background image

4-9

BASIC MANUAL

RECEIVING AND TRANSMITTING

4

4

Noise Reduction

SSB, CW, RTTY, AM, FM, DV, and ATV modes

The Noise Reduction function reduces random noise 

components and enhances signal audio.

1.  Push 

.

 •

Opens the FUNCTION screen.

2.  Touch [NR].

 

 

L

Touching [NR] turns this function ON or OFF.

3.  To close the FUNCTION screen, push 

.

 

D

Adjusting the Noise Reduction level

Adjust the Noise Reduction level to where noise is 

reduced but the received signal is not distorted.

1.  Push 

.

 •

Opens the FUNCTION screen.

2.  Touch [NR] for 1 second.

 •

Turns ON the Noise Reduction function and opens 

the NR menu.

3.  Rotate 

 to adjust the Noise Reduction 

level to between 0 and 15.

 

 

L

Adjust to a higher level to increase the reduction 

level, and a lower level to decrease it.

4.  To close the NR menu, push 

.

Setting the 

transmit filter width

SSB mode

The transmit filter width for the SSB and SSB-D 

modes can be set. WIDE (wide), MID (mid), or NAR 

(narrow) can be selected only in the SSB mode.

 

L

The filter settings are memorized for both the ON and 

OFF states of the Compressor function.

To change the filter width in the SSB mode:

1.  Set the operating mode to USB or LSB.

2.  Push 

.

 •

Opens the FUNCTION screen.

3.  Touch [TBW].

 

 

L

Touching [TBW] sets the filter width to WIDE, MID, or 

NAR.

The transmit filter widths are set to the following 

values by default.

 •

SSB (WIDE): 100 Hz to 2900 Hz

 •

SSB (MID):  300 Hz to 2700 Hz

 •

SSB (NAR):  500 Hz to 2500 Hz

 •

SSB-D: 

300 Hz to 2700 Hz

 

L

You can change the filter width values in the 

following settings.

 

 »

SET > Tone Control/TBW > TX > SSB > 

TBW (WIDE)

 »

SET > Tone Control/TBW > TX > SSB > 

TBW (MID)

 »

SET > Tone Control/TBW > TX > SSB > 

TBW (NAR)

 »

SET > Tone Control/TBW > TX > SSB-D > 

TBW

Displayed 

when the Noise 

Reduction 

function is ON.

NR is OFF

NR level 0

NR is ON

NR level 4

Noise components

Desired signal (CW)

Содержание IC-905

Страница 1: ...BASIC MANUAL ALL MODE TRANSCEIVER 905...

Страница 2: ...eading technology marking an epoch in amateur radio L L1200 MHz and higher bands use a down conversion IF sampling Real Time Spectrum Scope The spectrum scope is class leading in resolution sweep spee...

Страница 3: ...his device not expressly approved by Icom Inc could void your authority to operate this device under FCC regulations EXPLICIT DEFINITIONS WORD DEFINITION R RDANGER Personal death serious injury or an...

Страница 4: ...part on the work of the Independent JPEG Group and is licensed according to the open source software license VOICE CODING TECHNOLOGY The AMBE 2 voice coding Technology embodied in this product is pro...

Страница 5: ...nges by the Department may affect the accuracy and function of the GPS system The GPS receiver may not work if used in the following locations Tunnels or high rise buildings Underground parking lots U...

Страница 6: ...nger nails Otherwise you may damage the screen ABOUT THE MANUALS You can use the following manuals to understand and operate this transceiver As of February 2023 TIP You can download each manual and g...

Страница 7: ...layed on the screen The screen titles are also written in uppercase letters Example FUNCTION screen brackets Used to indicate keys Routes to the Set modes and Setting screens Routes to the Set mode Se...

Страница 8: ...ing L LYou can select the full keyboard layout in Full Keyboard Layout on the FUNCTION screen p 8 6 SET Function Full Keyboard Layout Entering and editing Enters a space Selects alphabet mode or numer...

Страница 9: ...ab 12 16 CS UR R1 R2 A to Z 0 to 9 space 8 DV DD MEMORY Your Call Sign NAME AB ab 12 16 CALL SIGN A to Z 0 to 9 space 8 Repeater List GROUP NAME NAME AB ab 12 16 SUB NAME AB ab 12 8 CALL SIGN GW CALL...

Страница 10: ...ode 3 2 Setting the frequency 3 3 D D Using the Main Dial 3 3 D D About the Tuning Step function 3 3 D D Changing the Tuning Step 3 3 D D About the 1 MHz Step Tuning function 3 3 D D About the 1 Hz st...

