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Icom IC-746 Инструкция по эксплуатации онлайн

INSTRUCTION MANUAL

VHF/HF ALL MODE TRANSCEIVER

i746

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.

Содержание

Instruction manual 1
Vhf hf all mode transceiver 1
Built in dsp 2
Explicit definitions 2
Important 2
Precautions 2
R warning 2
Table of contents 3
1 front panel 4
Panel description 4
2 rear panel 8
3 function display 9
M1 agc dup cmp tcn scp 9
Menu selection 10
Menu set 1 ﬂow chart 10
Beep level set 11
Edt abc del spc 11
Lcd contrast 50 11
M2 scn mem lcd set 11
Mem 14 000 usb edt sel 11
Menu set 2 ﬂow chart 11
Scan speed high 11
Scn 10k f mem f sel spn set 11
Scn 10k f pro f fin spn set 11
Basic operation 12
Before operating 12
I applying power 13
M1 agc dup cmp tcn scp 13
Ç adjusting volume 13
Squelch and receive rf sensitivity 14
Agc amp p 15
Selecting vfo memory mode 15
Toggling between vfo a b and transferring contents 15
5 setting a band and frequency 16
Å setting an operating band 16
I setting a frequency with the tuning dial 17
Agc dup cmp tcn scp 18
Basic operation 18
I 1 hz tuning for critical tuning a 1 hz tuning step can be selected 18
I toggling the ts function on and off the tuning step function can be turned on and off when the ts function is on default rotating the tun ing dial changes the frequency in the set tuning steps 18
I tuning step program mode when the tuning step function is on tuning step pro gram mode can be selected this mode is used to change the set tuning steps 18
Khz ssb ts 18
M1 agc dup cmp tcn scp 18
Push ts again to exit tuning step program mode 18
Push ts again to turn the tuning step function off 18
Push ts for 2 sec 18
Push ts for 2 sec again while the tuning step function is off to turn the 1 hz tuning step off 18
Push ts to turn the tuning step function on if nec essary 18
Rotate the tuning dial to change the frequency ac cording to the set tuning step 18
Rotate the tuning dial to change the frequency in 1 hz steps 18
Rotate the tuning dial to select the desired tuning step 18
Ssb cw rtty 10 hz am 1 khz fm 10 khz 18
The tuning step defaults are 18
While the tuning step function is off z does not 18
While the tuning step function is on z appears push ts for 2 sec to enter tuning step program mode 18
Selecting an operating mode 19
Ç setting a frequency via the keypad 19
1 operating ssb 20
Using different operating modes 20
Å receiving 20
I transmitting 21
Ssb tx tone 21
2 operating cw 22
Å receiving 22
I transmitting 24
1 memory keyer settings menu 25
Cq test cq test 25
Edt m1 del spc 25
I in cw mode 25
M1 agc dup 1 4 key scp 25
M1 m2 m3 m4 1 25
Normal number style 001 25
Push cw rtty to select cw mode 25
Push f4 to select the memory keyer menu 25
Push menu to select m1 25
Push one of the multi function keys f1 to f5 to select an item in the memory keyer menu see the diagram below 25
Side tone level set 25
Snd edt 001 set 25
The transceiver has a number of convenient functions for the electronic keyer that can be accessed from the memory keyer menu 25
Using different operating modes 25
Ç electronic keyer functions 25
3 memory keyer edit menu 27
Cfm tu 27
Cq test cq test 27
De ja3yua test 27
Edt m1 del spc 27
Edt m2 del spc 27
Edt m3 del spc 27
Edt m4 del spc 27
Qsl tu de ja3y 27
Ur 5nn bk 27
4 contact number menu 28
Clr 001 present number 001 28
M2 count up trig 001 28
Normal number style 001 28
Push f1 or f2 to select the set contents 28
Push menu 2 times to return to regular operation m1 28
Rotate the tuning dial to set the condition 28
Set mode item and default condition description 28
This item sets the count up trigger channel 28
This item sets the numbering system used for con tact serial numbers normal or morse cut numbers 28
This item shows the current number for the count up trigger channel set above 28
This menu is used to set the contact serial number and count up trigger etc 28
Using different operating modes 28
3 operating rtty fsk 30
Å receiving 30
I transmitting 31
Normal rtty keying rty 31
Rtty mark rty 31
Rtty shift rty 31
Ç settings for rtty 31
4 operating am 32
Å receiving 32
I transmitting 33
5 operating fm 34
Hz tone sql 34
Hz tone sql scan tsq 34
Tsq scn 34
I transmitting 35
6 repeater operation 36
Hz rptr tone ton 36
M1 100 k agc dup ton tsq scp 36
M1 29 5000 agc dup ton tsq scp 36
M1 agc dup ton tsq scp 36
7 packet operation 38
Frequency indication during afsk 38
I transmitting 38
Å receiving 38
