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Icom IC-718 Instruction Manual

Summary of IC-718

  • Page 1

    Instruction manual hf all band transceiver i718.

  • Page 2

    I important read this instruction manual carefully before attempting to operate the transceiver. Save this instruction manual. This manual contains important safety and operating instructions for the ic-718. Explicit definitions precautions r warning high voltage! Never attach an antenna or internal...

  • Page 3: Table of Contents

    Q w e r 1 1 table of contents the transceiver comes with the following accessories. Qty. Q dc power cable ................................................... 1 w hand microphone (hm-36) ................................. 1 e fuse (fgb 20 a; for dc cable) ........................... 1 r fuse (fgb 4 a;...

  • Page 4: Front Panel

    N front panel q power switch [pwr] push momentarily to turn power on. • turn the optional dc power supply on in advance. Push for 1 sec. To turn power off. While pushing and holding [set], push [pwr] to enter the initial set mode. (p. 41) w microphone connector [mic] accepts supplied or optional mic...

  • Page 5

    3 2 panel description • push several times (or push and hold) [ √ dn]/[up ∫ ] until desired memory channel appears. • after pushing [f-inp/ent], push desired memory channel number from the keypad, then push [finp/ ent] again to select the memory channel directory. • push [ch] to exit the memory chan...

  • Page 6: Front Panel

    4 2 panel description n front panel (continued) @2 vfo/memory switch/1 [v/m•1] (pgs. 16, 35) toggles the operating mode between vfo mode or memory mode when pushed. @3 memory write switch/4 [mw•4] (p. 36) stores the displayed frequency and operating mode into the selected memory channel when pushed ...

  • Page 7: Function Display

    N function display q lock indicator (p. 19) appears when the dial lock function is in use. W receive indicator appears while receiving a signal or when the squelch is open. E tune indicator appears while the automatic tuning function is activated. R transmit indicator appears while transmitting. T f...

  • Page 8: Rear Panel

    6 2 panel description n rear panel q antenna terminal [ant] (p. 10) connects a 50 Ω antenna with a pl-259 connector and a 50 Ω coaxial cable. W dc power socket [dc 13.8v] (p. 12) accepts 13.8v dc through the supplied dc power cable. E tuner control socket [tuner] (p. 14) accepts the control cable fr...

  • Page 9

    7 2 panel description d acc socket information • acc socket • when connecting the acc conversion cable (opc-599) acc pin # name description specifications color 1 8 v regulated 8 v output. Output voltage : 8 v ±0.3 v output current : less than 10 ma brown 2 gnd connects to ground. Red 3 send input/o...

  • Page 10: Microphone (Hm-36)

    8 2 panel description n microphone (hm-36) q up/down switches [up]/[dn] change the selected readout frequency or memory channel. • continuous pushing changes the frequency or memory channel number continuously. • the [up]/[dn] switch can simulate a key paddle. Preset in the cw paddl in initial set m...

  • Page 11: Installation and Connections

    3 9 installation and connections n unpacking after unpacking, immediately report any damage to the delivering carrier or dealer. Keep the shipping cartons. For a description and a diagram of accessory equipment included with the ic-718, see ‘supplied accessories’ on p. 1 of this manual. N selecting ...

  • Page 12: Required Connections

    10 3 installation and connections n required connections mic i718 phones rf/sql af shift rit lock mode fil ts pwr tuner y z comp p.Amp up nb att set ch dn ent f-inp v/m 1 mw 4 a=b 2 m-cl 5 scn 8 anf 0 nr . A/b 3 vox 9 7 spl m v 6 microphones (p. 55) sm-20 hm-36 ground (p. 9) use the heaviest gauge w...

  • Page 13: Advanced Connections

    11 3 installation and connections n advanced connections mic i c- 718 phones rf/sql af shift rit lock mode fil ts pwr tuner y z comp p.Amp up nb att set ch dn ent f-inp v/m 1 mw 4 a=b 2 m-cl 5 scn 8 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) he...

