Icom IC-R8500 instruction manual Quick set mode items Initial set mode items

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8 SET MODE

■Quick set mode items

■Initial set mode items

 

 

 

DIMMER

 

 

This item toggles the intensity of the display back-

HIGH

LOW

lighting between high or low.

Bright backlighting

Dark backlighting.

 

(default).

 

 

 

 

BEEP

A beep sounds each time a switch is pushed for con- firmation. This function can be turned OFF for silent operation.

ON

OFF

Confirmation beeps

Confirmation beeps

ON (default).

OFF.

LOCK

This item sets the lock function to electronically lock the main dial only or both the main dial and the panel switches.

DIAL

PANEL

Only the main dial

Both the main dial and panel

can be locked (default).

switches can be locked.

AUTO TS

This item sets the auto tuning speed. The main dial normally changes the frequency [400] ⋅ [tuning step]/ revolution. When auto tuning speed is turned on this increases to [2000] ⋅ [tuning step]/revolution during quick rotation of the dial.

ON

OFF

The auto tuning speed

The auto tuning speed

function is ON (default).

function is OFF.

HF ANT

This item sets the active HF antenna connector on the rear panel. Either the 50 Ω (SO-239 coaxial) or 500 Ω (phono RCA connector) can be activated.

50 500

The SO-239 antenna con- The RCA (phono) connector nector is activated (default). is activated.

REC REMO

This item activates/deactivates the REC REMOTE

ON

OFF

jack on the front panel. When ON is selected, the

The REC REMOTE jack

The REC REMOTE jack has

[REC REMOTE] jack is at a “low” level when the

can be used (default).

no function and no relay

squelch opens via the internal relay.

 

switching sound is heard.

 

 

 

 

 

 

REC SPCH

 

 

When the optional UT-102 VOICE SYNTHESIZER is

ON

OFF

installed and scan is in use, the detected frequency

The detected frequency is

The optional voice synthe-

is announced each time scan pauses, regardless of

announced when scan

sizer activates via the

the [SPCH/LOCK] switch. This announcement can

pauses (default).

[SPCH] switch only.

be turned ON and OFF.

 

 

 

 

 

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Contents IC-r8500 Accessories included with the IC-R8500 Qty Explicit DefinitionsTable of Contents Front panel ➋ SLEEP/SET Switch SLEEP/SETPanel Description ➎ Headphone Jack Phones7MAIN Dial 5SPEECH/LOCK Switch SPCH/LOCK@0S-METER @7SCAN Switches Scan Scan SET Prio p Skip pAuto p DLY D/S pRear panel Function display 7ATTENUATOR Indicators9RECEIVE Indicator MHz kHzLocation Mounting installationConnections Receiver standRequired connections PL-259 Connector Installation Example Using a long wire antenna for HF bandsTYPE-N Connector Installation Example Antenna connection GroundingTransceive function Connecting to a PCTape recorder connections Data demodulation terminalExample Setting the Frequency Using the Keypad Frequency SettingUsing the keypad Read me firstSetting the programmable tuning step Using the main dialSelecting a tuning step Setting the lock function coverageMode selection Initial settingsReceive Functions Functions for FM Center indicatorSquelch function Functions for SSB/CWAudio peak filter BFO adjustmentNoise blanker Dagc functionConnections For high speed data 9600 bps reception in FM modeData communications Receiving methodGeneral Bank Initial Contents UsageMemory Channels Bank selectionChannel selection Using the M-CH selectorUsing the keypad Bank limit functionCopy and paste memory editing ProgrammingClearing Channel name programming Channel/bank namesBank name programming Deleting memory channels Assigning channel numbersTo rearrange bank channel assignments ➂ Rotate M-CH to select the following Adding/inserting memory channels➃ Push Bank for 1 sec. to perform the selected operation Memory scan ScansOperation Memory select scanDProgrammed scan Priority scan Mode select functionSpecifying skip channel and frequency Specifying skip channelsVoice scan control function Automatic bank limit/skip functionsTurning OFF the automatic function Scan resume condition Scan speed/delay functionsProgramming scan edge frequencies OFF DLY ∞Scan delay Assigning a function to the DELAY/SPEED controlScan speed Sleep Timer OperationSelecting initial set mode SET ModeSelecting quick set mode Display Example Quick SET ModeQuick set mode items Initial set mode items Installed, you can select between faster or slower When the optional UT-102 Voice Synthesizer Unit isInstalled, you can select between English This item sets the data transfer rate. When AutoIf OUT jack Connector InformationRS-232C socket Remote jack AGC OUT jackREC OUT jack DC 13.8 V and DC in socketsREC Remote jack Phones jackData format Control CommandsCommand table Basic format from PC to IC-R8500‘NG’ message from IC-R8500 to PC Memory channel contents set & write 1A‘OK’ message from IC-R8500 to PC Special bank number and channels bnMaintenance Optional Installations ➂Replace the top coverCR-293HIGH Stability Crystal Unit General OperationTV-R7100 specifications TV receiverTroubleshooting Memory Channels Scan Problem Possible Cause Solution General SpecificationsReceiver FL-52ACW Narrow Filter 455 kHz 500Hz/-6 dB OptionsAH-7000 AD-55/A/V AC AdapterCount on us

IC-R8500 specifications

The Icom IC-R8500 is a highly regarded general-purpose receiver that has made its mark among amateur radio enthusiasts and professionals alike. This versatile communication receiver is known for its wide frequency coverage, advanced features, and robust design, making it a valuable tool for various applications, including shortwave listening, public safety communication, and aircraft monitoring.

One of the standout features of the IC-R8500 is its extensive frequency coverage. It spans a range from 0.1 MHz to 3 GHz, allowing users to access a wide spectrum of signals. The receiver includes coverage of HF, VHF, UHF, and even microwave bands, making it suitable for listening to everything from amateur radio transmissions to satellite communications.

The receiver employs a high-performance double-conversion superheterodyne architecture, which contributes to its excellent sensitivity and selectivity. The advanced RF circuitry minimizes interference and enhances the clarity of received signals. Users can expect outstanding audio quality and a wide dynamic range, even in challenging reception conditions.

Digital Signal Processing (DSP) is another key technology incorporated into the IC-R8500. The DSP capabilities allow users to apply noise reduction and filtering techniques to improve the quality of the received audio. Features such as automatic notch filtering and IF filtering help eliminate unwanted noise, enhancing the listening experience.

The IC-R8500 is equipped with a large, easy-to-read LCD display that provides information on frequency, mode, signal strength, and other essential parameters. The user-friendly interface simplifies operation, allowing quick access to various settings and functions. Additionally, the receiver supports various modulation modes, including AM, FM, SSB, and CW, catering to different listening preferences.

For those seeking enhanced connectivity, the IC-R8500 offers multiple options, including an audio output jack, and external speaker connections. It also has a built-in memory function, allowing users to store and recall favorite frequencies easily. The receiver can be controlled via a computer interface, offering versatility for advanced users and programmers.

In summary, the Icom IC-R8500 stands out for its wide frequency range, superior sensitivity, and advanced features powered by DSP technology. Its robust construction and user-friendly design make it a favorite among communications enthusiasts seeking a reliable and versatile receiver for various applications. Whether for hobbyist listening or professional use, the IC-R8500 remains a top choice in the world of radio receivers.
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