Страница 11: ...escription 8 1 Tone Control TBW 8 2 Function 8 2 My Station 8 6 DV DD Set 8 9 QSO RX Log 8 11 Connectors 8 14 Network 8 16 Display 8 18 Time Set 8 21 SD Card 8 21 Others 8 22 9 CLOCK 9 1 Setting the d...

Страница 12: ...for advice R RWARNING NEVER put the transceiver on an unstable place where the transceiver may suddenly move or fall This could cause an injury or damage the transceiver R RWARNING NEVER operate the t...

Страница 13: ...ver for long period of time The LCD display may have cosmetic imperfections that appear as small dark or light spots This is not a malfunction or defect but a normal characteristic of LCD displays CAU...

Страница 14: ...o adjust the RF gain sensitivity or squelch threshold levels p 3 9 7MENU KEY p 1 7 Push to open the MENU screen 8FUNCTION KEY p 1 7 Push to open the FUNCTION screen 9MINI SCOPE KEY p 5 3 Push to displ...

Страница 15: ...uto Frequency Control function ON or OFF In the DV and DD mode hold down for 1 second to display the RX History list 18SPEECH LOCK KEY Push to announce the operating frequency or mode Hold down for 1...

Страница 16: ...to prevent electrical shocks TVI BCI and other problems L LSee the Connection guide for details 9MICROPHONE PLATE p 2 1 Attach the microphone s split ring to secure the cable 10KEY JACK ELEC KEY p 13...

Страница 17: ...e A and B keys in the following item SET Function Remote MIC Key 1GPS GNSS ANTENNA CONNECTOR GPS ANT p 13 5 Attach a supplied GPS antenna 2140 430 1200 MHz ANTENNA CONNECTOR 144 430 1200 MHz ANT p 13...

Страница 18: ...ARE ICON Displayed when the Share Pictures function is ON 7GPS ICON p 7 1 Displays the status of the GPS receiver Touch the icon to display the GPS INFORMATION screen 8GPS ALARM ICON Displayed when th...

Страница 19: ...unction is ON or L is displayed when packet loss has occurred RAGC ICON p 4 4 Displayed while the Auto Gain Control AGC is ON SVFO MEMORY ICONS p 3 1 Displays VFO A or VFO B when the VFO mode is selec...

Страница 20: ...Quick Split function P AMP ATT AGC 2 NOTCH 2 NB 2 OFF FAST OFF OFF P AMP MID AN ON ATT 1 SLOW MN NR 2 SPLIT 3 VOX 2 BKIN 2 OFF OFF OFF OFF ON ON ON BKIN F BKIN COMP TONE 2 OFF OFF DTCS T ON TONE TONE...

Страница 21: ...right corner of the screen 3 Touch the function indicator or hold down for 1 second to assign the function to the control when the RIT or TX function is OFF 4 On the Multi function menus touch the it...

Страница 22: ...ne into the MIC SP jack and the MIC jack and attach the microphone s cable to the microphone plate to avoid cable breaks LConfirm that the transceiver is OFF before connecting or disconnecting optiona...

Страница 23: ...least 5 Amps A power supply with an over current protective line and low voltage fluctuation or ripple CAUTION DO NOT touch the transceiver s surface when disconnecting the cable immediately after op...

Страница 24: ...hannel mode Call channels or Main channel are used to call on an often used frequency Two Call channels are assigned on each band Selecting the VFO Memory or Call channel mode 1 Touch the VFO MEMORY i...

Страница 25: ...SB SSB data LSB DATA USB DATA CW CW reverse RTTY RTTY reverse AM AM data AM DATA FM FM data FM DATA DV DD and ATV modes Only for the 1200 MHz and higher bands 1 Touch the mode icon Example FM Opens th...

Страница 26: ...igit D DAbout the 1 Hz step Fine Tuning function You can use the minimum tuning step of 1 Hz for fine tuning Touch the Hz digits for 1 second to turn the Fine Tuning function ON or OFF D DChanging the...

Страница 27: ...tering a frequency You can set the frequency without rotating by directly entering it using the keypad Entering the operating frequency 1 Touch the MHz digits Example 145 Opens the BAND STACKING REGIS...

Страница 28: ...entered operating frequency is out of an amateur band s frequency range the transmit frequency is automatically set to the band edge frequency SPLIT or SPLIT is displayed Selecting a Memory channel by...

Страница 29: ...and frequencies The default setting may differ depending on the transceiver version Band edges are entered from the lower frequency first These settings are easy with the CS 905 p 12 1 1 Open the Band...

Страница 30: ...The selected band edge is deleted and returns to the previous screen Entering a new Band Edge You can enter new Band Edge frequencies into a blank band edge line 1 Open the User Band Edge screen 2 Tou...

