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21

6

DSC OPERATION

6

Position and time programming

A distress call should include the ship’s position and time
data. If no GPS is connected, your position and UTC (Univer-
sal Time Coordinated) time should be input manually. They
are included automatically when a GPS receiver (NMEA0183
ver. 2.0 or 3.01) is connected.

q

Push 

[MENU]

to enter the DSC menu.

w

Rotate 

[DIAL]

to select “

P

Po

os

si

it

ti

io

on

n I

In

np

pu

ut

t

,” and push

[DIAL•ENTER]

.

e

The position information appears. Set your position (lati-
tude and longitude) data by rotating 

[DIAL]

.

• Push 

[16•9]

or 

[CH/WX•DUAL•U/I/C]

to move the cursor forward

or backward, respectively.

• Rotate 

[DIAL]

to edit N; North latitude or S; South latitude when

the cursor is on the ‘N’ or ‘S’ position, and W; West longitude or
E; East longitude when the cursor is on the ‘W’ or ‘E’ position.

• Push 

[CLR]

for 1 sec. to clear the latitude/longitude data.

• Push 

[CLR]

to cancel and return to the DSC menu.

r

After setting the position data, push 

[DIAL•ENTER]

to set

the current UTC time. Set the current UTC time by rotating

[DIAL]

, then push 

[DIAL•ENTER]

.

• Push 

[16•9]

or 

[CH/WX•DUAL•U/I/C]

to move the cursor forward

or backward, respectively.

• Push 

[CLR]

for 1 sec. to clear the UTC time data.

• Push 

[CLR]

to cancel and return to the DSC menu.

t

Push 

[CLR]

or rotate 

[DIAL]

to select “

E

Ex

xi

it

t

,” push

[DIAL•ENTER]

.

• Returns to the DSC menu.
• Repeat again to return to the normal operation condition.

Manually programmed position data will be held for 23.5
hours only.

--DSC Menu--

Input UTC Time

__:__

Null

<CLR

<CLR 1sec

1sec˘Null

Null Data>

Data>

<CLR

<CLR˘Exit

Exit / ENT

ENT˘OK>

OK>

--DSC Menu--

Input Position
Latitude

__°__.___N

Null

Longitude

__°__.___W

Null

<CLR

<CLR 1sec

1sec˘Null

Null Data>

Data>

<CLR

<CLR˘Exit

Exit / ENT

ENT˘OK>

OK>

--DSC Menu--

Select Item
˘

Position Input
Individual Call
Group Call
All Ships Call
Position Request
Position Report

Summary of Contents for iM504

Page 1: ...INSTRUCTION MANUAL iM504 VHF MARINE TRANSCEIVER...

Page 2: ...ilable IMPORTANT READ ALL INSTRUCTIONS carefully and completely before using the transceiver SAVE THIS INSTRUCTION MANUAL This in struction manual contains important operating instructions for the IC...

Page 3: ...STICKER USING DIGITAL SELECTIVE CALLING Ch 70 DISTRESS CALL PROCEDURE 1 While lifting up the key cover push and hold DISTRESS for 5 sec until you hear 5 short beeps change to one long beep 2 Wait for...

Page 4: ...with radio and antenna when persons are within the MPE radius of the antenna unless such persons such as driver or radio operator are shielded from antenna field by a grounded metallic barrier The MPE...

Page 5: ...e programming 15 MMSI code check 16 DSC address ID 17 Position and time programming 21 Position and time indication 22 GPS information indication 22 Distress call 23 Transmitting DSC calls 26 Receivin...

Page 6: ...m away from the ship s navigation compass DO NOT use or place the transceiver in areas with temper atures below 4 F 20 C or above 140 F 60 C or in areas subject to direct sunlight such as the dashboa...

Page 7: ...radio purposes 2 OPERATOR S LICENSE A Restricted Radiotelephone Operator Permit is the license most often held by small vessel radio operators when a radio is not required for safety purposes The Res...

Page 8: ...rned ON Push and hold for 1 sec to activate an optional Inter com function p 50 Push and hold to call the optional command micro phone while in Intercom mode p 50 While pushing and holding H L push to...

Page 9: ...ri watch p 14 Push to stop Dualwatch or Tri watch when either is acti vated p 14 Move the cursor backward while in the channel com ment programming condition p 10 While pushing and holding H L push to...

Page 10: ...inks when the battery voltage drops to approx 10 V DC or below i CHANNEL NUMBER READOUT Indicates the selected operating channel number o CHANNEL COMMENT INDICATOR Channel comment appears if programme...

