Icom IC-M804 Instruction Manual - Page 80

TROUBLESHOOTING, The Key Beep function is OFF.

Get Icom IC-M804 PDF manuals and user guides View all Icom IC-M804 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 80 highlights

10 TROUBLESHOOTING The transceiver does not turn ON. zz There is a bad connection to the power supply. →→Check the connection between the transceiver and the power supply. (p. 65) zz The fuse is blown. →→Repair the problem, and then replace the fuse. (p. 70) Little or no sound comes from the speaker. zz The squelch level is set too high. →→Set the squelch (S-meter Squelch level) to the threshold point. (p. 14) zz The volume level is set too low. →→Set the volume level to a suitable level. (p. 3) You cannot transmit. zz Some channels are set for receive only by regulations. →→Change channels. (p. 9) No beep sounds. zz The Key Beep function is OFF. →→Turn ON the function. (p. 56) The Main screen is not displayed at power ON. zz The MMSI (DSC self ID) code is not set →→Set the MMSI (DSC self ID) code. (p. 8) Individual or Group ID cannot be set. zz The entered ID code is incorrect. The first digit must be set to between '1' and '9' for an Individual ID. →→Enter a correct ID code. (p. 20) "??" blinks instead of the position and time. zz Four hours have passed since the position data was manually entered. →→Re-enter the position and time. zz The GPS signal is not correctly received. →→Manually enter the position and time. (p. 22) "No Position" and "No Time" are displayed instead of the position and time. zz The GPS antenna is not correctly connected. →→Make sure the GPS antenna is located where it has a clear view to receive a signal from satellites. (p. 63) →→Check the cable connection to GPS-DATA or GPS-ANT. (pp. 63, 71) zz The position and time have not been manually entered. →→Manually enter the position and time. (p. 22) Sensitivity is too low, and only strong signals can be heard. zz The antenna is defective, or the coaxial cable connector is shorted or cut. →→Repair the problem, and then reconnect the antenna connector. (p. 62, 65) Communication cannot be established. zz The antenna is defective, or the coaxial cable connector is shorted or cut. →→Repair the problem, and then reconnect the antenna connector. (p. 62, 65) "The transceiver cannot receive or transmit. Contact your dealer" is displayed. zz The transceiver's Phase Lock Loop is unlocked. →→Contact your dealer. The transceiver is locked up and does not respond. zz A software error has occurred. →→The transceiver will automatically restart after approximately 10 seconds have passed. 75

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
75
10
TROUBLESHOOTING
The transceiver does not turn ON.
z
There is a bad connection to the power supply.
→
Check the connection between the transceiver and the power supply. (p. 65)
z
The fuse is blown.
→
Repair the problem, and then replace the fuse. (p. 70)
Little or no sound comes from the speaker.
z
The squelch level is set too high.
→
Set the squelch (S-meter Squelch level) to the threshold point. (p. 14)
z
The volume level is set too low.
→
Set the volume level to a suitable level. (p. 3)
You cannot transmit.
z
Some channels are set for receive only by regulations.
→
Change channels. (p. 9)
No beep sounds.
z
The Key Beep function is OFF.
→
Turn ON the function. (p. 56)
The Main screen is not displayed at power ON.
z
The MMSI (DSC self ID) code is not set
→
Set the MMSI (DSC self ID) code. (p. 8)
Individual or Group ID cannot be set.
z
The entered ID code is incorrect. The first digit must be set to between ‘1’ and ‘9’ for an Individual ID.
→
Enter a correct ID code. (p. 20)
“??” blinks instead of the position and time.
z
Four hours have passed since the position data was manually entered.
→
Re-enter the position and time.
z
The GPS signal is not correctly received.
→
Manually enter the position and time. (p. 22)
“No Position” and “No Time” are displayed instead of the position and time.
z
The GPS antenna is not correctly connected.
→
Make sure the GPS antenna is located where it has a clear view to receive a signal from satellites. (p. 63)
→
Check the cable connection to GPS-DATA or GPS-ANT. (pp. 63, 71)
z
The position and time have not been manually entered.
→
Manually enter the position and time. (p. 22)
Sensitivity is too low, and only strong signals can be heard.
z
The antenna is defective, or the coaxial cable connector is shorted or cut.
→
Repair the problem, and then reconnect the antenna connector. (p. 62, 65)
Communication cannot be established.
z
The antenna is defective, or the coaxial cable connector is shorted or cut.
→
Repair the problem, and then reconnect the antenna connector. (p. 62, 65)
“The transceiver cannot receive or transmit. Contact your dealer” is displayed.
z
The transceiver’s Phase Lock Loop is unlocked.
→
Contact your dealer.
The transceiver is locked up and does not respond.
z
A software error has occurred.
→
The transceiver will automatically restart after approximately 10 seconds have passed.