Страница 31: ...r band edge frequency then touch ENT Example 439 95 Entry example 9 5 ENT The entered band edge is saved and returns to the previous screen Resetting all band edges to their defaults The steps below w...

Страница 32: ...the speaker or headphones when the received signal is weaker than the specified S meter squelch level Rotate clockwise to increase the S meter threshold level L LActivates when the squelch level is s...

Страница 33: ...ALC Displays the ALC level When the meter movement shows the input signal level exceeds the allowed level the ALC limits the RF power In such case decrease the microphone gain level COMP Displays the...

Страница 34: ...4 Touch TX PWR LIMIT Touching TX PWR LIMIT turns the function ON or OFF 5 Touch TX PWR LIMIT for 1 second 6 Rotate to set the maximum transmit power to between 0 and 100 in 1 steps 7 Push to close th...

Страница 35: ...rom becoming distorted when a very strong signal is near the frequency or when a very strong electric field such as from a broadcasting station is near your location L LEach band memorizes the Preampl...

Страница 36: ...Rotate to adjust MONITOR to the clearest audio output between 0 and 100 while speaking at your normal voice level 6 To close the Multi function menu push NOTE When using the VOX function turn OFF the...

Страница 37: ...on is ON the transmit frequency is not tuned into the incoming signal z z Push Pushing turns the AFC function ON or OFF Displayed when the AFC function is ON L LYou can also turn the AFC function ON o...

Страница 38: ...nction quickly reduces the receiver gain When that signal disappears the transceiver may not receive the weak signal because of the AGC action In that case select FAST or touch AGC for 1 second to ope...

Страница 39: ...e are displayed Hold down for 1 second to clear the PBT setting 3 Repeat steps 1 and 2 to adjust the shift value for PBT2 L LInformation To narrow the IF passband width shift PBT1 and PBT2 to the oppo...

Страница 40: ...ect the operating mode Example USB 2 Touch the filter icon for 1 second Opens the FILTER SSB screen 3 Touch SHARP or SOFT 4 To close the FILTER screen push SHARP This selection is to emphasize the pas...

Страница 41: ...ouch NOTCH L LTouching NOTCH changes between AN Auto Notch MN Manual Notch and OFF 3 To close the FUNCTION screen push D DSetting the Manual Notch filter When Manual Notch is selected adjust the filte...

Страница 42: ...e item Example 8 5 To close the NB menu push LEVEL Default 50 Adjusts the level where the Noise Blanker activates between 0 and 100 DEPTH Default 8 Adjusts the noise attenuation level to between 1 and...

Страница 43: ...g the transmit filter width SSB mode The transmit filter width for the SSB and SSB D modes can be set WIDE wide MID mid or NAR narrow can be selected only in the SSB mode L LThe filter settings are me...

Страница 44: ...the COMP meter 2 Push Opens the FUNCTION screen 3 Touch COMP for 1 second Turns ON the Speech Compressor function and opens the Multi function menu 4 While speaking into the microphone at your normal...

Страница 45: ...the operating frequency offset between transmit and receive Example 20 00 kHz D DUsing the Quick Split function The Quick Split function enables you to automatically equalize the frequency and mode o...

Страница 46: ...the transmit frequency D DSetting the CW pitch control You can set the received CW audio pitch and the CW side tone to suit your preference without changing the operating frequency 1 Select the CW mo...

Страница 47: ...BKIN Semi Break in F BKIN Full Break in or OFF no indication 3 To adjust the Break in delay time hold down for 1 second Opens the BKIN menu 4 Rotate to set to where the transceiver returns to receive...

Страница 48: ...T menu You can set the following items Side Tone Level Side Tone Level Limit Keyer Repeat Time Dot Dash Ratio Rise Time Paddle Polarity Key Type MIC Up Down Keyer Auto Tuning function CW mode You can...

Страница 49: ...frequencies in Fixed Edges on the SCOPE SET screen by touching EXPD SET for 1 second HOLD Touch Turns the Hold function ON or OFF HOLD and the Marker are displayed Freezes the current spectrum Touch f...

Страница 50: ...er away Scope Out of Range is displayed D DScroll mode Displays signals within a selected span When the operating frequency moves outside of the screen the displayed frequency range is automatically s...

Страница 51: ...eously displayed with another function displays such as the RTTY DECODE screen and the AUDIO SCOPE screen Push to turn the Mini scope screen ON or OFF L LHold down for 1 second to display the SPECTRUM...

