Icom IC-718 User Manual Download | Manualshive

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INSTRUCTION MANUAL

HF ALL BAND TRANSCEIVER

i718

This device 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, including interference that may cause undesired operation.

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Summary of Contents for IC-718

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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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