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Icom - IC-746 - Transceiver
Manufacturer:
Equipment:
IC-746
Date:
1998
Category:
Group:
Sub Group:

3 Manuals

Service manual
Manual type:
Service manual
Pages:
128
Size:
48.5 MB
Language:
english
Revision:
Manual-ID:
A-5482H-S
Date:
Quality:
Scanned document, all readable.
Upload date:
Feb. 9, 2012
MD5:
e41e6604-f974-d14d-5c5c-b9e4d01dbe86
Downloads:
3006
Last month downloads:
7
User manual
Manual type:
User manual
Pages:
90
Size:
2.0 MB
Language:
english
Revision:
Manual-ID:
A-5482H-1EX
Date:
Quality:
Electronic document, no scan, very well readable.
Upload date:
Jan. 26, 2014
MD5:
b2d506dd-1547-1fb3-ccb0-60b23fd80061
Downloads:
1762
Last month downloads:
1

Information

IMPORTANT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ii PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . ii EXPLICIT DEFINITIONS . . . . . . . . . . . . . . . . . . . . . ii BUILT-IN DSP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ii TABLE OF CONTENTS . . . . . . . . . . . . . . . . . . . . . iii 1 PANEL DESCRIPTION . . . . . . . . . . . . . . . . . . 2–7 1-1 Front panel . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 1-2 Rear panel . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 1-3 Function display . . . . . . . . . . . . . . . . . . . . . . . 7 2 MENU SELECTION . . . . . . . . . . . . . . . . . . . . . 8–9 2-1 Menu set 1 flow chart . . . . . . . . . . . . . . . . . . . 8 2-2 Menu set 2 flow chart . . . . . . . . . . . . . . . . . . . 9 3 BASIC OPERATION . . . . . . . . . . . . . . . . . . 10–17 3-1 Before operating . . . . . . . . . . . . . . . . . . . . . . 10 3-2 Squelch and receive (RF) sensitivity . . . . . . 12 3-3 Selecting VFO/memory mode . . . . . . . . . . . 13 3-4 Toggling between VFO A/B and transferring contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 3-5 Setting a band and frequency . . . . . . . . . . . 14 3-6 Selecting an operating mode . . . . . . . . . . . . 17 4 USING DIFFERENT OPERATING MODES . 18–36 4-1 Operating SSB . . . . . . . . . . . . . . . . . . . . . . . 18 4-2 Operating CW . . . . . . . . . . . . . . . . . . . . . . . . 20 4-3 Operating RTTY (FSK) . . . . . . . . . . . . . . . . . 28 4-4 Operating AM . . . . . . . . . . . . . . . . . . . . . . . . 30 4-5 Operating FM . . . . . . . . . . . . . . . . . . . . . . . . 32 4-6 Repeater operation . . . . . . . . . . . . . . . . . . . 34 4-7 Packet operation . . . . . . . . . . . . . . . . . . . . . . 36 5 FUNCTIONS FOR RECEIVE . . . . . . . . . . . . 37–42 5-1 Simple band scope . . . . . . . . . . . . . . . . . . . . 37 5-2 Preamp and attenuator . . . . . . . . . . . . . . . . 38 5-3 RIT function . . . . . . . . . . . . . . . . . . . . . . . . . 38 5-4 AGC function . . . . . . . . . . . . . . . . . . . . . . . . 39 5-5 1/4 function . . . . . . . . . . . . . . . . . . . . . . . . . . 39 5-6 NB function . . . . . . . . . . . . . . . . . . . . . . . . . . 39 5-7 Noise reduction . . . . . . . . . . . . . . . . . . . . . . 40 5-8 Auto notch (ANF) function . . . . . . . . . . . . . . 40 5-9 Dial lock function . . . . . . . . . . . . . . . . . . . . . 40 5-10 Twin PBT . . . . . . . . . . . . . . . . . . . . . . . . . . 41 5-11 Selecting IF filters . . . . . . . . . . . . . . . . . . . . 42 6 FUNCTIONS FOR TRANSMIT . . . . . . . . . . . 43–48 6-1 VOX function . . . . . . . . . . . . . . . . . . . . . . . . . 43 6-2 Break-in function . . . . . . . . . . . . . . . . . . . . . 44 6-3 :TX function . . . . . . . . . . . . . . . . . . . . . . . . 45 6-4 Monitor function . . . . . . . . . . . . . . . . . . . . . . 45 6-5 Speech compressor . . . . . . . . . . . . . . . . . . . 