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INSTALLATION AND CONNECTIONS

■

Opening the transceiver’s
case

Follow the case and cover opening procedures shown
here when you want to install an optional unit or adjust
an internal unit, etc.

CAUTION:

DISCONNECT the DC power cable

from the IC-718 before performing any work on the
transceiver. Otherwise, there is danger of electric
shock and/or equipment damage.

Remove the 5 screws from the top of the trans-
ceiver and 4 screws from the sides, then lift up the
top cover.

Remove the 5 screws from the bottom of the trans-
ceiver, then remove the bottom cover.

■

Optional bracket and carrying handle

Mounting bracket

An optional IC-MB5

MOBILE MOUNTING BRACKET

available to install the radio under a table, on a wall, in

a vehicle, etc.

Select an area to mount the receiver keeping in mind
that the weight of the transceiver is approx. 3.80kg.

Carrying handle

An optional handle allows you to easily carry and

transport the transceiver.

Attach the MB-23

CARRYING HANDLE

with the sup-

plied rubber feet as shown.

Содержание IC-718

Страница 1: ...e complies with Part 15 of the FCC rules Operation is sub ject to the following two conditions 1 This device may not cause harmful interference and 2 this device must accept any interference received...

Страница 2: ...quids AVOID using or placing the transceiver in areas with temperatures below 10 C 14 F or above 60 C 140 F Be aware that temperatures on a vehicle s dashboard can exceed 80 C 176 F resulting in per m...

Страница 3: ...h and RF gain 20 Function for receive 21 DSP function option 23 Filter selection 24 Filter setting 25 Function for transmit 26 Split frequency operation 30 SWR 30 Function for CW 31 Function for RTTY...

Страница 4: ...ckwise to incerase the frequency or rotate the control counterclockwise to decrease the frequency appears on the display The shift frequency range is 1 2 kHz u IF SHIFT CONTROLS SHIFT Outer control p...

Страница 5: ...les the Mic compressor function ON and OFF 7 KEYPAD The keypad can be used for several functions as discribed below F INP ENT keypad then F INP ENT Direct frequency input pgs 4 7 CH F INP ENT keypad t...

Страница 6: ...keypad then F INP ENT Push CH Direct memory number selection p 35 8 SCAN SWITCH 8 SCAN 8 p 39 Push momentarily to start stop the programmed scan in VFO mode Push momentarily to start stop the memory...

Страница 7: ...tion is in use i NOISE REDUCTION INDICATOR p 23 Appears when the optional Noise Reduction func tion is in use o SIGNAL SQL RF GAIN METER Functions as an S meter while receiving Functions as a Power AL...

Страница 8: ...ion y ACCESSORY SOCKET ACC p 7 Enables connection to external equipment such as an optional AT 180 AUTOMATIC ANTENNA TUNER a TNC for data communications or a liner amplifier etc u ELECTRONIC KEYER JAC...

Страница 9: ...l voltage 4 to 0 V Input impedance More than 10 k blue 7 NC purple 8 13 8 V 13 8 V output when power is ON Output current Max 1 A gray 9 TKEY Key line for the AT 180 white 10 FSKK RTTY keying input Gr...

Страница 10: ...iew CAUTION DO NOT short pin 2 to ground as this can damage the internal 8 V regulator y GND PTT ground t PTT r Main readout squelch switch q Microphone input w 8 V DC output e Frequency up down u GND...

Страница 11: ...n could cause an explosion or electric shock Antenna connection For radio communications the antenna is of critical im portance along with output power and sensitivity Se lect antenna s such as a well...

Страница 12: ...ICROPHONES p 55 SM 20 HM 36 GROUND p 9 Use the heaviest gauge wire or strap available and make the connection as short as possible Grounding prevents electrical shocks TVI and other problems ANTENNA p...

Страница 13: ...SCN8 ANF 0 NR A B 3 VOX 9 7 SPL M V 6 MIC The AFSK modulation signal can be input from MIC p 33 HEADPHONES Front panel ANTENNA p 13 Connects a liner amprifier etc REMOTE p 57 Used for computer contro...

Страница 14: ...ck negative _ terminal CONNECTING A VEHICLE BATTERY 12 V battery Supplied DC power cable red _ black Crimp Solder Grommet Fuses NEVER connect to a 24 V battery NOTE Use terminals for the cable connect...

Страница 15: ...le supplied with the IC PW1 ACC cable supplied with the IC PW1 Remote control cable supplied with the IC PW1 To an antenna EXCITER 1 1 2 OPC 599 conversion cable option CONNECTING THE IC 4KL 1 2 3 4 8...

Страница 16: ...n the range 0 V to 4 V and the transceiver does not ac cept positive voltage Non matched ALC and RF power settings could cause a fire or ruin the linear amplifier 1 2 3 4 8 7 6 5 9 10 11 12 13 RF OUTP...

Страница 17: ...ncies when resetting is complete e All quick initial set mode settings are returned to default values p 41 Initial settings After resetting the transceiver set controls and switches as shown in the fi...

