Icom IC-M510 Instruction Manual - Page 122

Troubleshooting

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14 TROUBLESHOOTING The transceiver does not turn ON. z There is a bad connection to the power supply. → Check the connection to the transceiver and power supply. (p.98) z The fuse is blown. → Repair the problem, and then replace the fuse. (p. 96) Little or no sound comes from the speaker. z The squelch level is set too high. → Set the squelch to the threshold point. (p. 12) z The volume level is set too low. → Set the volume level to a suitable level. (p. 12) You cannot transmit with high power. z Some channels are set for low power or receive only by regulations. → Change channels. (p. 10) z The output power is set to low. → Push HI/LO to select high power. (p.7) Scan does not start. z More than 2 favorite channels are not set. → Set at least 2 favorite channels. (p.17) No beep sounds. z The Key Beep function is OFF. → Turn ON the function. (p. 82) 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. 19) "??" blinks instead of the position and time. z Four hours have passed since you manually entered the position. z The GPS position is invalid. → Enter the position and time. (p. 20) "No Position" and "No Time" are displayed instead of the position and time. z The GPS antenna is not correctly connected. → Check the GPS antenna connection. (p. 97) → Check the cable connection to NMEA In/Out leads. (p.97) z The position and time have not been manually entered. → Enter the position and time. (p. 20) 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 to the antenna connector. (p.97) Communication cannot be established. z The antenna is defective or the coaxial cable connector is shorted or cut. → Repair the problem and then reconnect to the antenna connector. (p.97) 109

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109
14
TROUBLESHOOTING
The transceiver does not turn ON.
z
There is a bad connection to the power supply.
→
Check the connection to the transceiver and power supply. (p.98)
z
The fuse is blown.
→
Repair the problem, and then replace the fuse. (p. 96)
Little or no sound comes from the speaker.
z
The squelch level is set too high.
→
Set the squelch to the threshold point. (p. 12)
z
The volume level is set too low.
→
Set the volume level to a suitable level. (p. 12)
You cannot transmit with high power.
z
Some channels are set for low power or receive only by regulations.
→
Change channels. (p. 10)
z
The output power is set to low.
→
Push
HI/LO
to select high power. (p.7)
Scan does not start.
z
More than 2 favorite channels are not set.
→
Set at least 2 favorite channels. (p.17)
No beep sounds.
z
The Key Beep function is OFF.
→
Turn ON the function. (p. 82)
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. 19)
“??” blinks instead of the position and time.
z
Four hours have passed since you manually entered the position.
z
The GPS position is invalid.
→
Enter the position and time. (p. 20)
“No Position” and “No Time” are displayed instead of the position and time.
z
The GPS antenna is not correctly connected.
→
Check the GPS antenna connection. (p. 97)
→
Check the cable connection to NMEA In/Out leads. (p.97)
z
The position and time have not been manually entered.
→
Enter the position and time. (p. 20)
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 to the antenna connector. (p.97)
Communication cannot be established.
z
The antenna is defective or the coaxial cable connector is shorted or cut.
→
Repair the problem and then reconnect to the antenna connector. (p.97)