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IC-746 FAQ
PROBLEMS AND CLARIFICATIONS..................................................... 66
What's that funny rattling noise I hear when I first power on?..................... 66
What's that "click" I hear as I tune across certain frequencies?................... 66
Why doesn't the ALC meter work while adjusting the "mic gain"?............. 66
Why can't I set numbers into memory names, CW keyer, etc...? .................. 66
Why isn't my output power up at 100 watts?................................................... 67
Low DC supply voltage. ....................................................................................... 67
You have an IC-746s instead of an IC-746........................................................... 67
Blown Internal Fuse.............................................................................................. 67
The RF driver transistors may have failed............................................................ 68
The RF power amplifier transistors may have failed............................................ 68
Blown Output Detector Diodes............................................................................. 68
Your ALC circuit may have failed........................................................................ 68
SWR Foldback...................................................................................................... 68
Confused Meter Readings..................................................................................... 68
CW Break-In Turned off....................................................................................... 69
Internal adjustments set a little low ...................................................................... 69
How low can the IC-746 supply voltage be?..................................................... 69
The backlight in my LCD has stopped working. What's wrong? ................. 70
Is there some way to get the Icom-746 to generate DTMF tones?.................. 73
Why don't my "band edge beeps" match the US amateur bands?................ 74
Can I transmit all the way out to the "band edge beeps"? ............................. 74
Can I reprogram the "band edge beeps"? ....................................................... 74
Do we know anything about the "band edge beeps"?..................................... 74
How I reset back to factory default settings? ................................................... 75
The Noise Blanker doesn't seem to do any good. What's wrong? ................. 76
How do I adjust or make the NB work better? ................................................ 77
How do I fix a loose rubber grip from the tuning knob? ................................ 78
Why does the S-meter seem low on 2m FM?.................................................... 81
Why is my tuning shaft/knob loose and sloppy?.............................................. 81
What TX/RX "mods" are there for the IC-746? ............................................. 82
What other "mods" are there for the IC-746?................................................. 82
6Khz wide IF filters .............................................................................................. 82
Safe 2m TX/RX Sequencing................................................................................. 83
Simple CAT interface ........................................................................................... 83
Separate 2m TX/RX Antenna Lines ..................................................................... 83
Increased MONITOR Volume.............................................................................. 84
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2003-02-08