Страница 18: ...e If the frequency or operating mode is changed the VFO automatically memorizes the new frequency or new operating mode When the VFO is selected from another VFO or mem ory mode the last used frequenc...

Страница 19: ...entered for the kHz digits 17 4 FREQUENCY SETTING DUsing the tuning dial qPush UP or DN one or more times to select the desired ham band wSelect the desired operating mode with the mode switch p 20 e...

Страница 20: ...ush TS for 2 sec while the programmable tun ing step indicator appears to enter the tuning step set mode e Rotate the tuning dial to set the desired tuning step r Push TS to exit the tuning step set m...

Страница 21: ...appears while the lock function is activated D1 Hz and 10 Hz tuning steps When the programmable tuning step disappear rotating the tuning dial changes the frequency in in crements of 1 or 10 Hz q Pus...

Страница 22: ...e p 44 RF SQL control priority The RF gain is set to maximum level when the RF SQL is set as SQL control The RF Radio Frequency gain is used to adjust the receiver gain Shallow rotation moves the S me...

Страница 23: ...h controls at center position Cutting a lower passband Cutting higher passbands Interference Desired signal Passband IF shift function RIT function The RIT Receive Incremental Tuning function com pens...

Страница 24: ...et mode p 45 Initial reception of a signal results in an S meter reading of 40 dB The highest indicated bar remains displayed for 0 5 sec even when the signal strength decreases Noise blanker The nois...

Страница 25: ...he function display noise reduction function can be used The noise reduction function reduces noise compo nents and picks out desired signals which are buried in noise The received AF signals are conv...

Страница 26: ...l 2nd IF signal DET CFWS450HT 6 kHz Through AM Narrow SSB CW RTTY Normal AM Normal SSB CW RTTY Wide OPTION Name FL 52A FL 53A FL 96 FL 222 FL 257 Band width 500 Hz 6dB 250 Hz 6dB 2 8 KHz 6dB 1 8 KHz 6...

Страница 27: ...r selection on If on is selected the expanded filter selection can be used Wide narrow filter selecting r Push UP Y one or more times until WIDE or NAR ap pears on the display t Push MODE one or more...

Страница 28: ...put power qPush SET for 1 sec to select quick set mode wPush UP DN one or more times to select RF Power eRotate the main dial to select the desired output Output power is displayed in 101 steps L 1 99...

Страница 29: ...peaks above the ALC zone your transmited voice may be distorted COMP switch Microphone compressor ALC zone Adjust COMP GAIN so that the ALC meter reads within the ALC zone The VOX Voice operated Tran...

Страница 30: ...NER for 1 sec to start manual tun ing CW mode is selected a side tone is emitted and blinks then the previous mode is selected If the tuner cannot reduce the SWR to less than 1 5 1 after 20 sec of tun...

Страница 31: ...ld TUNER for 1 sec blinks and CW appears while tuning e lights constantly when tuning is complete When the connected wire cannot be tuned the goes out the AH 4 is bypassed and the antenna wire is conn...

Страница 32: ...ration is now set for receive 7 057 MHz CW and transmit 7 025 MHz CW To change the receive frequency rotate the main dial to change the transmit frequency rotate the main dial during transmit mode To...

Страница 33: ...ight key as above wSelect CW or CW REV mode with MODE eSet CW break in operation as semi break in full break in or OFF See p 42 Push SET for 1 sec to enter quick set mode Push UP DN one or more times...

Страница 34: ...nd holding SET push POWER to enter initial set mode ePush UP DN one or more times until CW PADDL appears then rotate the main dial to select the paddle type When ud is selected the up down switches on...

Страница 35: ...out SEND GND FSKK GND AF 2 conductor 1 8 plug ACC EXT SP 1 2 3 4 5 6 7 8 9 10 11 12 13 Connection for AFSK To a TU or TNC and personal computer Use either the ACC or microphone connector SQL 1 AF out...

Страница 36: ...re occasionally garbled when the receive signal is reversed between MARK and SPACE This reversal can be caused by incorrect TNC connections settings commands etc To receive a reversed RTTY signal corr...

Страница 37: ...ode in each memory channel as scan edges for programmed scan Yes Yes No DUsing the UPY or ZDN keys q Push V M to select memory mode MEMO appears w Push CH to enter memory CH select mode MEMO blinks e...

Страница 38: ...nnel Preamp setting attenuator on off and AGC setting can also be programmed into a memory channel EXAMPLE Programming 21 280 MHz CW into memory channel 18 DProgramming in VFO mode q Set the desired f...

Страница 39: ...VFO mode with V M w Push CH then select the memory channel to be transferred with UPY or ZDN BLANK appears if the selected memory channel is a blank channel e Push M V for 1 sec to transfer the freque...

Страница 40: ...hanged the frequency or operat ing mode in the selected memory channel Displayed frequency and mode are transferred Programmed frequency and mode in the mem ory channel are not transferred and they re...

Страница 41: ...CAN Repeatedly scans between two scan edge frequencies scan edge memory channels P1 and P2 This scan operates in VFO mode Scan Scan edge P1 or P2 Scan edge P2 or P1 Jump This scan operates in memory m...

