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SPECIFICATIONS AND OPTIONS

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Specifications

All stated specifications are subject to change without notice or obligation.

General

Frequency coverage

476.4250 ~ 477.4125 MHz

400.0000 ~ 520.0000 MHz (RX only)

Number of channels

Maximum 256ch/8 banks

Mode

8K50F3E

Antenna impedance

50 Ω nominal

Input impedance (Microphone)

600 Ω

Output impedance (Audio)

4 Ω

Intermediate frequency

1st: 49.95 MHz, 2nd: 450 kHz

Operating temperature range

–10°C ~ +60°C

Power supply voltage

13.8 or 27.6 V DC nominal (Negative ground)

Current drain

with HM-244

(approximate)

DC 13.8 V

RX stand-by 500 mA

RX Maximum audio 1500 mA

TX (5 W) 3000 mA

DC 27.6 V

RX stand-by 300 mA

RX Maximum audio 1000 mA

TX (5 W) 1500 mA

Dimensions (approximate)

(projections not included)

125 (W) × 28.6 (H) × 159.5 (D) mm

Weight (approximate)

535 g (with HM-244)

Transmitter

Output power

5 W/1 W (selectable)

Modulation system

Frequency modulation

Maximum frequency deviation

±2.5 kHz

Frequency error

±2.5 ppm

Spurious emissions

Less than –30 dBm

Adjacent channel power

Less than –16 dBm

Audio frequency response

+2 dB ~ –8 dB of 6 dB octave from 300 Hz ~ 2550 Hz

Audio harmonic distortion

1% typical (60% deviation)

Residual modulation

40 dB typical

Limiting characteristic of modulator

70 ~ 100% of maximum deviation

Receiver

(476.4250 ~ 477.4125 MHz)

(400.0000 ~ 520.0000 MHz)

(Except CB (476.4250 ~

477.4125 MHz))

Sensitivity (12 dB SINAD)

0.22 μV typical

0.25 μV typical

Audio output power

5 W maximum at 10%

distortion with a 4 Ω load

–

Adjacent channel selectivity

68 dB typical

–

Spurious response rejection ratio

80 dB typical

–

Intermodulation rejection ratio

72 dB typical

–

Содержание IC-455

Страница 1: ...INSTRUCTION MANUAL UHF CB TRANSCEIVER 455 ...

Страница 2: ...Thank you for choosing this Icom product This product was designed and built with Icom s state of the art technology and craftsmanship With proper care this product should provide you with years of trouble free operation Icom is not responsible for the destruction damage to or performance of any Icom or non Icom equipment if the malfunction is because of Force majeure including but not limited to ...

Страница 3: ...ibited on these channels vii The user of this UHF CB communications device shall not transmit Selcall tones for longer than 3 seconds during any 60 second period viii UHF CB repeaters extend the operational range of your radio Repeaters operate utilising two channels repeater input repeater output It is important to avoid operation on locally used repeater input channels in the channel range of 31...

Страница 4: ...n electric shock or damage the transceiver R R WARNING NEVER operate the equipment if you notice an abnormal odour sound or smoke Immediately turn OFF the power and or remove the DC power cable Contact your Icom dealer or distributor for advice R R WARNING NEVER place the transceiver where the vehicle s normal operation may be hindered or where it could cause bodily injury R R WARNING NEVER put th...

Страница 5: ... never immerse it in water The transceiver meets IP54 requirements for dust protection and splash resistance However once the transceiver has been dropped dust protection and splash resistance cannot be guaranteed due to the fact that the transceiver may be cracked or the waterproof seal damaged and so on Except for the rear panel and only when the supplied microphone is attached NEVER place the t...

Страница 6: ...nd Priority Scan 13 Dynamic Group Scan 14 Repeater Scan 15 5 TONE SQUELCH AND POCKET BEEP 16 Tone Squelch 16 Pocket Beep 17 6 SELCALL Selective Calling 18 Calling 18 Receiving 20 Quiet mode 21 Stun 21 7 OTHER FUNCTIONS 22 Smart Ring and ATS Automatic Transponder System 22 RX frequency For receive channels 23 Scrambler function 24 Auto Volume function 24 Data programming 25 All Reset 25 8 SET MODE ...