  • Page 14: Power Supply Connections

    12 3 installation and connections n power supply connections use an optional ps-85 dc power supply w hen operating the ic-718 with ac power. Refer to the diagrams below. Caution: before connecting the dc power cable, check the following important items. Make sure: • the [power] switch is off. • outp...

  • Page 15: Linear Amplifier Connections

    13 3 installation and connections n linear amplifier connections connecting the ic-pw1 1 2 3 4 8 7 6 5 9 10 11 12 13 ant acc-1 acc remote remote input1 gnd gnd ic-pw1 ic-718 ground ac outlet (non-european versions : 100–120/220–240 v european version : 230 v) coaxial cable (supplied with the ic-pw1)...

  • Page 16: External Antenna Tuners

    Connecting the at-180 (p. 28) do not! Connect at-180 and ah-4 at the same time. Both tuners will not function correctly. Turn the ic-718’s power off when connecting the at-180, otherwise, the cpu may malfunction and the at-180 may not function properly. 14 3 installation and connections n external a...

  • Page 17: Frequency Setting

    4 15 frequency setting n when first applying power (cpu resetting) b e f o r e f i r s t a p p l y i n g p o w e r , m a k e s u r e a l l connections required for your system are complete by referring to chapter 3. Then, reset the transceiver using the following procedure. Resetting clears all prog...

  • Page 18: Vfo Description

    16 4 frequency setting n vfo description vfo is an abbreviation of variable frequency oscillator, and traditionally refers to an oscillator. The ic-718 vfo can store a frequency and an operating mode. You can call up a desired frequency to the vfo with the keypad or the memory transfer function (see...

  • Page 19: Frequency Setting

    D direct frequency entry with keypad the transceiver has a keypad for direct frequency entry as described below. Q push [f-inp/ent], then push the numeral keys on the keypad to enter the mhz digits for the desired frequency. • if a key is mistakenly pushed, push [set] (or any key except keypad) and ...

  • Page 20

    18 4 frequency setting d band selection all hf ham bands and a general coverage receiver band are included in the ic-718. Push [ ∫ up]/[ √ dn] to select the desired band. • pushing [ ∫ up]/[ √ dn] continuously scrolls through the available bands. Note: for example, if 6.10000 mhz is resistered as th...

  • Page 21: Dial Lock Function

    19 4 frequency setting 10 hz tuning 1 hz tuning momentarily 1 sec. 1 sec. 1 sec. Programmable step tuning (100 hz –100 khz) selectable for each mode. Momentarily [ts] switch flow chart n dial lock function the dial lock function prevents accidental changes caused by the tuning dial. The lock functio...

  • Page 22: Mode Selection

    5 20 n mode selection the following modes are available in the ic-718: ssb (lsb/usb), cw, cw rev (cw reverse), rtty, rtty rev (rtty reverse) and am. Push [mode] one or more times to select desired operation mode. Push [mode] for 1 sec. To toggle between usb and lsb. (ssb mode only) push [mode] for 1...

  • Page 23: Function For Receive

    21 5 receive and transmit n function for receive the if shift function electronically narrows the passband frequency of the if (intermediate frequency) and cuts out higher or lower frequency components of the if to reject interference. The function shifts the if frequency up to ±1.2 khz in ssb/cw/rt...

  • Page 24: Attenuator

    22 5 receive and transmit ï attenuator the attenuator prevents desired signals from distorting when very strong signals are near the desired frequency or when very strong electric fields, such as from broadcasting stations, are near your location. Push [att] to toggle the 20 db attenuator function o...

  • Page 25: Dsp Function

    23 5 receive and transmit ï anf (automatic notch filter) function when an optional ut-106 is installed (dsp appears in the function display), an auto notch function can be used. The function automatically attenuates more than 3 beat tones, tuning signals, etc., even if they are moving. The auto notc...

  • Page 26: Filter Selection

    24 5 receive and transmit n filter selection the filter selection switches the if passband width as shown in the table at right. The filter selection is automatically memorized in each mode. Q select the desired mode with the mode switches. W push [fil] one or more times to select the desired filter...