Страница 42: ...scan push SCAN If the same frequencies are programmed into the scan edge memory channel P1 and P2 pro grammed scan does not start Memory scan operation q Select memory mode with V M w Select the desi...

Страница 43: ...ick set mode push SET momentarily DInitial set mode operation q Push POWER for 1 sec to turn power OFF w While pushing and holding SET push POWER to turn power ON Initial set mode is selected and one...

Страница 44: ...e VOX voice activated transmit function The default is 50 Anti VOX level This item adjusts the ANTI VOX gain for the VOX voice ac tivated transmit The default is 50 CW pitch This item adjusts CW pitch...

Страница 45: ...57 59 can not be selected Key ratio This item sets the CW key ratio or weight The ratio can be selected from 2 8 to 4 5 The default is 30 3 0 RTTY shift This item adjusts RTTY shift There are 4 selec...

Страница 46: ...layed Then rotate the main dial to set on or off RF SQL VR The RF SQL control can be set as the RF squelch control or automatic acts as squelch in AM modes as RF in SSB CW RTTY modes or the squelch co...

Страница 47: ...hen listening to regular AM broadcasts as it may degrade the receive audio The default is on Auto TS This item sets auto tuning speed The tuning dial normally changes the frequency 2 5 KHz revolution...

Страница 48: ...TENNA TUNER is connected tuning can be started automatically at the moment the PTT is pushed The default is oF OFF Speech language When an optional UT 102 VOICE SYNTHESIZER UNIT is in stalled you can...

Страница 49: ...lt is on CI V 731 mode When connecting the IC 718 to the IC 735 for transceive operation you must change the operating frequency data to 4 bytes This item MUST be set to on when operating transceiver...

Страница 50: ...he trans ceiver and 4 screws from the sides then lift up the top cover w Remove the 5 screws from the bottom of the trans ceiver then remove the bottom cover Optional bracket and carrying handle DMoun...

Страница 51: ...q Remove the bottom cover as shown in the diagram before w Disconnect W2 from J4401 MAIN unit and W3 from J4201 MAIN unit e Remove 9 screws from the PLL unit disconnect P4 from J201 MAIN unit and P2 f...

Страница 52: ...6 J 2602 J 2603 P 2601 insulating case flat cable MAIN unit Turn the unit over Several IF filters are available for the IC 718 You can install 1 filter for 455 KHz IF Choose the appropriate filter for...

Страница 53: ...IPTION 8 V Regulated 8 V output 10 mA max GND Connects to ground SEND Input output pin Goes to ground when transmitting 20 mA max When grounded transmits BAND Band voltage output Varies with amateur b...

Страница 54: ...ush TUNER for 2 sec to manually tune the antenna Push ATT to select ATT OFF p 3 p 3 Receive audio is distorted The operating mode is not selected correctly IF SHIFT function is activated Noise blanker...

Страница 55: ...ON DISCONNECT the DC power cable from the transceiver when changing a fuse The IC 718 has 2 types of fuses installed for trans ceiver protection DC power cable fuses FGB 20 A Circuitry fuse FGB 4 A DC...

Страница 56: ...nector 13 pin REMOTE connector 2 conductor 3 5 d mm 1 8 DTransmitter Output power SSB CW RTTY 2 100 W AM 2 40 W Modulation system SSB Balanced modulation AM Low level modulation Spurious emissions Les...

Страница 57: ...audio filters headphone jack can connect to 2 transceivers Input impedance 8 Max imput power 5 W HM 36 HAND MICROPHONE Hand microphone equipped with UP DOWN switches Same as supplied SM 8 DESKTOP MICR...

Страница 58: ...455 KHz FILTERS FL 52A 500 Hz 6dB CW RTTY narrow FL 53A 250 Hz 6dB CW narrow FL 96 2 8 KHz 6dB SSB wide FL 222 1 8 KHz 6dB SSB narrow FL 257 3 3 KHz 6dB SSB wide UT 106 DSP RECEIVE UNIT Provides AF DS...

Страница 59: ...lt address Controller s default address Command number see table at right Sub command number see table at right BCD code data for frequency or memory number entry End of message code fixed OK MESSAGE...

Страница 60: ...01 D0 D3 0E Scan stop Prog Memo Scan Start Resume OFF Resume ON 0F SPLIT OFF SPLIT ON 01 02 03 06 09 0A 0B 0C 0F 10 Set TS 15 02 Read Upper Lower frequencies 06 Set mode 08 Set Memory Set Memory CH 0...

Страница 61: ...ed The transceiver warranty does not cover any problems caused by unauthorized internal adjustment Fuse FGB 4 A R 25 Final ID adj R 24 Drive ID adj R 21 PLL unit MAIN unit Carrier suppression adj R 23...

Страница 62: ...Count on us 6 9 16 Kamihigashi Hirano ku Osaka 547 0002 Japan A 5649D 1EX w Printed in Japan 2000 Icom Inc...

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