Страница 7: ...ects to the supplied microphone or the optional programming cable 2 EXTERNAL SPEAKER JACK Connects to a 4 Ω external speaker 3 DC POWER CONNECTOR Connects to a 12 or 24 V DC power source 4 GROUND TERMINAL Connects to a vehicle s ground to prevent electrical shocks and interference from other equipment occurring 5 ANTENNA CONNECTOR Connects to an antenna with a PL 259 connector ...

Страница 8: ...set or clear the selected channel as a Priority channel p 7 5 UP DOWN LEFT RIGHT KEYS Push to select an operating channel menu setting and so on Push to select an item or setting or to return to the previous screen in the menu 6 REC DATA REC PAUSE KEY p 8 Push to display the Rec Data menu Hold down for 2 seconds to start or stop recording 7 SCAN MONI KEY SCAN MONI Push to start or stop the scan p ...

Страница 9: ...crambler function is turned ON 7 TONE ICON p 16 Displays T while the Subaudible tone encoder is used Displays SQL while the Subaudible tone encoder is used on a receive channel Displays TSQL while the Tone Squelch function is turned ON 8 BELL ICON Displayed when the Pocket Beep function is turned ON p 17 Blinks when the specified Selcall or Smart Ring call is received pp 20 22 9 VOICE RECORDER ICO...

Страница 10: ...channel until CB channel 1 is selected D D Selecting a zone You can select a zone only when two or more zones are set MENU Zone 1 Push MENU The Menu screen is displayed 2 Push or to select Zone and then push or ENT The Zone screen is displayed 3 Push or to select a zone and then push ENT to set it L L Push CLEAR to return to the previous screen NOTE CB 05 RPT 05 and CB 35 channels are for only eme...

Страница 11: ...ions 1 Open the Backlight screen MENU Settings Backlight 2 Push or to select a display backlight mode and then push ENT to set it L L Push CLEAR to return to the previous screen Off The backlight is continuously OFF Auto The backlight turns ON for 5 seconds when Any key except PTT is pushed A Selcall signal is transmitted or received Auto2 The backlight turns ON for 5 seconds when Any key except P...

Страница 12: ... to receive 2 Hold down PTT to transmit 3 Release PTT to receive 2 Speak into the microphone 1 Select a channel TX RX indicator TIP To maximize the readability of your transmitted signal pause for a second after pushing PTT Hold the microphone 5 to 10 cm from your mouth and then speak at your normal voice level NOTE The transceiver has several inhibit functions that restrict transmissions under th...

Страница 13: ... seconds to set the selected channel as the Priority channel P is displayed on the operating screen D D Setting the output power level 1 Push or to select a channel 2 Open the RF Power screen MENU RF Power 3 Push or to select High or Low and then push ENT to set it L is displayed on the operating screen when low power is selected L L The transceiver automatically returns to the operating screen D ...

Страница 14: ...nsceiver has a Voice Recorder function for recording messages and saves up to 10 recorded messages in the Rec Data menu The oldest message is automatically deleted when a new message is recorded p 28 D D Recording a message 1 Hold down for 2 seconds to standby for recording when is displayed The recording starts when a signal is received blinks while recording is displayed on the operating screen ...

Страница 15: ...link receiving Channel 6 D D Accessing a repeater A repeater amplifies received signals and retransmits them on a different frequency allowing you to communicate over greater distances with improved reliability To use a repeater a repeater channel must be selected Repeater channel 1 to 8 and 41 to 48 You can search the accessible repeater in your local area using the Repeater Scan function p 15 1 ...

Страница 16: ...peatedly scans all Tag channels with the CTCSS tone frequency or DTCS code in sequence L L When the CTCSS tone frequency is set to the Tag channel in the Dynamic Group p 14 ch 20 ch 9 CTCSS CTCSS CTCSS CTCSS CTCSS CTCSS CTCSS CTCSS ch 11 ch 12 ch 13 ch 14 ch 19 ch 10 Repeater Scan Scans all Repeater channels RPT01 to RPT08 and RPT41 to RPT48 in sequence If there are no busy channels after scanning...

