. 28 DSC OPERATION D Receiving a Position Report Reply call While monitoring Channel 70 and a Position Report Reply call is received: "DSC" and "POS REPLY" appear in the display. · The `Latitude' and `Longitude' you have sent is displayed and scrolled at the channel comment indicator in order of Latitude co-ordinates and then Longitude co-ordinates. ·" " scrolls when no GPS is connected. 6 The beeps sound for 2 minutes. · Push any key to stop the beeps. 6 Scrolls D Receiving a Polling Request Reply call While monitoring Channel 70 and a Polling Request reply call is received: "DSC" appears and " " scrolls at the channel comment indicator. The beeps sound for 2 minutes. · Push any key to stop the beeps. Scrolls Push [DSC·POS] to reply to the call; push any other key to ignore the call. [. . . ] y Turn power OFF, then ON again to exit Set mode. 49 12 COMMANDMIC IITM HM-157 I Intercom operation q Push [LO/DX· IC SCR] for 1 sec. w Push and hold [PTT] to talk. ·" " appears at the channel comment indicator. I Public Address function q While pushing [H/L], push [VOL· DIM PA/RX ] to enter the Public Address mode. w Push and hold [PTT] to talk. ·" " appears at the channel comment indicator. e Release [PTT] to listen. ·" " appears at the channel comment indicator when the transceiver is in talking mode. · Pushing [16·9] also cancels the Intercom function. e Release [PTT] to listen. · To adjust the audio output level, push [Y] or [Z]. r To cancel the Public Address mode, repeat step q. · Pushing [16·9] also cancels the Intercom function. For your reference: In case the Intercom mode is selected with the transceiver while the microphone power is OFF, the microphone power is automatically turned ON and the Intercom mode is selected. While in the Public Address mode, the transceiver functions (transmit and receive) are interrupted. [. . . ]