What happens to my Icom IC-R8500 if the selected frequency is erased?
If the selected frequency is being erased, it might be because the memory channel was changed before writing into memory. Push [MW] for 1 second to write into a memory before changing channels.
Why no sound from Icom IC-R8500 Receiver speaker?
If no sound is coming from the speaker of your Icom Receiver, there are several things you can check: * Ensure the volume level isn't too low by rotating the [AF GAIN] clockwise. * Make sure the squelch isn't closed by rotating [SQUELCH] counterclockwise. * Disconnect any external speakers or headphones that may be connected. * If you're in CW narrow mode and don't have an optional filter installed, select another mode or install the filter.
Why does my Icom IC-R8500 Receiver turn off by itself?
If your Icom Receiver turns off by itself, the sleep timer may be activated. To deactivate it, turn the power back on, then push the [SLEEP] button one or more times to turn the sleep timer function off.
Why does the main dial not function on my Icom Receiver?
If the main dial on your Icom Receiver does not function, it's possible that the lock function is activated. To deactivate it, push the [LOCK] button for 1 second.
Why is the frequency not announced when pushing [SPCH] on my Icom IC-R8500 Receiver?
The frequency is not announced when pushing [SPCH] because an optional UT-102 VOICE SYNTHESIZER UNIT is not installed. Install the UT-102.
Why doesn't auto memory write scan function on my Icom Receiver?
If auto memory write scan does not function, it is because all channels in the auto memory bank have been programmed. Erase some or all of the channels in the auto write bank.
Why can't I write a memory name on my Icom IC-R8500 Receiver?
If you cannot write a memory name on your Icom Receiver, it could be because a frequency hasn't been programmed into the memory channel yet. Push [MW] for 1 second in advance. Also, ensure you push [ENT] after setting the name and that the [MW] key is not used for name programming.
Why does scan start automatically on my Icom IC-R8500?
If scan starts automatically on your Icom Receiver, the AFC function is likely activated and an off-center signal is being received in FM or WFM mode. Push [AFC] to turn the AFC function OFF or wait until the center frequency is selected.
Why does my Icom IC-R8500 Receiver scan start automatically?
If the scan starts automatically, the AFC function is likely activated and an off-center signal is being received in FM or WFM mode. Push [AFC] to turn the AFC function OFF or wait until the center frequency is selected.
Why doesn't auto memory write scan work on my Icom IC-R8500 Receiver?
If auto memory write scan does not function on your Icom Receiver, it's likely that all channels in the auto memory bank have been programmed. Erase some or all of the channels in the auto write bank.
Critical safety warnings for receiver operation and power connection.
Procedures for removing the top and bottom covers of the receiver.
Steps for installing optional filters and synthesizer units.
Adjustments for receiver sensitivity and bias voltages across different modes.
Tuning procedure for the RF-B unit's bandpass filters.
Adjustment of noise squelch, S-meter, and center indicator functions.
General| Antenna Impedance | 50 Ω |
|---|---|
| Power Supply | 13.8 V DC ±15% |
| Mode | AM, FM, WFM, CW |
| Channels | 1000 |
| Tuning Steps | 10 kHz |
| Dynamic Range | 100 dB |
| IF Output | 10.7 MHz |
| Antenna Input | SO-239 |
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