Страница 17: ...reen Example When CB channel 1 is set as a tag channel for Open Scan Scanning preparation The transceiver scans all Tag channels when a scan other than the Dynamic Group Scan is activated In the Dynamic Group Scan the transceiver scans only Tag channels in the zone that you select p 4 When the transceiver finds a busy channel it can be set to pause or to resume after a pause Except for the Dynamic...

Страница 18: ... the signal disappears and then resumes after 5 seconds L L Push CLEAR to return to the previous screen Open Scan The Open Scan automatically searches for transmitted signals and enables you to locate new stations for communication or listening IMPORTANT The Open Scan can transmit on a start channel or busy channel 1 Select Open Scan in the Scan Mode menu p 11 is displayed on the operating screen ...

Страница 19: ...ty channel 1 Select Group Scan or Priority Scan in the Scan Mode menu p 11 is displayed on the operating screen when a Group Scan is selected is displayed on the operating screen when a Priority Scan is selected 2 Set the Priority channel if necessary p 7 L L If the Priority channel is not set the scan start channel is monitored during a Priority Scan 3 Push SCAN to start the scan blinks when a Gr...

Страница 20: ...efore these channels cannot be scanned The transceiver must scan using this scan mode to detect a signal and start communicating on the channel The transceiver scans only Tag channels in the zone that you select p 4 CB channels 9 to 20 in the Zone 1 are preset as Tag channels for this scan mode by default 1 Select Dyn Grp Scan Dynamic Group Scan in the Scan Mode menu p 11 is displayed on the opera...

Страница 21: ...ot included because it is for only emergency use 1 Select Repeater Scan in the Scan Mode menu p 11 is displayed on the operating screen 2 Push SCAN to start the Repeater Scan blinks L L See Example for details 3 When a signal is received on a repeater channel the scan stops During the second cycle scanning 3 high beeps sound when a signal is received and 3 low beeps sound when no signal is receive...

Страница 22: ...frequency or DTCS code and then push ENT to set it When the Tone Squelch or Pocket Beep function is turned ON the selected CTCSS tone frequency or DTCS code is displayed on the operating screen L L Push CLEAR to return to the previous screen NOTE The selectable CTCSS tone frequencies and DTCS codes are listed on the next page The transceiver has 51 tone frequencies so their spacing is narrow compa...

Страница 23: ...e 251 252 255 261 263 265 266 271 274 306 311 315 325 331 332 343 346 351 356 364 365 No 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 Code 371 411 412 413 423 431 432 445 446 452 454 455 462 464 465 466 503 506 516 523 526 No 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 Code 532 546 565 606 612 624 627 631 632 654 662 664 703 712 723 731 732 734 743 754 No 85 86...

Страница 24: ... restricted to a total of 3 seconds per minute Calling D D TX code channel selection TX code is a Selcall code that you can transmit A maximum of 32 TX code channels can be entered into the transceiver using the optional CS 455 programming software TIP A TX code channel name can be assigned to all the 32 TX code channels using the CS 455 programming software The TX code channel name allows you to ...

Страница 25: ...MENU Selcall Edit Code The Code List screen is displayed 3 Push or to select a code to edit a TX code 4 Edit the TX code TIP Push and to select a number Push and to select a digit to edit 5 Repeat steps 4 to edit other digits 6 Push ENT to set it The edited code is displayed on the Code List screen NOTE The TX code s editable digits can only be set or changed using the CS 455 programming software ...

Страница 26: ... the Receiving Selcall code A maximum of 8 individual call channels can be entered into the transceiver using the CS 455 programming software You can set the transceiver s mode when receiving an individual call using the CS 455 programming software D D Recalling a memorised received ID code 1 Open the History screen MENU Selcall History 2 Push or to select a received ID code and then push ENT to s...

Страница 27: ...t password has been entered the transceiver will not prompt you to enter it again Programming and transceiver operations are disabled after a Kill ID is received By activating the Program Write mode you can use the transceiver again The internal data cannot be accessed using the Program Read mode To monitor the channel z z Hold down MONI for 2 seconds to release the mute audio is heard The TX RX i...