46 6-6 Split frequency operation . . . . . . . . . . . . . . . 47 6-7 Quick split function . . . . . . . . . . . . . . . . . . . . 48 7 MEMORY CHANNELS . . . . . . . . . . . . . . . . 49–54 7-1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49 7-2 Memory channel selection . . . . . . . . . . . . . . 49 7-3 Transferring a memory to VFO . . . . . . . . . . . 50 7-4 Clearing a memory . . . . . . . . . . . . . . . . . . . . 50 7-5 Selecting the call channel . . . . . . . . . . . . . . 51 7-6 Programming a memory . . . . . . . . . . . . . . . . 51 7-7 Programming the call channel . . . . . . . . . . . 52 7-8 Programming scan edges . . . . . . . . . . . . . . 52 7-9 Assigning memory names . . . . . . . . . . . . . . 53 7-10 Memo pads . . . . . . . . . . . . . . . . . . . . . . . . 54 8 SCAN OPERATION . . . . . . . . . . . . . . . . . . . 55–58 8-1 Scan types . . . . . . . . . . . . . . . . . . . . . . . . . . 55 8-2 Programmed scan and fine programmed scan . . . . . . . . . . . . . . . . . 56 8-3 Memory scan . . . . . . . . . . . . . . . . . . . . . . . . 57 8-4 Select memory scan . . . . . . . . . . . . . . . . . . . 57 8-5 :F scan and fine :F scan . . . . . . . . . . . . . . 58 9 INTERNAL Antenna Tuner 59 9-1 Before operating . . . . . . . . . . . . . . . . . . . . . . 59 9-2 Tuner operation . . . . . . . . . . . . . . . . . . . . . . . 59 10 SET MODE . . . . . . . . . . . . . . . . . . . . . . . . . 60–64 10-1 Selecting set mode . . . . . . . . . . . . . . . . . . . 60 10-2 Set mode items . . . . . . . . . . . . . . . . . . . . . 60 11 ADJUSTMENTS . . . . . . . . . . . . . . . . . . . . . 65–66 11-1 Tuning dial brake . . . . . . . . . . . . . . . . . . . . 65 11-2 Frequency calibration . . . . . . . . . . . . . . . . . 65 11-3 Measuring SWR . . . . . . . . . . . . . . . . . . . . . 66 11-4 Adjusting the LCD . . . . . . . . . . . . . . . . . . . 66 12 SETUP AND CONNECTIONS . . . . . . . . . . 67–75 12-1 Front panel . . . . . . . . . . . . . . . . . . . . . . . . . 67 12-2 Rear panel . . . . . . . . . . . . . . . . . . . . . . . . . 68 12-3 Selecting a location . . . . . . . . . . . . . . . . . . 69 12-4 Power Supply connections . . . . . . . . . . . . . 69 12-5 Grounding . . . . . . . . . . . . . . . . . . . . . . . . . 70 12-6 Antenna 70 12-7 Data communications . . . . . . . . . . . . . . . . . 72 12-8 RTTY connections . . . . . . . . . . . . . . . . . . . 73 12-9 Remote jack . . . . . . . . . . . . . . . . . . . . . . . . 74 13 OPTIONAL INSTALLATIONS . . . . . . . . . . 76–80 13-1 Opening the transceiver’s case . . . . . . . . . 76 13-2 UT-102 VOICE SYNTHESIZER UNIT . . . . . . . . . 77 13-3 CR-282 HIGH STABILITY CRYSTAL UNIT . . . . . 77 13-4 Optional IF filters . . . . . . . . . . . . . . . . . . . . 78 13-5 Linear Amplifier connections . . . . . . . . . . . 79 13-6 External Antenna Tuner connections . . . . . . 80 14 MAINTENANCE . . . . . . . . . . . . . . . . . . . . . 81–83 14-1 Fuse replacement . . . . . . . . . . . . . . . . . . . 81 14-2 Resetting the CPU . . . . . . . . . . . . . . . . . . . 81 14-3 Troubleshooting . . . . . . . . . . . . . . . . . . . . . 82 15 SPECIFICATIONS AND OPTIONS . . . . . . 84–85 15-1 Specifications . . . . . . . . . . . . . . . . . . . . . . . 84 15-2 Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85

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User manual
Manual type:
User manual
Pages:
90
Size:
4.1 MB
Language:
russian
Revision:
Manual-ID:
A-5482H-7G
Date:
Quality:
Electronic document, no scan, very well readable.
Upload date:
Jan. 14, 2023
MD5:
ddfa411e-3184-f1ce-c335-6d69e581284b
Uploader:
R7KFO
Downloads:
371
Last month downloads:
4