![Icom IC-M604A [64/68] Troubleshooting](/img/pdf.png)
Icom IC-M604A [64/68] Troubleshooting
![Icom IC-M604A [64/68] Troubleshooting](/views2/1074297/page64/bg40.png)
58
TROUBLESHOOTING
10
PROBLEM POSSIBLE CAUSE SOLUTION REF.
The transceiver does
not turn ON.
• Bad connection to the power supply. • Check the connection between the battery-
and the transceiver.
pp. 50,
51
No sound comes from
the speaker.
• Squelch level is too high.
• Volume level is too low.
• Speaker has been exposed to water.
• Internal speaker is turned OFF.
• Set [SQL] to the threshold point.
• Adjust [VOL] to a suitable level.
• Clear water from the speaker.
• Turn the internal speaker ON in the Set
mode.
p. 9
p. 9
p. 11
p. 48
Sensitivity is low. • The attenuator is activated. • Push [6•
LO/DX
] after pushing [O] to turn
the function OFF.
p. 9
Transmitting is impos-
sible, or high power
cannot be selected.
• Some channels are programmed for only
low power or receive by regulation.
• The output power is set to low.
• Change channels.
• Push [H/L] to select high power.
pp. 7, 8,
61
p. 9
Scan does not start. • TAG channel is not programmed. • Set the desired channels as TAG channels. p. 15
No beep sounds. • Beep tones are turned OFF.
• The squelch is open.
• Turn the beep tone ON in the Set mode.
• Set [SQL] to the threshold point.
p. 48
p. 9
Receive signal cannot
be understood.
• Optional voice scrambler is turned OFF.
• Scramble code is not set correctly.
• Turn the optional voice scrambler ON.
• Reset the scramble code.
pp. 12,
49
Distress call cannot be
transmitted.
• MMSI (DSC self ID) code is not pro-
grammed.
• Program the MMSI (DSC self ID) code. p. 16
Содержание
- Front cover 1
- Im604a 1
- Built in dsc meets itu class d requirement front and rear panel microphone connection 2
- D features 2
- Easy to make individual dsc calls using ico 2
- Explicit definitions 2
- Foreword 2
- Important 2
- Optional commandmicii hm 157 and commandmiciii hm 162 are available and up to two commandmic s can be connected 2
- Read all instruction 2
- S ma 500tr class b ais transponder 2
- Save this instruction manual 2
- Distress call procedure 3
- In case of emergency 3
- Using channel 16 distress call procedure 3
- Using digital selective calling 3
- Radio operator warning 4
- 2 3 4 5 6 7 8 9 10 11 12 5
- Table of contents 5
- Be careful 6
- Caution 6
- Caution never 6
- Precautions 6
- R warning never 6
- D priorities 7
- D privacy 7
- D radio licenses 7
- Operating rules 7
- Panel description 8
- Q 2 t y u i 1 0 o r e w 8
- Panel description 9
- Function display 10
- Panel description 10
- Panel description 11
- Panel description 12
- Speaker microphone 12
- Basic operation 13
- Channel selection 13
- Basic operation 14
- Channel selection continued 14
- D usa international and canadian channels 14
- D weather channels 14
- E rotate selector to select a channel 14
- Q push ch wx once or twice to select a weather channel 14
- Q push ch wx to select a regular channel 14
- The ic m604a has 10 weather channels these are used for monitoring broadcasts from noaa national oceanographic and atmospheric administration 14
- The ic m604a is pre programmed with 59 u s a 59 inter national and 63 canadian channels these channel groups may be set for your operating area 14
- The transceiver can automatically detect a weather alert tone on the selected weather channel while receiving on an other channel during standby on a regular channel or while scanning p 48 14
- W rotate selector to select a channel 14
- W while holding down h l push ch wx to change the channel group if necessary 14
- Basic operation 15
- Receiving and transmitting 15
- Basic operation 16
- Call channel programming 16
- Display backlight 16
- Microphone lock function 16
- Aquaquake water draining function 17
- Channel comments 17
- Basic operation 18
- D activating the scrambler function 18
- D programming scrambler codes 18
- Optional voice scrambler operation 18
- Description 19
- Dualwatch tri watch 19
- Operation 19
- Scan operation 20
- Scan types 20
- Scan operation 21
- Setting tag channels 21
- Starting a scan 21
- D programming individual id 22
- Dsc address id 22
- Dsc operation 22
- Mmsi code programming 22
- D deleting group id 23
- D deleting individual id 23
- D programming group id 23
- Dsc operation 23
- E push ent to delete the selected individual id and return to the dsc set up menu r push clr or rotate selector to select then push ent to return to the dsc menu 23
- E push ent to set the id and return to the dsc set up menu r push clr or rotate selector to select then push ent to return to the dsc menu 23