Страница 28: ...to the same operating channel within the communication area and send an answer back call These functions have an answer back feature and confirmation function for when a call has reached the called station even if the user is temporarily away from the transceiver Smart Ring is a manual confirmation and ATS is automatic D D Smart Ring Set the same CTCSS tone frequency to all Group transceivers and ...

Страница 29: ...he transceiver The Receive screen is displayed 2 Push or to select a receive channel 3 Select Enabled and then push ENT 4 Hold down to turn OFF the transceiver and then turn ON the transceiver again for the operating mode D D RX frequency setting 1 Push or to select a receive channel that you want to edit 2 Open the RX VFO screen MENU RX VFO 3 Edit a receive frequency L L You can enter between 400...

Страница 30: ...epending on your operating environment You can select a sensitivity and a wide or narrow volume level adjustment range of the received audio 1 Open the Sense screen MENU Settings Auto Volume Sense 2 Push or to select a sensitivity between 1 and 3 to turn ON the function and then push ENT to set it L L Higher values make this function more sensitive to the received audio L L Push CLEAR to return to...

Страница 31: ...a USB port PC IC 455 All Reset The function display may occasionally display erroneous information This may be caused externally by static electricity or by other factors If this problem occurs turn OFF the transceiver and then after a few seconds turn ON the transceiver again If the problem persists perform the following procedure L L You can also reset in the Set mode See page 29 for details IMP...

Страница 32: ...wn or sequentially scrolls up or down through the Settings screen 3 Push or to select Beep and then push ENT The Beep screen is displayed 4 Push or to select Off and then push ENT Off is set L L Push CLEAR to return to the previous screen D D Using the Set mode Follow the procedures described below to select a Set menu item Items Reference Backlight p 28 Brightness Voice Recorder Clear Rec Data p ...

Страница 33: ...an Resume option L L When the signal disappears the scan resumes after the set period of time L L Except for the Dynamic Group Scan and Repeater Scan 5sec 10sec 15sec Scan pauses for 5 10 or 15 seconds when a signal is detected and then resumes 5sec No Signal Scan pauses until the signal disappears and then resumes after 5 seconds Scan Restart You can use the Scan Restart function to start the sca...

Страница 34: ...splayed when a Selcall code is transmitted PTT Hold The PTT Hold function enables you to communicate without holding down the PTT button while speaking On Push PTT to transmit and push again to receive Off Hold down PTT to transmit and release to receive Contrast You can set the display contrast level to between 0 Minimum and 7 Maximum Backlight You can change the backlight modes for night time an...

Страница 35: ...r function ON or OFF You can also select a subcarrier using this function Select 1 2 3 or Off L L is displayed on the operating screen when the function is ON Auto Volume The Auto Volume function automatically adjusts the volume level of the received audio depending on your operating environment z z Sense Turns the Auto Volume function ON or OFF Select 1 Low 2 3 High or Off L L Higher values make ...

Страница 36: ... RCV ch While a receive only channel is selected on the operating screen Ignition Sense Turn the Ignition Sense function ON or OFF L L You must connect the ignition line to use this function p 33 On Automatically turns the transceiver and the Ignition Sense function ON or OFF Off The function is OFF Voice Changer You can select whether or not to lower or raise the voice pitch that is input from th...

Страница 37: ...lf tapping screws 5 20 mm Screws 3 6 mm Nuts M5 Spring washers M5 Flat washers M5 For the mounting brackets Microphone HM 244 Microphone hanger set Fuse FGB 5 A Connecting the microphone Connects to the supplied microphone as illustrated below L L The optional extension cable is designed to not easily come out of the transceiver Be careful when you remove it p 38 To the microphone connector ...

Страница 38: ...rom other equipment occurring Use a screw 3 12 mm not supplied 4 ANTENNA CONNECTOR Connects to an antenna with a PL 259 connector A key element in the performance of any communication system is the antenna Ask your dealer about antennas and the best place to mount them CAUTION DO NOT transmit without an antenna Connections 1 2 6 4 5 3 12 or 24 V Battery Red Black Antenna R R WARNING NEVER remove t...

