Icom IC-R8500 DC 13.8 V and DC in sockets, REC Remote jack, REC OUT jack, Phones jack

Page 37

DDC 13.8 V and DC IN sockets

CONNECTOR INFORMATION 9

• DC IN

DC 13.8 V

4 1

[POWER] switch

Receiver

circuit

DC IN

Inner

Outer

Internal regulator circuit

Pin

Port name

Description

 

 

 

Inner

DC IN

Accepts connection to the AD-55A/V only

 

 

 

Outer

GND

Grounded.

 

 

 

• DC 13.8 V

Pin

Port name

 

Description

 

 

 

 

1

13.8 IN

13.8

V DC input; current consumption 2 A

 

 

 

 

2

12.5 OUT

12.5

V DC output when connecting AD-55/A/V

to [DC IN] socket. Max. 2 A

 

 

 

 

 

 

3

NC

—

 

 

 

 

4

GND

Grounded.

 

 

 

 

DREC REMOTE jack

Outer

Inner

3.5 mm (diam.) 2-conductor

DREC OUT jack

Outer

Inner

3.5 mm (diam.) 2-conductor

DPHONES jack

Outer

Inner

Middle

6 mm (diam.) 3-conductor

Pin

Port name

Description

 

 

 

 

 

• Grounded when squelch opens.

Inner

SQL

• Can be deactivated via initial set mode. (p. 31)

 

 

• Max. current: 1 A/12 V DC

 

 

 

Outer

GND

—

 

 

 

Pin

Port name

Description

 

 

 

Inner

DET

• Output detected audio output.

• 100–300 mV rms/4.7 kΩ

 

 

 

 

 

Outer

GND

Grounded.

 

 

 

Pin

Port name

Description

 

 

 

Inner,

Audio

• Outputs audio.

Middle

• Output impedance: 4–16 Ω

 

 

 

 

Outer

GND

Grounded.

 

 

 

34

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Contents IC-r8500 Explicit Definitions Accessories included with the IC-R8500 QtyTable of Contents Panel Description ➋ SLEEP/SET Switch SLEEP/SETFront panel ➎ Headphone Jack Phones7MAIN Dial 5SPEECH/LOCK Switch SPCH/LOCK@0S-METER @7SCAN Switches Scan Scan SET Auto p Skip pPrio p DLY D/S pRear panel 9RECEIVE Indicator 7ATTENUATOR IndicatorsFunction display MHz kHzConnections Mounting installationLocation Receiver standRequired connections TYPE-N Connector Installation Example Using a long wire antenna for HF bandsPL-259 Connector Installation Example Antenna connection GroundingTape recorder connections Connecting to a PCTransceive function Data demodulation terminalUsing the keypad Frequency SettingExample Setting the Frequency Using the Keypad Read me firstSelecting a tuning step Using the main dialSetting the programmable tuning step Setting the lock function coverageMode selection Initial settingsReceive Functions Squelch function Center indicatorFunctions for FM Functions for SSB/CWNoise blanker BFO adjustmentAudio peak filter Dagc functionData communications For high speed data 9600 bps reception in FM modeConnections Receiving methodMemory Channels Bank Initial Contents UsageGeneral Bank selectionUsing the keypad Using the M-CH selectorChannel selection 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 Operation ScansMemory scan Memory select scanDProgrammed scan Specifying skip channel and frequency Mode select functionPriority scan Specifying skip channelsVoice scan control function Automatic bank limit/skip functionsTurning OFF the automatic function Programming scan edge frequencies Scan speed/delay functionsScan resume condition OFF DLY ∞Scan delay Assigning a function to the DELAY/SPEED controlScan speed Operation Sleep TimerSelecting quick set mode SET ModeSelecting initial set mode Display Example Quick SET ModeQuick set mode items Initial set mode items Installed, you can select between English When the optional UT-102 Voice Synthesizer Unit isInstalled, you can select between faster or slower This item sets the data transfer rate. When AutoRS-232C socket Remote jack Connector InformationIf OUT jack AGC OUT jackREC Remote jack DC 13.8 V and DC in socketsREC OUT jack Phones jackCommand table Control CommandsData format Basic format from PC to IC-R8500‘OK’ message from IC-R8500 to PC Memory channel contents set & write 1A‘NG’ message from IC-R8500 to PC Special bank number and channels bnMaintenance ➂Replace the top cover Optional InstallationsCR-293HIGH Stability Crystal Unit TV-R7100 specifications OperationGeneral TV receiverTroubleshooting Memory Channels Scan Problem Possible Cause Solution General SpecificationsReceiver AH-7000 OptionsFL-52ACW Narrow Filter 455 kHz 500Hz/-6 dB 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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