Thank you very much for choosing this {COM product: The most sophisticated; 430MHz ‘band ‘all mode: transceiver on: the: market today, the 1C-475H is:the result of both advanced ICON engineering and stats-fart computer Interface technology from COM such as the new CIV. System: a feature that allows for pays: and convenient computer control of your 1C:475H.
INSTALLATION LOCATIONS « XY NOT: place i excessively hot, humid, or dusty environments: » DO NOT use in direct sunlight.
@ RE: GAIN: CONTROL [RF: GIANT {p.19) “in SSB, CW: modes: ! This control varies the gain of the: RE stage when the transceiver is in overactive mode. Rotate clockwise for maximum gain. modes; i The. control makes the: variable ‘attenuation function continuously from 0 to 20dB when the transceiver sin deceive made, QCW DELAY CONTROL [DELAY] 1p.24) | This control changes the transmit to receive switching time during = CW semi: breaker: operation. Adjustment depends on the keying ° i spas used.
@MEMORY CLEAR SWITCH [MCL] {35} i GE MEMORY. CHANNEL SELECTOR CONTROL IMMEMORIAL . 330 ol 6.0 & FREQUENCY: DISPLAY METER 49 TRANSMIT INDICATOR [EMIT] = @ &) RECEIVE INDICATOR [REC] ar] 3 Hog 32 FREQUENCY DISPLAY S0 FREQUENCY. READOUT This switch leers unwanted information in any memory channel; When :pushed;: information: in: the displaced: ‘memory: channel s cleared and the memory channel reverts to blank status: This controls used for selecting memory channels.
3-3 REAR PANEL 62 DC POWER SOCKET [DC138V] (p18) Connect: the DG power cable from: an external AL Dower subprime o a1 hypervisor battery. Refer Yo SECTION 14 for information regard ng optional AL bower supplies available Fom ICON. [ANT) (p.13) Connect a: B0 impedance ‘antenna o this connector: The: connector should be matched with'a Type:N connector.
FUTZ-METER SWITCH [METER] (032} In the transmit mode, this switch selects one of three meter fun: sons. meter indicates the relative output power activated by the METER SWITCH on: the front panel. when iris et in the SYRIA] (OUT) position. Place the switch in the {SET] position 1o calibrate the front panel metier for measuring the SWR of the anterior systemic.
5-5 ACC (1) SOCKET INFORMATION \ & {Rear: pane! vise) 6.6 AQS SOCKET: INFORMATION PEA 06060 (Rear pane view) Carious: signals are available from! the ACCRA) SOCKET site as receiver output, modulator input, T/R changeover, stc. No connection GND Ground SEND The transceiver: switches to transmit mode when this terminal is grounded: patois grounded: when: the s EX MITT SWITCH s “placed in:the IN. position MOD. Connected “in the modulator. stage.
8-1 INITIAL SETTINGS Afr er: all | INSTALLATION “instructions Have ‘been followed i SECTION 4 including: connecting an: antenna system, set the cons trolls sad switches as indicated in the table below: 1:Check: the DG ‘output voltage if: using ‘o non-COM AC prows: Supply. 2] An antenna must be connected to-the ANTENNA CONNECTOR. ‘ 3} A ‘around ‘connection: mist be made’ through’ the GROUND ; TERMINAL: {11 Front panel switch and control settings POWER OFF (Out) 3 RE GAIN Max. CW @ AR Max.
4) Unjust [AE] CONTROL ) Selector: vhe METER SWITCH end “torn: the. TUNING CONTROL, 73 Sadist [RE GIANT CONTROL. e e «Tone Squelch operation {2} EM transmitting A Switch wr transmit mode. Push (FTT] o p] SWITCH Q af. o Push DEATHWATCH 4} Turn the: [AFL GAIN CONTROL fo a suitable: fastening Revel. 5 Turn the [S0L] CONTROL clockwise Until the noise is quieted.
4} Dust TRE PERT CONTROL: the “[RE CONTROLLER 'to 2 ‘suitable output ‘power o level. # SPEECH COMPRESSOR OPERATION The talk power can be concreted over long distances by using this Home L REAMER | AGn e refutation. See page 26 for firth information: OPERATION {1}: CW receiving 1) diet the switches and controls: 1) Bet the switches and controls as shown: inspection 810 21 T popover ONL 2) Push the [POWER SWITCH AN to turn ON power.
S BREAK-IN OPERATION 6-5 PACKET AND ACTOR OPERATIONS 6-6 RATTY OPERATION The: IC475H: has ‘both semi break-in. and 1l break-In. capability. This means. the transmittance switching is. performed: automatic: call: by the transceiver whenever ‘the keying starts or stops. The receive 'to i transit switching time s’ practically’ instantaneous; ‘whereas the ‘transmit o' receive’ ‘switching time may be varied ‘through adjustment to suit an individual’s keying speed.
7:1 SPEECH COMPRESSOR OPERATION | Th: Set [COMP SWITCH 1o ON position 2) :Switch 10 transmit: mode and speak o the mic. ) Adjust [COMPELLED CONTROL if needed. s 7-2 PREAMBLE SWITCH OPERATION 1) :Push {PREEMPT-SWITCH. i 2 Switch to transmits The: 1C-475H: has low distortion.: AF: speech ‘compressor circuit which: provides greater talk power by improving the intelligibility of the transmitted signal over Song distances. 11 Set the switches and controls as shown' in the table.