Страница 39: ...V or 24 V DC power source with the supplied DC power cable Red Black 12 V or 24 V battery Supplied DC power cable Red _ Black NOTE DO NOT use the cigarette lighter socket as a power source when operating in a vehicle The plug may cause voltage drops and ignition noise may be superimposed onto the transmit or receive audio Install a rubber grommet before passing the DC power cable through a metal p...

Страница 40: ...he transceiver in a place without adequate ventilation or block any cooling vents on the bottom of the transceiver Heat dissipation may be reduced and damage the transceiver DO NOT place the transceiver where hot or cold air blows directly onto it during mobile operation NOTE DO NOT use or leave the transceiver in areas with temperatures below 10 C or above 60 C or in areas subject to direct sunli...

Страница 41: ...tion A non radial antenna should be used when using a magnetic mount Installation example Roof mount antenna Drill a hole or use a magnetic mount Gutter mount antenna Trunk mount antenna Antenna connector Use the antenna with a PL 259 connector NOTE There are many publications concerning proper antennas and their installation Check with your local dealer for more information and recommendations ...

Страница 42: ... the mounting brackets L L When using the supplied nuts approximately 5 5 6 mm d When using the supplied self tapping screws approximately 2 3 mm d 2 Attach the mounting brackets to the transceiver using the supplied screws 3 6 mm 3 Mount the mounting brackets with the transceiver securely on the flat surface using the supplied screws nuts and washers Mounting example When using self tapping screw...

Страница 43: ... mA TX 5 W 1500 mA Dimensions approximate projections not included 125 W 28 6 H 159 5 D mm Weight approximate 535 g with HM 244 Transmitter Output power 5 W 1 W selectable Modulation system Frequency modulation Maximum frequency deviation 2 5 kHz Frequency error 2 5 ppm Spurious emissions Less than 30 dBm Adjacent channel power Less than 16 dBm Audio frequency response 2 dB 8 dB of 6 dB octave fro...

Страница 44: ...ides quick and easy entry for items such as Set mode contents zone types and so on Ask your dealer for details Options Receiver CB 476 4250 477 4125 MHz RX 400 0000 520 0000 MHz Except CB 476 4250 477 4125 MHz Hum and noise 48 dB typical 45 dB typical Squelch sensitivity Threshold 0 2 μV typical Conducted spurious radiation Less than 57 dBm 9 kHz 1 0 GHz Less than 47 dBm 1 0 GHz 4 0 GHz Audio freq...

Страница 45: ...y is low and only strong signals can be heard z z The antenna feedline or the antenna connector has poor contact or is shorted Check and replace the feedline or solder the antenna connector again if necessary p 35 No beep sounds z z The Beep function is OFF Turn ON the Beep function p 27 L L You can also set the beep output level p 27 No contact possible with another station z z The other station ...

Страница 46: ...5 46 1 476 5625 47 1 476 5875 48 1 476 6125 49 476 6375 50 476 6625 51 476 6875 52 476 7125 53 476 7375 54 476 7625 55 476 7875 56 476 8125 57 476 8375 58 476 8625 59 476 8875 60 476 9125 61 7 62 7 63 7 64 477 0125 65 477 0375 66 477 0625 67 477 0875 68 477 1125 69 477 1375 70 477 1625 Channel Number Frequency MHz 71 5 477 1875 72 5 477 2125 73 5 477 2375 74 5 477 2625 75 5 477 2875 76 5 477 3125 ...

Страница 47: ... Options 38 Output power level 7 P Pocket Beep 17 Power Timer 27 Priority channel Clearing 7 Setting 7 Programming 25 PTT Hold 28 Q Quiet mode 21 R Receiving 6 Repeater Accessing 9 Operating mode 9 Reset Operating 25 Set mode 29 Roger Beep 27 RX channel setting 23 RX frequency setting 23 S Scan Dynamic Group Scan 14 Group Scan 13 Open Scan 12 Priority Scan 13 Repeater Scan 15 Scan mode 11 Tag chan...

Страница 48: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan A7643H 1AU Printed in Japan 2021 Icom Inc May 2021 ...

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