User manual ICOM IC-GM651

[. . . ] INSTRUCTION MANUAL VHF MARINE TRANSCEIVER iGM651 Ver. 1. 003 FOREWORD Thank you for purchasng ths Icom transcever. The IC-GM651 vhf marine transceiver s desgned and bult wth Icom's state of the art technology and craftsmanshp. Wth proper care, ths transcever should provde you wth years of trouble-free operaton. [. . . ] If the transceiver has no position data, `_' (under bar) is indicated. Contnue to the next page 35 6 DSC OPERATION NOTE: When no poston and tme data are nput, the followng screen appears. Push [ENT] to set. · Push [CLR] to cancel and back to the prevous screen. --DSC Menu-No Position Data No Time Data Are You Sure? y Push and hold [DISTRESS] for 3 sec. to transmt the Dstress call. · Emergency channel (Channel 70) s automatcally selected and the Dstress call s transmtted. · Whle pushng [DISTRESS], the key backlght blnks and countdown alarm s emtted. · The dstress nformaton s stored. · Push [CLR] to ext the condton. Distress Call Push Push and hold Push [DISTRESS] for 3 sec. Distress Call for 3 sec. Push for 3 sec. TX Distress Call Transmitting 36 Transmitting DSC OPERATION u After transmttng the Dstress call, the transcever wats for an acknowledgment call. · The Dstress call s automatcally transmtted every 3. 5 to 4. 5 mnutes. 38) · [PTT] s actvated for voce communcaton wth a martme staton va Channel 16. 25W TAG Waiting for DistressACK INT 6 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 The Dstress call s repeated every 3. 5­4. 5 mn. , untl recevng an `acknowledgement. ' (`Dstress Call Repeat' mode; p. 38) Push [CLR] to transmt the `Dstress Cancel' to cancel the `Dstress Call Repeat' mode. 38) Push [DISTRESS] to transmt a renewed Dstress call, f requred. "??" may blnk nstead of poston and tme ndcatons and the alarm sounds when the GPS data s nvald, or has not been manually updated after 4 hours. i After recevng the acknowledgment, reply usng the mcrophone. Blinks when the acknowledgement is received. 25W INT TAG Received DistressACK <Coast St. 1 After receiving the acknowledgment from Coast St. 1. · "<" means "from. " 37 6 DSC OPERATION D Transmitting a Distress Cancel · About the `Distress Call Repeat' mode The Dstress call s automatcally repeated every 3. 5­4. 5 mn. , untl recevng an `acknowledgement. ' To cancel the `Dstress Call Repeat' mode, transmt the Dstress Cancel as at rght. q After 3. 5­4. 5 mn has passed from transmttng the Dstress call, the key backlght starts blnkng and countdown alarm s emtted automatcally. After 3 sec. , the dstress call re-transmsson s performed. TX Distress Call Re-transmitting Dstress Cancel call operaton s avalable only when the transcever s watng for an `acknowledgement' call after transmttng the Dstress call. (`Dstress Call Repeat' mode) q Whle watng for the Dstress acknowledgement call after transmttng the Dstress call, push [CLR]. · `Dstress Call Repeat' mode s canceled. 25W TAG INT Push Waiting for DistressACK w Push [ENT] to transmt the Dstress Cancel. Transmitting w After transmttng the Dstress call, the transcever wats for an acknowledgment call. · Emergency channel (Channel 70) s automatcally selected. · Push [CLR] to cancel and back to the prevous condton. 38 DSC OPERATION 6 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 D Transmitting a Distress Acknowledgement call Distress Cancel Are You Sure?Push to Transmit Push TX Distress Cancel Transmitting Dstress call recepton should stop after one sequence snce the coast staton should send back an `acknowledgement' to the shp. If the dstress call contnues even the coast staton send back an `acknowledgement, ' the shp n dstress may not be recevng the call. In such cases, you should contact the coast staton va the phone and send back an `acknowledgement' on behalf of the coast staton f the coast staton requres. q Push [MENU] to enter the DSC menu, then rotate [SELECTOR] to select "Distress ACK, " push [ENT]. · "Distress ACK" s added to the DSC menu after recevng a dstress call. Transmitting e After 2 sec. , the transcever returns to the normal operaton condton. 25W TAG 34°34. 506N 123°23. 236W UTC 12:00 INT Rotate SELECTOR --DSC Menu-Select Item Distress Relay Distress ACK All Ships Call Individual Call Group Call Distress Call Push w Rotate [SELECTOR] to select the address, push [ENT] CALLING Rotate SELECTOR --DSC Menu-Select Address Station 1 Station 2 Station 3 Push 39 6 DSC OPERATION t After transmttng the Dstress Acknowledgement call, the transcever selects the Channel 16 automatcally. 25W TAG 34°34. 506N 123°23. 236W UTC 12:00 INT e The dstress nformaton appears. Push [ENT]. --DSC Menu-Distress Information Distress ID 121111113 Undesignated LAT: 12°23. 111N LON:123°23. 123E UTC:10:25 Telephony Rotate SELECTOR CALLING Push r Push [ENT] to transmt the Dstress Acknowledgement call. · Emergency channel (Channel 70) s automatcally selected. --DSC Menu-Distress ACK Are You Sure?Push to Transmit Push TX Distress ACK Transmitting Transmitting 40 DSC OPERATION D Transmitting a Distress Relay call 6 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 There are two ways to transmt the dstress relay call-- "DROBOSE (Dstress Relay On Behalf Of Someone Else)" and "Dstress Relay Call wth Dstress Call Log". [. . . ] · The recevng audo can be heard from the earpece of the handset. - Replace the handset nto the cradle to emts the recevng audo from the connected external speaker. CAUTION: NEVER connect the optonal hand mcrophone (HM-126RB) here. [HAND SET] 117 9 TROUBLESHOOTING PROBLEM POSSIBLE CAUSE SOLUTION · Check the connecton to the transcever. · Set [SQL] to the threshold pont. · Turn the nternal speaker ON n Set mode. [. . . ]