12350

Icom IC-746 Manual

3
Zoom out
Zoom in
Previous page
1/90
Next page
iii
TABLE OF CONTENTS
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
3 …


Need help? Post your question in this forum.

Forumrules


Report abuse

Libble takes abuse of its services very seriously. We're committed to dealing with such abuse according to the laws in your country of residence. When you submit a report, we'll investigate it and take the appropriate action. We'll get back to you only if we require additional details or have more information to share.

Product:

For example, Anti-Semitic content, racist content, or material that could result in a violent physical act.

For example, a credit card number, a personal identification number, or an unlisted home address. Note that email addresses and full names are not considered private information.

Forumrules

To achieve meaningful questions, we apply the following rules:

Register

Register getting emails for Icom IC-746 at:


You will receive an email to register for one or both of the options.


Get your user manual by e-mail

Enter your email address to receive the manual of Icom IC-746 in the language / languages: English as an attachment in your email.

The manual is 2,08 mb in size.

 

You will receive the manual in your email within minutes. If you have not received an email, then probably have entered the wrong email address or your mailbox is too full. In addition, it may be that your ISP may have a maximum size for emails to receive.

The manual is sent by email. Check your email

If you have not received an email with the manual within fifteen minutes, it may be that you have a entered a wrong email address or that your ISP has set a maximum size to receive email that is smaller than the size of the manual.

The email address you have provided is not correct.

Please check the email address and correct it.

Your question is posted on this page

Would you like to receive an email when new answers and questions are posted? Please enter your email address.



Info