1 simple band scope 39
Functions for receive 39
Scp step 39
Scp step 0 k 39
Scp step 5k 39
2 preamp and attenuator 40
3 rit function 40
I rit monitor function 40
4 agc function 41
5 1 4 function 41
6 nb function 41
Agc amp p 41
Ant usb 41
M1 agc dup 1 4 key scp 41
M1 agc dup cmp tcn scp 41
7 noise reduction 42
8 auto notch anf function 42
9 dial lock function 42
10 twin pbt 43
M1 agc dup cmp tcn scp 43
Pbt operating example 43
11 selecting if ﬁlters 44
K 2 k 9m 455k 44
1 vox function 45
Anti vox vox 45
Functions for transmit 45
S vox delay vox 45
Vox gain vox 45
2 break in function 46
D break in delay brk 46
M1 agc dup 1 4 key scp 46
4 monitor function 47
Monitor level mon 47
Tx function 47
5 speech compressor 48
6 split frequency operation 49
Agc amp p 49
M1 agc dup cmp tcn scp 49
7 quick split function 50
Agc amp p 50
I split lock function 50
I split offset frequency setting 50
M1 agc dup cmp tcn scp 50
Set split lock on 50
Set split offset 0 13mhz 50
2 memory channel selection 51
General 51
Memory channels 51
3 transferring a memory to vfo 52
Clearing a memory 52
I in memory mode 52
5 selecting the call channel 53
M1 agc dup cmp tcn scp 53
Programming a memory 53
8 programming scan edges 54
Programming the call channel 54
Assigning memory names 55
Del spc 55
Dx spot 55
Edt abc 55
Edt abc del spc 55
M2 scn mem lcd set 55
Mem 21 2500 cw edt sel 55
M1 agc dup cmp tcn scp 56
Memo pads 56
Scan operation 57
Scan types 57
M2 scn mem lcd set 58
Programmed scan and ﬁne programmed scan 58
Scn f prog scan pro f fin spn set 58
Scn prog scan pro f fin spn set 58
Memory scan 59
Scn memo scan mem f sel spn set 59
Scn sel memo scan mem f sel spn set 59
Select memory scan 59
F scan 60
F scan and fine 60
M2 scn mem lcd set 60
Pro f fin spn set 60
Scn 10k f f scan 60
Scn f scan pro f fin spn set 60
Before operating 61
Internal antenna tuner 61
Tuner operation 61
Selecting set mode 62
Set mode 62
Set mode items 62
On meter peak hold 63
On quick split 63
Set band edge beep on 63
Set beep on 63
Set filter 455khz none 63
Set filter 9mhz 2 none 63
Set rf sql vr type rf sql 63
Set split offset 0 00mhz 63
Set auto repeater off 64
Set auto tune off 64
Set dup offset 144m 0 00mhz 64
Set dup offset 50m 0 00mhz 64
Set dup offset hf 0 00mhz 64
Set one touch rptr dup 64
Set split lock off 64
Set ant select auto 65
Set memory pad ch 5 65
Set ptt tune off 65
Set speech language english 65
Set speech s level on 65
Set speech speed high 65
Set ci v 731 mode off 66
Set ci v address 56h 66
Set ci v baud rate auto 66
Set ci v transceive on 66
Set mic u d speed high 66
Adjustments 67
Frequency calibration 67
Tuning dial brake 67
Adjusting the lcd 68
Lcd backlight 50 68
Lcd contrast 50 68
M1 agc dup cmp tcn scp 68
M2 scn mem lcd set 68
Measuring swr 68
Front panel 69
Setup and connections 69
Rear panel 70
Caution 71
Power supply connections 71
Selecting a location 71
Antenna 72
Grounding 72
V caution 72
➀ ➂ 72
➃ ➁ 72
I antenna select function see p 63 73
Data communications 74
Setup and connections 74
The ic 746 can be connected to amtor packet or afsk teletype units via the rear panel acc sockets or the front panel mic connector when using such units be sure to consult the appropriate manuals 74
When connecting to acc 1 74
When connecting to mic 74
Rtty connections 75
Setup and connections 75
When operating rtty a teletype and demodulator etc must be connected as in the diagrams below the demodulator operates via audio input with a receive tone of 2125 hz or 1275 or 1615 and a shift offset of 170 hz or 200 or 425 hz see p 29 for details on how to change the receive tone or shift offset 75
I ci v connection example 76
I data format 76
Remote jack 76
Cn sc description 77
I command table 77
Setup and connections 77
1 opening the transceiver s case 78
Optional installations 78
V caution 78
Cr 282 79
Ut 102 79
K 2 k 9m 455k 80
Optional if ﬁlters 80
Linear ampliﬁer connections 81
V warning 81
External antenna tuner connections 82
Fuse replacement 83
Maintenance 83
Resetting the cpu 83
Maintenance 84
Possible cause solution ref 84
Power supply receive 84
Problem 84
Troubleshooting 84
Maintenance 85
Possible cause solution ref 85
Problem 85
Transmit display scan 85
Specifications and options 86
Speciﬁcations 86
Supplied accessories 86
Options 87
Specifications and options 87
9 16 kamihigashi hirano ku osaka 547 0002 japan 88
Count on us 88

Icom IC-746 Инструкция по эксплуатации онлайн

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