Page 11: ...ring Tri watch p 14 3 SCRAMBLER INDICATOR p 11 Appears when the voice scrambler function is activated only when the optional scrambler unit is installed 4 LOCAL INDICATOR p 8 Appears when the Attenuat...

Page 12: ...ure use call channel The call channel is monitored during Tri watch The call channels can be programmed p 9 and are used to store your most often used channel in each channel group for quick recall Pu...

Page 13: ...utomatically detect a weather alert tone on the selected weather channel while receiving the channel during standby on a regular channel or while scanning p 56 q Push CH WX DUAL U I C once or twice to...

Page 14: ...essary L LO OC C appears when the receive Attenuator function is in use y Push H L to select the output power if necessary 2 25 5W W or 1 1W W appears when high or low power is selected re spectively...

Page 15: ...call channel programming Channel number starts blink ing r Rotate DIAL to select the desired channel t Push 16 9 to program the displayed channel as the call channel Push CLR to cancel The channel nu...

Page 16: ...d set the comment Push CLR to cancel The cursor and the character stop blinking y Repeat steps q to t to program other channel com ments if desired Microphone Lock function The Microphone Lock functio...

Page 17: ...27 avail able for programming when an optional scrambler unit is in stalled In order to understand one another all transceivers in your group must have the same scramble code This func tion may not be...

Page 18: ...use Refer to right page for details Choose Priority or Normal scan in Set mode p 55 PRIORITY SCAN Priority scan searches through all TAG channels in se quence while monitoring Channel 16 When a signal...

Page 19: ...elect the desired channel group USA INT CAN if desired w Set TAG channels as described at left e Make sure the squelch is closed to start a scan r Push SCAN TAG to start Priority or Normal scan P PR R...

Page 20: ...Channel 16 until the signal disappears If a signal is received on the call channel during Tri watch Tri watch becomes Dualwatch until the signal disappears To transmit on the selected channel during D...

Page 21: ...r CH WX DUAL U I C to move the cursor forward or backward respectively Push CLR to cancel and return to the set up menu i After entering the 9 digit code push DIAL ENTER to set the code Returns to the...

Page 22: ...ck k push DIAL ENTER r Check the 9 digit MMSI DSC self ID code t Push CLR or rotate DIAL to select E Ex xi it t push DIAL ENTER Returns to the DSC menu Repeat again to return to the normal operation c...

Page 23: ...and return to the set up menu F Fu ul ll l I ID D appears when 100 DSC address IDs are already set After inputting the 9 digit MMSI number push DIAL ENTER or 16 9 to enter a 10 character ID name t Af...

Page 24: ...lect the desired ID name for deleting t Push DIAL ENTER to delete the address ID and return to the set up menu y Push CLR or rotate DIAL to select E Ex xi it t push DIAL ENTER Returns to the DSC menu...

Page 25: ...turn to the set up menu F Fu ul ll l I ID D appears when 100 DSC address IDs are already set After entering an 8 digit ID code push DIAL ENTER or 16 9 to enter a 10 character ID name 1st digit 0 is fi...

Page 26: ...ct the desired ID name for deleting t Push DIAL ENTER to delete the group ID and return to the set up menu y Push CLR or rotate DIAL to select E Ex xi it t push DIAL ENTER Returns to the DSC menu Repe...

Page 27: ...Push CLR for 1 sec to clear the latitude longitude data Push CLR to cancel and return to the DSC menu r After setting the position data push DIAL ENTER to set the current UTC time Set the current UTC...

Page 28: ...is RMC GGA GNS and GLL When sentence formatter RMC is received time indi cation includes a date Thus the UTC or Local indica tion is not displayed may blink instead of position and time indications w...

Page 29: ...atically selected and the distress call is transmitted When no GPS is connected input your position and UTC time if possible While pushing DISTRESS the key backlighting blinks e After transmitting the...

Page 30: ...DIAL to select D Di is st tr re es ss s S Se et tt ti in ng g and push DIAL ENTER e Rotate DIAL to select the nature of the distress push DIAL ENTER U Un nd de es si ig gn na at te ed d E Ex xp pl lo...

Page 31: ...tating DIAL then push DIAL ENTER Push 16 9 or CH WX DUAL U I C to move the cursor forward or backward respectively Push CLR for 1 sec to clear the UTC time data Push CLR to cancel and return to the DS...

Page 32: ...n manually updated after 4 hours Transmitting DSC calls To ensure correct operation of the DSC function please make sure you set the squelch correctly p 8 D D Transmitting an individual call The indiv...

Page 33: ...ting DIAL 1st digit must not be 0 r Rotate DIAL to select a desired intership channel push DIAL ENTER Intership channels are already preset into the transceiver in rec ommended order t Push DIAL ENTER...