Страница 52: ...Saving data You can save the following data onto the card The transceiver s settings Communication receive log and contents Automatic answering voice audio in the DV mode Voice audio for the Voice TX...

Страница 53: ...ves the data settings 5 To close the SD CARD screen push several times Unmounting Before you remove a card when the transceiver is ON be sure to electrically unmount it as shown below Otherwise the da...

Страница 54: ...y position or ALM GPS Alarm position screen 4 To close the GPS POSITION screen push The GPS icon stops blinking when the minimum needed number of satellites are found The GPS icon blinks when searchin...

Страница 55: ...ou can also rotate to scroll through the items 4 Touch the item to open its setting screen or to open its next tree level 5 Repeat steps 3 and 4 to open the desired item s setting screen L LTo go back...

Страница 56: ...s frequency range ON User A beep sounds when you tune out of or back into a user programmed amateur band s frequency range ON User TX Limit A beep sounds when you tune out of or back into a user progr...

Страница 57: ...timing damage occurs L LSelect OFF for no delay SEND Po Rx Tx 0 10 Delay time ms SET Function Time Out Timer Default 10min Sets the Time out Timer to OFF 3 5 10 20 or 30 minutes to prevent an accident...

Страница 58: ...Hz SET Function SPEECH SPEECH Language Default English Sets the speech language to English or Japanese Alphabet Default Normal Selects the type of phonetic announcement SPEECH Speed Default Fast Sets...

Страница 59: ...s key Slow Low speed 25 tuning steps second Fast High speed 50 tuning steps second AFC Limit Default ON Selects whether or not to limit the operating range of the Automatic Frequency Control AFC funct...

Страница 60: ...MEMO Default UP VFO kHz Default DOWN VFO kHz The function assignments for the A B and keys on the HM 243 speaker microphone can be changed L LSee page 8 8 about the functions Mode Select Default SSB C...

Страница 61: ...e Hold down for 1 second to repeatedly transmit the voice audio L LThis key function can also be used on the DR screen L LIf the voice audio is not saved in the Voice TX memory T1 T4 this function is...

Страница 62: ...econd to open the SCAN SELECT screen Function Description Temporary Skip Push to set the frequency to be skipped while scanning The selected frequencies are temporarily skipped for faster scanning SPE...

Страница 63: ...e Standby Beep function ON or OFF This function sounds a beep after a received signal disappears in the DV mode OFF Does not sound a beep after a received signal disappears ON Sounds a beep after a re...

Страница 64: ...s Latest Only Records only the last call BK Default OFF The Break in BK function enables you to break into a conversation where the two other stations are communicating with call sign squelch enabled...

Страница 65: ...d and saved in the csv format L LThis function requires an SD card User supplied OFF The RX History Log function is OFF ON The transceiver makes a DV mode s receive history log on the SD card The tran...

Страница 66: ...5 50 5 Your altitude unit meters Records to one decimal place RF Power 20 Blank TX output power level S meter Blank S0 The relative signal strength of the receive signal in 16 levels RPT Call Sign JP...

Страница 67: ...ds to one decimal place SSID A Caller s SSID if sent 0 1 to 15 A to Z D PRS Symbol Car Icon Converts to text None Code Course 123 Caller s course unit degrees Speed 23 5 Caller s speed unit km h Recor...

Страница 68: ...is set to AF OFF Open The squelch is always open regardless of the transceiver s squelch level ON The squelch opens and closes according to the transceiver s squelch level AF Beep Speech Output Defau...

Страница 69: ...t the same terminal as the terminal set by the software L LYou cannot select the terminal which is already selected in the USB SEND or USB Keying CW item SET Connectors External Keypad VOICE Default O...

Страница 70: ...ress L LYou cannot set the same address as Default Gateway Subnet Mask Valid after Restart Default 255 255 255 0 24 bit Sets the subnet mask to connect to your PC or Local Area Network LAN through you...

Страница 71: ...IP remote control SET Network Remote Settings Network User1 SET Network Remote Settings Network User2 Network User1 ID Network User2 ID Sets a user name of up to 16 characters to use when you remotel...

Страница 72: ...ion s position data is included in the signal received in the DV mode OFF No data is displayed in a dialog ON When the caller station s position data is included in the signal its data is displayed in...

Страница 73: ...lays and scrolls the call sign of the target station My Call Sign Displays and scrolls your own call sign L LWhen Your Call Sign is selected and if the call sign and name of the caller station is prog...

Страница 74: ...m item shown below 5 Touch the upper item shown below 6 Touch the left item The transceiver displays PARTIAL RESET then the partial reset is completed Display SET Display Display Language Default Engl...