  • Page 27: Filter Setting

    25 5 receive and transmit n filter setting when an optional filter is installed, set the optional filters in initial set mode. Optional filters are not selected by default. (p. 47) d optional filter setting q while pushing and holding [set], push [power] to enter initial set mode. W push [up y ] or ...

  • Page 28: Meter Function

    26 5 receive and transmit ï meter function the bar meter in the function display acts as an s-meter (for relative signal strength) during receive and can be selected for one of three functions during transmit. • push [set] one or more times to select the po, alc and swr meter mode. Display indicatio...

  • Page 29: Microphone Compressor

    27 5 receive and transmit ic-718 has a built-in, low distortion mic compressor circuit. This circuit increases your average talk power in ssb mode and is especially useful for dx’ing when the receiving station is having difficulty copying your signal. Q selecting usb or lsb mode. W select the mic ga...

  • Page 30: Optional At-180

    The at-180 automatic antenna tuner matches the ic-718 to the connected antenna automatically. Once the tuner matches an antenna, the variable capacitor angles are memorized as a preset point for each frequency range (100 khz steps). Therefore, when you change the frequency range, the variable capaci...

  • Page 31: Warning: High Voltage!

    29 5 receive and transmit the ah-4 matches the ic-718 to a long wire antenna more than 7 m/23 ft long (3.5 mhz and above). • see p. 14 for connection. • see the ah-4 instr uction manual for ah-4 installation and antenna connection details. Never operate the ah-4 without an antenna wire. The tuner an...

  • Page 32: Split Frequency Operation

    30 5 receive and transmit n split frequency operation split frequency operation allows you to transmit and receive on two different frequencies. Split frequency operation uses two frequencies, one in vfo a and the other in vfo b. Following is an example of setting 7.057 mhz, cw mode in vfo a (for re...

  • Page 33: Function For Cw

    31 5 receive and transmit n function for cw ï connection for cw 1 2 3 4 8 7 6 5 9 10 11 12 13 paddle [elec key] [microphone] see p. 32 for connection details: paddle operation from front panel mic connector. Straight key microphone initial set mode setting (p. 45) 4 8 12 [acc] 1 2 3 7 6 5 9 10 11 13...

  • Page 34: Cw Pitch Control

    32 5 receive and transmit ï cw pitch control the received cw audio pitch and monitored cw audio pitch can be adjusted to suit your preferences (300 to 900 hz) with out changing the operating frequency. Q push [set] for 1 sec. To enter quick set mode. W push [ ∫ up]/[ √ dn] one or more times until “c...

  • Page 35: Function For Rtty

    33 5 receive and transmit n function for rtty ï connection for rtty(fsk) rear panel tu or tnc personal computer rear panel view use either the acc or one of the two 1 / 8 ˝ plugs. * 1 connect sql line when required. Sql* 1 af out send gnd fskk gnd af 2-conductor 1 / 8 ˝ plug [acc] [ext sp] 1 2 3 4 5...

  • Page 36: Rtty (Fsk) Operation

    34 5 receive and transmit ï rtty (fsk) operation q connect a terminal unit as at p. 34. W select rtty (or rtty-r) mode with [mode]. E select the desired fsk tone and shift frequencies as below. R set the desired frequency with the main dial. T operate the connected pc or tnc (tu). Presetting for rtt...

  • Page 37: Memory Operation

    6 memory operation 35 n memory channels the transceiver has 101 memory channels. The memory mode is very useful for quickly changing to often-used frequencies. All 101 memory channels are tuneable which means the programmed frequency can be tuned temporarily with the tuning dial, etc. In memory mode...

  • Page 38: Memory Channel Programming

    6 memory operation 36 memory channel programming can be performed either in vfo mode or in memory mode. N memory channel programming d programming in memory mode q select the desired memory channel with [up y ] or [ z dn] in memory mode. • “blank” appears if the selected memory channel is a blank ch...