- Q enter in the dsc set up menu 23
- W rotate selector to select the desired id name to de lete e push ent to delete the selected group id and return to the dsc set up menu r push clr or rotate selector to select then push ent to return to the dsc menu 23
- W set the group id and id name by pushing the keypad keys 23
- A distress call should include the ship s position and time data if no gps is connected your position and utc uni versal time coordinated time should be manually input they are automatically included when a gps receiver nmea0183 ver 2 or 3 1 is connected 24
- Dsc operation 24
- E after editing the position data then push ent to set the position then edit the current utc time by pushing the keypad keys 24
- Manual programming is disabled when a gps receiver nmea0183 ver 2 or 3 1 is connected manually programmed position time data will be held for only 23 hours 24
- Position and time programming 24
- Q enter in the dsc menu 24
- R push ent to set the time and return to the dsc menu t push clr or rotate selector to select then push ent to return to the normal operating mode 24
- W edit your position latitude and longitude data by pushing the keypad keys 24
- Dsc operation 25
- Gps information display 25
- Position and time display 25
- D simple call 26
- Distress call 26
- Dsc operation 26
- Never use the distress call when your ship or a person is not in an emer gency a distress call can be used only when immediate help is needed 26
- D regular call 27
- Dsc operation 27
- After 2 seconds 28
- D regular call continued 28
- Dsc operation 28
- D transmitting an individual call 29
- Dsc operation 29
- Transmitting dsc calls 29
- Ceived the channel specified in step e is selected 30
- Dsc operation 30
- Or when the acknowledgement unable to comply is 30
- When the acknowledgement able to comply is re 30
- D transmitting an individual acknowledgement 31
- Dsc operation 31
- D transmitting a group call 32
- Dsc operation 32
- D transmitting an all ships call 33
- Dsc operation 33
- E rotate selector to select a desired traffi c channnel then push ent the selected channel is displayed 33
- Q enter in the dsc menu 33
- R push ent to transmit the all ships call 33
- T after the call has been transmitted the following message is displayed 33
- W rotate selector to select a desired category then push ent 33
- D transmitting a position request call 34
- Dsc operation 34
- E push ent to transmit the position request call 34
- Q enter in the dsc menu 34
- R after the position request call has been transmitted the following message is displayed 34
- Rotate selector to select the desired pre programmed individual address or then push ent 34
- T push clr to return to the previous screen before you entered the dsc menu 34
- Transmit a position request call when you want to know a specifi c ship s current position 34
- Transmitting dsc calls continued 34
- D transmitting a position report call 35
- Dsc operation 35
- Q enter in the dsc menu 35
- T push ent to transmit the position report call 35
- U push clr to return to the previous screen before you entered the dsc menu 35
- W rotate selector to select the desired pre pro grammed individual address or then push ent 35
- Y after the position report call has been transmitted the following message is displayed 35
- D transmitting a polling request call 36
- Dsc operation 36
- E push ent to transmit the polling request call r after the call has been transmitted the following message is displayed 36
- Even if clr hasn t been pushed the display automatically returns to the previous screen after 2 seconds of inactivity 36
- Push menu rotate selector then push ent 36
- Q enter in the dsc menu 36
- T push clr to return to the previous screen before enter ing dsc menu 36
- The id code can be set fi rst p 16 when is selected push the keypad keys to set the 9 digit mmsi number for the individual you wish to call 36
- Transmit a polling request call when you want to know if a specifi c vessel is within communication range 36
- Transmitting dsc calls continued 36
- W rotate selector to select the desired pre pro grammed individual address or then push ent 36
- D transmitting a polling reply call 37
- D transmitting a position reply call 37
- D transmitting a position report reply call 37
- Dsc operation 37
- D test call 38
- Dsc operation 38
- 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 39
- D transmitting a test ack call 39
- Dsc operation 39
- E push ent to transmit the test ack call 39
- Q enter in the dsc menu 39