7.3 AGC OPERATION 74 NOISE BLANKER (NB) OPERATION 13 Push [NB) SWITCH, @ cane RS nail SUB AUDIBLE TONE ENCODER AND 1750H2 TONE CALL OPERATIONS 11} Submersible tons encoder operation {2} | 1750Hz2 Tone Call operation The “1C-A75H: has 2 fast anticlockwise release AGC: system which maintains a: pad voltage of & rectified: IF: signal from the 1F poplin Hi gr-cikouit for a brief period of time. This circuit: prevents irritating background: noise: from: being heard riding the short pauses.in speech.
7:10 BIT OPERATION 1) Push: [RET] SWITCH ON. Receive 1 433.6800MHz. Transmit i 403.6800MHz i R 4336808 5513 RITZY appears o 2¥ Rotate [CONTROLLING: Receive |1 433,6825MHz Transmit 5 $33.6800MHz Increases the: shift frequency, 58 4336828 2513 3} Toledo e BIT shift, push [BIT-CL SWITCH! Receive: |11 433.6800MHz Transmit 1 433.6800MHz. 4336800 5'2‘ The ift value resets 107007 o 4 Tutors: OFF 1he RIT, push {BRITT SWITCH.
7:11 MICROPHONE UP/DOWN This up/down: function is useful for ‘changing: the Operating fre: OPERATION quench when: using the VEQ: mode or when using the MEMORY. CHANNEL mode; Microphone UP/DOWN ON-OFF SWITCHES: «OFF: The [UPL SWITCH: and [DNI: (down) SWITCHES on the microphone’ ‘are. disabled: 1o eliminate " the ‘charioteer accidental frequent oF Memory channel changes.
-3 MEMORY. DATA TRANSFER 13 When the transceiver Is 1o VFO mode, the frequency. and modes i stored initiate memory: channel displayed are transferred. to the selected VEO, sl % © xe 2} When: the: transceiver:is: in: MEMORY :CHANNEL: nude the ‘\9 frequency and mode are transferred to the Overused immediately before transferring 10 MEMORY CHANNEL mode; VFO mode Push IMBIBE] 4330008 99 = Ash IM®VFO] MEMORY CHANNEL nicotine and RIVET 4388000 84 PROGRAMMING MEMORY Any: frequency,: operating ‘mode, sub audible |
8-7 SCANNING OPERATION w Scan function notes: SCAN SPEED SWITCH (JUSTIFYING SQUELCH CONTROL: (BI SCAN. TIMER (1) :Memory Sean 1) Program memory chemicals; 2} Stadium SOLOIST CONTROL 3} Push MEMO} SWITCH. e g.:! 5 Getty . 41 Push SCANT BITCH, s o o BY The scan’ stops: when receive signal opens Squelch; 6} Usa [SCANT SWITCH 1o manually stop e scan; The 1C-476H comes equipped with four scar functions, providing ‘tremendous:scanning versatility: 2t the Touch of just » faw switches. MEMORY.
{2): Programmed scan 1Y Sears th Sean’ lining in Numeracy Charbroils PE MG ) WOO, 43200880 P+ i we Ho @ Pe 2} Suckle the sedative mode. 3¥ Adjust [SLOT CONTROL A3 Push: {SCAN SWITCH %0 state scan. 7 of 2 Q;u]@ BY Sasquatch apes when a signal is deceived. 6] Push SCANT: SWITCH 1o cancel’ scanning. manually. {3)" Selected mode mammary scan H::Store: devised frequencies; 2) Rust MEMO} SWITCH: S b 3 Adjust [SOL) CONTROL.
9.1 ‘MAINTENANCE {1} Cleaning «+PA unit fuse If hie transceiver: becomes dusty ior dirty, wipe it clean with a dry; soft cloth, Avoid the Use of strong cleaning: dents such a5 benzine ‘or alcohol a8 they may damage the surfaces) I the fuse blows ot i ihe transceiver: stops functioning, frack down the source of the problem if possible, and replace the damaged fuse with'a new, rated fuse.
9: 2 ADJUSTMENTS adjustment’ {2} Display light dimmer adjustment (3) Beep sound level adjustment The TUNING CONTROL tension may: bé adjusted 10 the operator's preference. The screw adjustments s Located: on e bottom side of the transceiver cabinet below the TUNING CONTROL. The method for adjustment {5 as follows: 1) Rotate: the TUNING: CONTROL: continuously: and: smoothly in one direction: 25 Stadium the:brake adventurist sorrow either: CW for sitar tension, or COW for looser tension as desired.
M TRANSCEIVER DISASSEMBLY. 11 Remove. the tdp: and bottom covers. The PA UNIT.is (coated beneath the top cover. 2) Removal the PA UNIT.: ‘The MAIN and RE-YR UNITS are located beneath the bottom cover. 3} The: PLL. and -LOGIC UNITS are located underneath ‘the PA UNIT. MAIN snd REGRET UNITS SIDE Space for FL-32A CW Narrow. Filter PLL and LOGIC UNITS SIDE Span tor (TG Nice Synthesizer unit High Stability Crystal Uit L Connectors for UT-34 Tone Saualehiunit Space for UT-34.
W UT:34 TONE SQUELCH UNIT UT-36 VOICE SYNTHESIZER UNIT W FL-32A CW NARROW FILTER o Croce HIGH-STABILITY CRYSTAL UNIT The UT TONE SQUELCH UNIT ‘provides you:with interference free communication with: ‘other ‘stations: equipped “with "o “tone squelch system: o The unit should: b installed i the designated spot behind ‘the internal speaker on the PA UNIT: 1) Remove both the top and bottom hovers. 2) Remove the PA UNIT.