Page 34: ...for details You can also send an acknowledgement through the menu sys tem as follows q Push MENU to enter the DSC menu w Rotate DIAL to select I In nd di iv vi id du ua al l A AC CK K push DIAL ENTER...

Page 35: ...group call function allows you to transmit a DSC signal to a specific group only q Push MENU to enter the DSC menu w Rotate DIAL to select G Gr ro ou up p C Ca al ll l push DIAL ENTER P Po os si it t...

Page 36: ...After the group call has been transmitted the following in dication is displayed u Push CLR to exit and the transceiver selects the inter ship channel specified in step r automatically Even if CLR has...

Page 37: ...1 is not connected e Rotate DIAL to select the desired category push DIAL ENTER Output power of Routine category is 1 W low power only The selectable category may differ according to the programmed se...

Page 38: ...Rotate DIAL to select P Po os si it ti io on n R Re eq qu ue es st t push DIAL ENTER P Po os si it ti io on n I In np pu ut t item appears when a GPS receiver NMEA0183 ver 2 0 or 3 01 is not connected...

Page 39: ...is displayed y Push CLR to return to the previous indication before en tering the DSC menu Even if CLR hasn t been pushed the display automatically re turns to the previous indication after 2 sec of...

Page 40: ...Set your position lati tude and longitude data by rotating DIAL Push 16 9 or CH WX DUAL U I C to move the cursor forward or backward respectively Rotate DIAL to edit N North latitude or S South latit...

Page 41: ...Push CLR to return to the previous indication before en tering the DSC menu Even if CLR hasn t been pushed the display automatically re turns to the previous indication after 2 sec of inactivity DSC M...

Page 42: ...h DIAL ENTER The ID code can be set in advance p 17 When M Ma an nu ua al l I In np pu ut t is selected set the 9 digit MMSI number for the individual you wish to call by rotating DIAL r Push DIAL ENT...

Page 43: ...reply call when a position request call is received q Push MENU to enter the DSC menu w Rotate DIAL to select P Po os si it ti io on n R Re ep pl ly y push DIAL ENTER P Po os si it ti io on n R Re ep...

Page 44: ...the DSC menu t After setting the position data push DIAL ENTER to set the current UTC time Set the current UTC time by rotating DIAL then push DIAL ENTER Push 16 9 or CH WX DUAL U I C to move the curs...

Page 45: ...y y item appears after a position report call is received e Rotate DIAL to select the desired individual address or ID code push DIAL ENTER r Push DIAL ENTER to transmit the position report reply call...

Page 46: ...item appears after a polling request call is received e Rotate DIAL to select the desired individual address or ID code push DIAL ENTER r Push DIAL ENTER to transmit the polling request call to the s...

Page 47: ...r ship is received The emergency alarm sounds for 2 minutes Push CLR to stop the alarm R Re ec ce ei iv ve ed d D Di is st tr re es ss sA AC CK K appears in the display then Channel 16 is automaticall...

Page 48: ...all is received The emergency alarm or beeps sound depending on the received category R Re ec ce ei iv ve ed d G Gr ro ou up p appears in the display Push CLR to stop the beep then push DIAL ENTER to...

Page 49: ...gardless of your position D D Receiving a position request call While monitoring Channel 70 and a position request call is re ceived R Re ec ce ei iv ve ed d P PO OS S R Re eq qu ue es st t appears in...

Page 50: ...tion report reply call While monitoring Channel 70 and a position report reply call is received R Re ec ce ei iv ve ed d P PO OS S R Re ep pl ly y appears in the display Push CLR to stop the beep then...

Page 51: ...to scroll to the desired message push DIAL ENTER Messages which are blinking have not been read e Rotate DIAL to scroll the message r Push CLR to exit or push CLR for 1 sec to delete the displayed me...

Page 52: ...ssage The stored message has various information depending on the type of distress call r Push CLR to exit or push CLR for 1 sec to delete the displayed message and returns to the DSC menu DSC Menu In...

Page 53: ...set time from the UTC Universal Time Coordi nated time by rotating DIAL Push 16 9 or CH WX DUAL U I C to move the cursor forward or backward respectively Push CLR to cancel and return to the set up me...

Page 54: ...SC menu w Rotate DIAL to select S Se et t u up p push DIAL ENTER e Rotate DIAL to select A Au ut to o A AC CK K push DIAL ENTER r Rotate DIAL to turn the automatic acknowledgement function ON or OFF t...

Page 55: ...ion from OFF All Station or List Station List Station Outputs the position data from the specified vessels listed on the DSC individual ID screen All Station Outputs the position data from all vessels...