  • Page 39: Frequency Transferring

    6 memory operation 37 n frequency transferring the frequency and operating mode in a memory channel can be transferred to the vfo. Frequency transferring can be performed in either vfo mode or memory mode. D transferring in vfo mode this is useful for transferring programmed contents to vfo. Q selec...

  • Page 40: Memory Clearing

    6 memory operation 38 n memory clearing any unnecessary memory channels can be cleared. The cleared memory channels become blank channels. Q select memory mode with [v/m]. W push [ch], then select the memory channel to be cleared with [up y ] or [ z dn]. E push [m-cl] for 1 sec. To clear the content...

  • Page 41: Scans

    Scans 7 39 n scan types n preparation • channels for programmed scan/auto memory write scan: program scan edge frequencies into scan edge memory channels p1 and p2. For memory scan:‑ program 2 or more memory channels except scan edge memory channels. • scan resume on/off you can select the scan to r...

  • Page 42: Programmed Scan Operation

    7 scans 40 n programmed scan operation q select vfo mode with [v/m]. W select the desired operating mode. • the operating mode can also be changed while scanning. E set [rf/sql] open or closed. • see previous page for scan condition. • if the [rf/sql] control function is set as rf control, the squel...

  • Page 43: Set Mode

    8 41 set mode n general set mode is used for programming infrequently changed values or conditions of functions. The ic-718 has 2 separate set modes: quick set mode and initial set mode . D quick set mode operation q while power is on, push [set] for 1 sec. • quick set mode is selected and one of it...

  • Page 44: Quick Set Mode Items

    42 8 set mode • rf power this item adjusts the rf output power. The rf output power can be adjusted from l, 1 to 99 and h for indication, however, it can be adjusted continuously. •the default is h (maximum power). Note that while adjusting the output power, the power meter is displayed automaticall...

  • Page 45

    8 set mode 43 • bk-in delay this item adjusts break-in delay time for cw semi break-in operation. The delay time is selectable from 2.0 to 13 (dots). The default is 7. • key speed this item adjusts the cw key speed. The key speed can be selected from 6 to 60* wpm. The default is 20 wpm. * 40, 44, 47...

  • Page 46: Initial Set Mode Items

    8 set mode 44 • mode select this item is available in all modes, and allows you to simplify operation by inhibiting the selection of unneeded operating modes during normal operation. For example if you are operating mobile and only plan on using lsb and usb modes, use “mode selection” to inhibit acc...

  • Page 47

    8 set mode 45 • meter peak hold this item selects meter peak hold function on or off. The default is on. • scan resume this item sets the scan resume function on or off. On: scan resumes 10 sec. After stopping on a signal (or 2 sec. After a signal disappears); off: scan soes not resume after stoppin...

  • Page 48

    8 set mode 46 • tuner type this item selects optional antenna tuner type.Three selections are available. • no : no optional tuner connected. • 4 : the optional ah-4 antenna tuner is connected. • 18 : the optional at-180 antenna tuner is connected the default is no. • auto tune the optional at-180 an...

  • Page 49

    8 set mode 47 • ci-v address to distinguish equipment, each ci-v transceiver has its own icom standard address in hexadecimal code. The ic-718’s address is 5e. When 2 or more ic-718s are connected to an optional ct-17 ci-v level converter , rotate the main dial to select a different address for each...

  • Page 50: Installation and Connections

    9 48 installation and connections n 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. ...

  • Page 51: Cr-338

    49 9 installation and connections the ut-102 announces the received frequency, mode, s-meter level and current time in a clear, electronically- generated voice, in english (or japanese). Push [lock] for 1 sec. To announce the frequency, etc. Q remove the bottom cover as shown above. W remove the pro...

  • Page 52: Ut-106

    50 9 installation and connections n ut-106 dsp receive unit n optional if filters the ut-106 provides af dsp functions such as noise reduction and auto notch. Q remove the bottom cover. W slide the insulating case onto the ut-106 as shown right. (fig. 1) e remove the connection cable (p2601) from j2...

