Icom M220 Instruction Manual - Page 59

Troubleshooting

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11 TROUBLESHOOTING The transceiver does not turn ON. zz Bad connection to the power supply. →→Check the connection to the transceiver and power supply. (p. 43) zz The fuse is blown. 1 →→Repair the problem, and then replace the fuse. (p. 45) 2 Little or no sound comes from the speaker. zz Squelch level is set too high. 3 →→Set the squelch to the threshold point. (p. 9) zz Volume level is set too low. 4 →→Set the volume level to a suitable level. (p. 9) 5 You cannot transmit with high power. zz Some channels are set for low power or receive only by regulations. 6 →→Change channels. (p. 7) zz The output power is set to low. 7 →→Push HI/LO to select high power. (p. 5) Scan does not start. 8 zz More than 2 favorite channels are not set. →→Set at least 2 favorite channels. (p. 13) 9 No beep sounds. 10 zz The Key Beep function is OFF. →→Turn ON the function. (p. 38) 11 Individual or Group ID cannot be set. 12 zz The entered ID code is incorrect. The first digit must be set to between '1' and '9' for an Individual ID. 13 →→Enter a correct ID code. (p. 15) 14 "??" blinks instead of the position and time. zz 23.5 hours have passed since you manually entered the position. 15 zz The GPS position is invalid. →→Enter the position and time. (p. 16) 16 "NO POS" and "NO TIME" are displayed instead of the position and time. zz The GPS signal is not correctly received. 17 →→Check the transceiver is located where it has a clear view to receive signal from satellites. (p. 46) 18 →→Check the cable connection to NMEA In/Out leads. (p. 44) zz The position and time have not been manually entered. →→Enter the position and time. (p. 16) 49

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11
TROUBLESHOOTING
The transceiver does not turn ON.
z
Bad connection to the power supply.
→
Check the connection to the transceiver and power supply.
(p. 43)
z
The fuse is blown.
→
Repair the problem, and then replace the fuse. (p. 45)
Little or no sound comes from the speaker.
z
Squelch level is set too high.
→
Set the squelch to the threshold point. (p. 9)
z
Volume level is set too low.
→
Set the volume level to a suitable level. (p. 9)
You cannot transmit with high power.
z
Some channels are set for low power or receive only by regulations.
→
Change channels. (p. 7)
z
The output power is set to low.
→
Push
HI/LO
to select high power. (p. 5)
Scan does not start.
z
More than 2 favorite channels are not set.
→
Set at least 2 favorite channels. (p. 13)
No beep sounds.
z
The Key Beep function is OFF.
→
Turn ON the function. (p. 38)
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. 15)
“??” blinks instead of the position and time.
z
23.5 hours have passed since you manually entered the position.
z
The GPS position is invalid.
→
Enter the position and time. (p. 16)
“NO POS” and “NO TIME” are displayed instead of the position and time.
z
The GPS signal is not correctly received.
→
Check the transceiver is located where it has a clear view to receive signal from
satellites. (p. 46)
→
Check the cable connection to NMEA In/Out leads. (p. 44)
z
The position and time have not been manually entered.
→
Enter the position and time. (p. 16)