- R after the test ack call has been transmitted the display automatically returns to the previous screen before you entered the dsc menu 39
- Transmit a test acknowledgement call when a test call is re ceived 39
- W rotate selector to select a desired individual ad dress then push ent 39
- D receiving a distress acknowledgement 40
- D receiving a distress call 40
- Dsc operation 40
- Receiving dsc calls 40
- D receiving a group call 41
- D receiving an all ships call 41
- D receiving an individual call 41
- Dsc operation 41
- Appears on the display and the lcd backlight blink 42
- D receiving a geographical area call 42
- D receiving a position report call 42
- D receiving a position request call 42
- Dsc operation 42
- Push clr to stop the beep and the backlight blinking then push ent to reply to the call push clr to ignore the call 42
- Push clr to stop the beeps and the backlight blinking then push ent to change to the channel specified by the calling station for voice communication push other key to ignore the geographical area call monitor the selected channel for an announcement from the calling station 42
- Receiving dsc calls continued 42
- When no gps receiver is connected or if there is a prob lem with the connected receiver all geographical area calls are received regardless of your position 42
- While monitoring channel 70 and a geographical area call for the area you are in is received emergency alarm or beeps sound depending on the re ceived category appears on the display and the lcd backlight blink 42
- And the backlight blinkin 43
- Appears on the display and the lcd backlight blink 43
- Appears on the display and the lcd backlight blink push clr to stop the beep and the backlight blinking then push clr again to exit the screen 43
- D receiving a polling reply call 43
- D receiving a polling request call 43
- D receiving a position reply call 43
- D receiving a position report reply call 43
- Dsc operation 43
- While monitoring channel 70 and a position report reply call is received appears on the display and the lcd backlight blink 43
- D receiving a test acknowledgement call 44
- D receiving a test call 44
- Dsc operation 44
- Push clr t 44
- Push ent to reply to the call push clr to ignore the call and then 44
- Receiving dsc calls continued 44
- Return to the previous screen before you received the test acknowledgement call 44
- Return to the previous screen before you received the test call 44
- When a test acknowledgement call is received and the lcd backlight blink the beeps sound for 2 minutes 44
- When a test call is received and the lcd backlight blink the beeps sound for 2 minutes 44
- 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 45
- Auto switch off on 45
- Auto tune 45
- By regulation after receiving a distress call the transceiver basically switches the operating channel to channel 16 how ever when this setting is set to off the function enables the transceiver to remain on the operating channel even after receiving a distress call 45
- Combined operation when receiving a dsc call 45
- D auto switch function 45
- D auto tune timer 45
- Dsc operation 45
- Off turns off the auto tune timer e push ent to set and exit the setting 45
- Q enter in the dsc set up menu 45
- This is the amount of time after receiving a distress call be fore the transceiver switches to channel 16 45
- W rotate selector to turn the auto switch on or off on the transceiver automatically switches the operat ing channel to channel 16 after receiving a dis tress call off the transceiver remains on the operating channel even after receiving a distress call default e push ent to set and exit the setting 45
- W rotate selector to turn the auto tune timer on or off on after receiving a distress call the transceiver re mains on the operating channel for 10 seconds and then automatically switches to channel 16 default 45
- D distress message 46
- D other messages 46
- Dsc operation 46
- E rotate selector to scroll the message 46
- E rotate selector to scroll the selected message 46
- Q enter in the dsc menu 46
- R push clr to exit the screen or push ce to clear the displayed message and return to the dsc menu 46
- Received messages 46
- Rotate 46
- The transceiver automatically stores up to 20 distress mes sages and 20 other messages the messages can be used as a supplement to your logbook 46
- W rotate selector to scroll to the desired message then push ent 46
- W rotate selector to select the desired message then push ent 46
- D add individual id group id 47
- D automatic acknowledgement 47
- D delete individual id group id 47
- D mmsi code check 47
- Dsc operation 47
- Dsc set mode 47