  • Page 53

    51 9 installation and connections 62 at-180 internal switch description the optional at-180 has 3 operating conditions for hf band operation. Select a suitable condition according to your antenna system. Q remove the top cover of the at-180. W set the tuner switches to the desired positions accord...

  • Page 54: Maintenance

    10 52 maintenance n troubleshooting the following chart is designed to help you correct problems which are equipment malfunctions. If you are not able to locate the cause of a problem or solve it through the use of this chart, contact your nearest icom dealer or service center. Problem possible caus...

  • Page 55: Fuse Replacement

    53 10 maintenance circuitry fuse replacement the 13.8 v dc from the dc power cable is applied to all units in the ic-718 through the circuitry fuse. This fuse is installed in the main unit. Q remove the top cover as shown on p. 48 w replace the circuitry fuse as shown in the diagram at right. E repl...

  • Page 56: Specifications

    11 54 specifications d general • frequency coverage : receive 0.03–29.999999 mhz* 1 transmit 1.800– 1.999999 mhz* 2 3.500– 3.999999 mhz* 2 7.000– 7.300000 mhz 10.100–10.150000 mh 14.000–14.350000 mhz 18.068–18.168000 mhz 21.000–21.450000 mhz 24.890–24.990000 mhz 28.000–29.700000 mhz * 1 guaranteed r...

  • Page 57: Options

    At-180 hf + 50 mhz automatic antenna tuner fully automatic antenna tuner with preset memories for each 100 khz. Unique “automatic tuner on ” function is available. See p. 51 for at-180 specifications. 12 55 options ic-pw1 hf + 50 mhz 1 kw liner amplifier full-duty 1 kw linear amplifier including an ...

  • Page 58

    Ct-17 ci-v level converter for remote receiver control using a personal computer. You can change frequencies, operating mode, memory channels, etc. 56 12 options opc-599 adapter cable 13-pin, acc connector to 7-pin + 8-pin acc connector. Sp-7 external speaker compact speaker for base station operati...

  • Page 59: Control Command

    13 57 control command • ci-v connection example the transceiver can be connected through an optional ct-17 ci-v level converter to a personal computer equipped with an rs-232c port. The icom communications interface-v (ci-v) controls the following functions of the transceiver. Up to 4 icom ci-v tran...

  • Page 60

    58 13 control command • command table sub command command description — 00 send frequency data 01 send mode data — 03 read frequencies — 04 read operating mode 05 set operating frequency 00 01 a0 b0 set vfo set vfo a set vfo b vfo a=b vfo a b 07 — 0b memory clear 00 01 d0 d3 0e scan stop prog/memo...

  • Page 61: Internal View

    14 59 internal view filter unit final amplifier (2sc2094x2) pa unit caution: the transceiver has been thoroughly tested and adjusted at the factory before being shipped. The transceiver warranty does not cover any problems caused by unauthorized internal adjustment. Fuse (fgb 4 a) r 25 final id adj....

  • Page 62: Installation Notes

    15 60 installation notes for amateur base station installations, it is recommended that the forwards clearance in front of the antenna array is calculated relative to the eirp (effective isotropic radiated power). The clearance height below the antenna array can be determined in most cases from the ...

  • Page 63: Declaration

    61 15 installation notes version and frequency coverage eur (#03) tx 1.800000 3.500000 7.000000 10.100000 14.000000 18.068000 21.000000 24.890000 28.000000 – 1.999999 – 3.800000 – 7.100000 – 10.150000 – 14.350000 – 18.168000 – 21.450000 – 24.990000 – 29.700000 rx 0.500000 – 29.999999 (unit: mhz) fra...

  • Page 64

    1-1-32 kamiminami, hirano-ku, osaka 547-0003, japan a-5649d-1ex- y printed in japan © 2000–2007 icom inc. At fi it pl gb ro be fr lv pt is tr cy de lt sk li hr cz gr lu si no dk hu mt es ch ee ie nl se bg at fi it pl gb ro be fr lv pt is tr cy de lt sk li hr cz gr lu si no dk hu mt es ch ee ie nl se...