What to do if Icom IC-R8500 Receiver signal is unclear?
If the receive signal on your Icom Receiver is unclear or distorted, try the following: * Set [IF SHIFT] to the center position if it's rotated too far CCW or CW. * Adjust the [APF] control to the center position or turn it OFF if it's rotated too far CCW or CW. * Ensure you're pushing the correct mode switch.
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 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.
Why are memory channels in the ‘AUTO’ bank cleared on my Icom IC-R8500?
If memory channels in the ‘AUTO’ bank are cleared, it is because written memories condition is set as CL&START. Change the setting to START.
What to do if memory channels in another bank cannot be selected on my Icom Receiver?
If you cannot select memory channels in another bank, the bank limit function might be activated and 'BANK' is indicated. Push [BANK] to turn OFF the bank limit function or use [BANK] or [BANK] to select the bank.
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 won't any scan function on my Icom Receiver?
If no scan will function on your Icom Receiver, it might be because [SQUELCH] is open and [?] is selected. Turn [SQUELCH] CW until noise disappears.
How to select memory channels in another bank on Icom IC-R8500?
If you can't select memory channels in another bank on your Icom Receiver, the bank limit function may be activated, indicated by “BANK” on the display. Push [BANK] to turn OFF the bank limit function, or use [BANK] or [BANK] to select the bank.
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 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.
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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