- D nmea output 48
- D offset time 48
- Dsc operation 48
- E push ent to set and return to the dsc set up menu 48
- E push ent to set and return to the dsc set up menu r push clr or rotate selector to select then push ent to return to the dsc menu 48
- Elect the nmea output function from list station all station or off 48
- Push ent 48
- Q enter in the dsc menu 48
- Q enter in the dsc set up menu 48
- R push clr or rotate selector to select then push ent to return to the dsc menu 48
- Received messages continued 48
- Select an nmea output function from list station all sta tion or off when receiving position acknowledgment the transceiver outputs it to the external equipment via the nmea connector 48
- This item sets the offset time from the utc universal time coordinated time 48
- W rotate selector 48
- W set the offset time from the utc universal time coordi nated time 48
- Intercom operation 49
- Other functions 49
- Hailer operation 50
- Other functions 50
- Automatic foghorn 51
- Other functions 51
- Other functions 52
- Rx speaker function 52
- Appears only when an optional commandmic is connected 53
- Appears only when an optional scrambler unit is installed 53
- Selectable functions may differ depending on dealer setting 53
- Set mode 53
- Set mode items 53
- Set mode programming 53
- While holding down 16 9 push power to enter the set mode 53
- A noaa broadcast station transmits a weather alert tone before important weather information when is se lected the previously selected used weather channel is checked any time during standby or while scanning when is selected the weather channels are sequentially checked during standby or while scanning the indicator blinks until the transceiver is op erated after the transceiver detects the alert 54
- D attenuation level 54
- D automatic foghorn frequency 54
- D beep tone 54
- D internal speaker 54
- D lcd contrast 54
- D weather alert 54
- Default 400 54
- Default 5 54
- Default min 54
- Default off 54
- Default on 54
- Set mode 54
- The audio frequency of the automatic foghorn can be ad justed to suit your preference while this item is selected holding down ptt sounds the foghorn experiment with the selectable frequencies until you fi nd one you like 54
- This item adjusts the contrast of the lcd in 8 steps 54
- This item sets the receive attenuation level for the attenuator function from 3 levels 54
- When an external speaker is connected and the transceiver s internal speaker is not required the internal speaker and the speaker in the microphone can be deactivated 54
- You can select silent operation by turning beep tones off or you can have confi rmation beeps sound at the push of a key by turning beep tones on 54
- Appears when a scrambler unit is installed 55
- D favorite channel 55
- D radio power 55
- D remote id 55
- D scrambler code 55
- D scrambler type 55
- Default 12 55
- Set mode 55
- When ut 98 is installed when ut 112 is installed 55
- Connections 56
- Connections and maintenance 56
- D connect to the ma 500tr 56
- Antenna 57
- Connections and maintenance 57
- Fuse replacement 57
- Supplied accessories 57
- Connections and maintenance 58
- D using the supplied mounting bracket 58
- Mounting the transceiver 58
- Connections and maintenance 59
- Mb 75 installation 59
- Connections and maintenance 60
- Ut 112 ut 98 installation 60
- Connections and maintenance 61
- Hm 157 hm 162 installation 61
- Connections and maintenance 62
- Hm 157 hm 157 62
- Hm 157 hm162 installation continued q insert the supplied cable or hm 157 without the cable into the command mic 1 or command mic 2 connector and tighten the cable nut as shown below 62
- Hm 162 62
- T install the mounting base using the supplied screws as shown below 62
- W to use the supplied cable as a wall socket perform the following steps e using the mounting base as a template carefully mark the holes where the cable and three screws will be fas tened r drill holes at these marks 62
- Connections and maintenance 63
- Hm 162 hm 157 63
- Troubleshooting 64
- Specifi cations 65
- Specifications and options 65
- Specifi cations 65
- Approved icom optional equipment is designed for optimal performance when used with an icom transceiver icom is not responsible for the destruction or damage to an icom transceiver in the event the icom transceiver is used with equipment that is not manufactured or approved by icom 66
- D dimensions 66
- Options 66
- Specifications and options 66
- Channel list 67
- 1 32 kamiminami hirano ku osaka 547 0003 japan 68
- Back cover 68
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