Page 56: ...optional command microphone emit call beeps e Push and hold PTT and speak at a normal voice level into the microphone T TA AL LK K or L LI IS ST TE EN N appears on the caller or listener function disp...

Page 57: ...r function When this func tion is turned ON the received audio can be heard on the deck or tower via an external speaker or hailer speaker Connect an external speaker or hailer speaker as described on...

Page 58: ...eak at a normal voice level into the microphone T TA AL LK K appears W WA AI IT T appears at the channel comment indicator when the op tional command microphone is in use To adjust the hailer level ro...

Page 59: ...udio frequency One 5 second blasts every 120 seconds Two 5 second blasts separated by 2 seconds every 120 seconds One 5 second blast followed by two 1 second blasts each sepa rated by 2 seconds every...

Page 60: ...30 steps Even if ENT hasn t been pushed the display automatically changes to the next step after 5 sec of inactivity r To return to normal operation repeat step q When a DSC call is received the autom...

Page 61: ...E Ex xi it t then push DIAL ENTER to exit set mode and returns to normal op eration condition Set mode items D Scan type The transceiver has 2 scan types Normal scan and Priority scan Normal scan sear...

Page 62: ...tects the alert W WX X A AL LE ER RT T appears instead of W WX X indication when the function is set ON D D Dual Tri watch This item can be selected as Dualwatch or Tri watch p 14 D D Beep tone You ca...

Page 63: ...is turned OFF the transceiver will continue to work D D Scrambler type Appears when a scrambler unit is installed When an optional scrambler unit is installed the scrambler type can be selected in se...

Page 64: ...nominal at 13 8 V 4 t HAILER FOGHORN LEAD Blue Connects to a hailer speaker 25 W nominal at 13 8 V 4 y ANTENNA CONNECTOR Connects a marine VHF antenna with a PL 259 connector to the transceiver CAUTIO...

Page 65: ...upplied DC power cable If a fuse blows or the transceiver stops functioning track down the source of the problem if possible and replace the damaged fuse with a new one of the proper rating Supplied a...

Page 66: ...ore than 10 mm thick and can support more than 5 kg Mount the transceiver so that the face of the transceiver is at 90 to your line of sight when operating it CAUTION KEEP the transceiver and micropho...

Page 67: ...the transceiver through the hole as shown below e Attach the 2 supplied bolts M5 8 mm on either side of the IC M504 r Attach the clamps on either side of the IC M504 Make sure that the clamps align pa...

Page 68: ...shock and or equip ment damage Follow the case opening procedure shown here when you want to install an optional scrambler unit q Remove the 6 screws as shown below and open the trans ceiver w Discon...

Page 69: ...installation The optional HM 157 can be connected to the transceiver di rectly as well as via the supplied connection cable for longer distance remote operation The connector of the connection cable c...

Page 70: ...Using the mounting base as a template carefully mark the holes where the cable and three screws will be fastened r Drill holes at these marks t Install the mounting base using the supplied screws as...

Page 71: ...65 9 CONNECTIONS AND MAINTENANCE 9 Gasket Mounting base Cap Nut D D HM 162...

Page 72: ...66 9 CONNECTIONS AND MAINTENANCE 50 d mm 1 31 32 23 d mm 29 32 24 to 27 d mm 15 16 to 1 1 16 5 mm 3 16 Gasket Mounting base Cap Nut 2 mm 3 32 D D HM 157...

Page 73: ...an not be selected Some channels are programmed for low power or receive only in regulations The output power is set to low pgs 6 7 70 p 8 Change channels Push H L to select high power Scan does not s...

Page 74: ...4 27 32 D in Weight Approx 1450 g 3 lb 19 oz D D Transmitter Output power 25 W 1 W Modulation system Variable reactance frequency modulation Max frequency deviation 5 0 kHz Spurious emissions Less tha...

Page 75: ...and mount ing base included Black and white colors are available Do not connect the HM 157 to the OPC 1541 OPC 1541 MICROPHONE EXTENSION CABLE 6 m 20 feet microphone extension cable for optional HM 1...

Page 76: ...z 66A 1 USA CAN Transmit Receive 64A 64A 156 225 156 225 65A 65A 156 275 156 275 156 325 160 925 67 2 67 156 375 156 375 68 68 156 425 156 425 69 69 156 475 156 475 70 3 70 3 156 525 156 525 71 71 156...

Page 77: ...TEMPLATE HM 157 HM 162 Unit mm inch R12 Max MB 75 Cut here...

Page 78: ......

Page 79: ...MEMO...

Page 80: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan A 6483H 1US q Printed in Japan 2006 Icom Inc...

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