Manual Icom IC-746PRO (page 3 of 116) (English)

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SUPPLIED ACCESSORIES

The transceiver comes with the following accessories.

Qty.

q DC power cable (OPC-025D) ............................ 1

w Hand microphone (HM-36) ................................ 1

e Spare fuses (FGB 30 A) .................................... 2

r Spare fuse (FGB 5 A) ........................................ 1

t CW keyer plug (AP-330) .................................... 1

TABLE OF CONTENTS

ert

FOREWORD ........................................ i

IMPORTANT ........................................ i

EXPLICIT DEFINITIONS ..................... i

PRECAUTIONS ................................... i

TABLE OF CONTENTS ...................... ii

QUICK REFERENCE GUIDE ........ I–X

■ Installation ....................................... I

■ Operation ....................................... III

■ Your ﬁrst contact ........................... IV

■ Ready to call CQ? ......................... IX

1 PANEL DESCRIPTION ........... 1 –12

■ Front panel ..................................... 1

■ Rear panel ...................................... 7

■ LCD display .................................... 9

■ Multi function switches .................. 11

■ Microphone (HM-36) .................... 12

2 INSTALLATION AND

CONNECTIONS ................... 13 – 17

■ Unpacking .................................... 13

■ Selecting a location ...................... 13

■ Grounding ..................................... 13

■ Antenna connection ...................... 13

■ Required connections ................... 14

■ Advanced connections ................. 15

■ Power supply connections ............ 16

■ Linear ampliﬁer connections ......... 17

■ External antenna tuner

connections .................................. 17

3 BASIC OPERATION ............. 18 – 25

■ When ﬁrst applying power

(CPU resetting) ............................. 18

■ Initial settings ................................ 18

■ Selecting an operating band ........ 19

■ Selecting VFO/memory mode ...... 20

■ VFO operation .............................. 20

■ Frequency setting ......................... 21

■ Operating mode selection ............ 23

■ Volume setting .............................. 23

■ Squelch and receive (RF)

sensitivity ...................................... 24

■ Basic transmit operation ............... 25

4 RECEIVE AND TRANSMIT .. 26 –46

■ Operating SSB ............................. 26

■ Operating CW ............................... 27

■ Electronic keyer functions ............ 29

■ Operating RTTY (FSK) ................. 35

■ RTTY functions ............................. 36

■ Operating AM ............................... 40

■ Operating FM ............................... 41

■ Repeater operation ....................... 44

5 FUNCTIONS FOR RECEIVE

........................................... 47 –54

■ Simple band scope ....................... 47

■ Preamp/Attenuator ....................... 48

■ RIT function .................................. 48

■ AGC function ................................ 49

■ IF ﬁlter selection ........................... 50

■ IF (DSP) ﬁlter shape ..................... 51

■ Noise blanker ............................... 51

■ Meter peak hold function .............. 51

■ Twin PBT operation ...................... 52

■ Noise reduction ............................ 53

■ Notch function .............................. 53

■ Dial lock function .......................... 53

■ Voice squelch control function ...... 54

6 FUNCTIONS FOR TRANSMIT

........................................... 55 –61

■ VOX function ................................ 55

■ Break-in function .......................... 56

■ ∂TX function ................................ 57

■ Monitor function ............................ 57

■ Speech compressor ..................... 58

■ Transmit ﬁlter width selection ....... 58

■ Split frequency operation .............. 59

■ Quick split function ....................... 60

■ Measuring SWR ........................... 61

7 MEMORY OPERATION ........ 62–68

■ Memory channels ......................... 62

■ Memory channel selection ............ 62

■ Programming a memory ............... 63

■ Memory clearing ........................... 63

■ Selecting the call channel ............. 64

■ Programming the call channel ...... 64

■ Frequency transferring ................. 65

■ Programming scan edges ............ 66

■ Assigning memory names ............ 67

■ Memo pads ................................... 68

8 SCANS ................................. 69 – 74

■ Scan types .................................... 69

■ Preparation ................................... 69

■ Voice squelch control function ...... 70

■ Scan set mode ............................. 70

■ Programmed scan/Fine programmed

scan .............................................. 71

■ Memory scan operation ................ 72

■ Select memory scan ..................... 72

■ ∂F scan operation and Fine ∂F scan

...................................................... 73

■ Tone scan/DTCS code scan

operation ...................................... 74

9 ANTENNA TUNER OPERATION

............................................ 75–77

■ Antenna connection and selection 75

■ Antenna tuner operation ............... 76

■ Optional external tuner operation . 77

10 DATA COMMUNICATION ..... 78 – 80

■ Connections ................................. 78

■ Packet (AFSK) operation .............. 79

■ Adjusting the TNC output level ..... 80

■ Data transmission speed .............. 80

11 SET MODE ............................ 81–89

■ General set mode ......................... 81

■ Tone control set mode .................. 89

12 OPTION INSTALLATION ..... 90 – 91

■ Opening the transceiver’s case .... 90

■ UT-102

VOICE SYNTHESIZER UNIT

... 90

■ CR-338

HIGH STABILITY CRYSTAL UNIT

..................................................... 91

13 MAINTENANCE .................... 92–94

■ Trouble shooting ........................... 92

■ Fuse replacement ......................... 93

■ Tuning dial brake adjustment ....... 93

■ Resetting the CPU ........................ 94

■ Frequency calibration (approximate)

..................................................... 94

14 CONTROL COMMAND ......... 95–99

■ Remote jack (CI-V) information .... 95

15 SPECIFICATIONS...................... 100

16 OPTIONS.................................... 101

Icom, Icom Inc. and the logo are registered trademarks of Icom Incorporated (Japan) in the United States, the United King-

dom, Germany, France, Spain, Russia and/or other countries.

2001 NEW

IC-746PRO.qxd 02.4.2 11:30 Page 3

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Icom IC-746PRO Manual

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