Страница 75: ...file to load Save Setting Saves the setting data onto an SD card SET SD Card Import Export Import Import the Memory channel contents UR call sign repeater list or GPS memory data in the CSV format fi...

Страница 76: ...s Controller Displays the controller s MAC address MAC Address RF Unit Displays the RF unit s MAC address SERIAL NO Controller Displays the controller s serial number SERIAL NO RF Unit Displays the RF...

Страница 77: ...nal clock The IC 905 has a rechargeable Lithium battery to back up the internal clock If you connect the transceiver to a power source the battery is charged and it keeps the correct clock setting How...

Страница 78: ...rs turn OFF the transceiver After waiting a few seconds turn ON the transceiver again If the problem still exists perform a Partial reset as described to the right If the problem still exists after a...

Страница 79: ...ding the displayed message touch YES to perform the All reset L LAfter resetting the default VFO mode screen is displayed When you cannot enter the Set mode If a touch screen operation error or an une...

Страница 80: ...ed Turn OFF the Attenuator p 4 1 RF gain control is set too low RFG is displayed Set the RF gain higher until RFG just goes off p 3 9 The antenna is defective or the coaxial cable is defective Repair...

Страница 81: ...kHz Tuning Control or Select the Memory Channel function p 1 8 The display turns OFF The Screen Saver function is ON The POWER indicator blinks green Operate something push key and so on to reset the...

Страница 82: ...o charge the backup battery of the internal clock p 9 1 Even when turning ON the NTP function the clock is not automatically set The transceiver is not connected to the Internet Confirm the network se...

Страница 83: ...all channels 12 channels 2 channels in each of the 6 bands Number of repeater memories 2500 Number of GPS memories 300 Antenna impedance 50 unbalanced Antenna connector SMA 50 2 for the 2400 5600 MHz...

Страница 84: ...z and 1200 MHz bands Sensitivity for the European version SSB CW BW 2 4 kHz Filter SOFT 12 dB SINAD 144 430 1200 2400 5600 MHz band Less than 6 dB Vemf AM BW 4 kHz 60 Modulation 12 dB SINAD 144 430 12...

Страница 85: ...200 MHz band Less than 50 dBc 2400 MHz band Less than 43 dBc 5600 MHz band Less than 43 dBc Carrier suppression More than 50 dB Unwanted sideband suppression More than 50 dB Microphone impedance 2 2 k...

Страница 86: ...Approximately 50 m 164 0 feet Other CX 10G transverter About the free download software CS 905 programming software RS MS3A For Android devices terminal mode access point mode software RS MS3W For Wi...

Страница 87: ...ifier that is used Set the following item according to the connected device SET Connectors SP Jack Function D D MIC SP Connect a supplied speaker microphone s speaker plug L LYou can select the audio...

Страница 88: ...on the load side of the circuit to absorb the counter electromotive force L LWhen the diode is added a delay in relay switching may occur Be sure to check its switching action before operating L LBe s...

Страница 89: ...motely controlling using optional RS BA1 software compatible in the near future Using the External Gateway function L LYou can change the signal output type and output level SET Connectors USB AV OUT...

Страница 90: ...put pin An external unit controls the transceiver When this pin goes to ground the transceiver transmits Voltage Less than 30 V Reverse voltage 80 V Open circuit voltage 5 V Voltage TX 0 5 0 8 V Curre...

Страница 91: ...V D D 144 430 1200 MHz ANT Connect an antenna for the 144 MHz 430 MHz and 1200 MHz bands Type N Input Output impedance 50 unbalanced D D 2400 MHz ANT Connect an antenna for the 2400 MHz band Input Out...

Страница 92: ...on can be found at http www arrl org Typical amateur radio installation Exposure distance assumes that the predominant radiation pattern is forward and that radiation vertically downwards is at unity...

Страница 93: ...oard Entering and editing vii Keyboard type vii 8 6 M Memory mode 3 1 MENU screen 1 7 Meter 3 10 Microphone gain 3 9 Microphone plate 2 1 Monitor function 4 2 Multi function dial 1 8 Multi function me...

Страница 94: ...AL EXEMPLARY OR CONSEQUENTIAL DAMAGES INCLUDING BUT NOT LIMITED TO PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES LOSS OF USE DATA OR PROFITS OR BUSINESS INTERRUPTION HOWEVER CAUSED AND ON ANY THEORY OF...

Страница 95: ...on notices from the Source form of the Work excluding those notices that do not pertain to any part of the Derivative Works and d If the Work includes a NOTICE text file as part of its distribution th...

Страница 96: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan A7711D 1EX Printed in Japan 2023 Icom Inc Feb 2023 How the World Communicates...

Отзывы: