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IC-746 FAQ
LCD Driver Transistor Replacement .................................................................... 84
Poor Man's TCXO ................................................................................................ 85
Upgrading Stock Ceramic IF Filter to a Crystal Filter ......................................... 85
Can I increase my RF power output beyond 100w?........................................ 85
I'm brave; what untested "mods" are there?................................................... 86
Replacing PIN Diodes in the Demodulator .......................................................... 86
Removing the BCB Attenuator............................................................................. 87
What "external" mods are there for the IC-746?............................................ 87
Remote, Direct Frequency Entry Keypad............................................................. 87
Cordless Headset Microphone .............................................................................. 87
Automatic Antenna/Amplifier Selection by Band................................................ 87
2m TX/RX Sequencer........................................................................................... 88
External Tuner Pulser ........................................................................................... 88
Unmuffling Icom Hand Mics................................................................................ 89
Are there different versions of the IC-746?...................................................... 90
Can I operate 2m on reduced power?............................................................... 90
Where can I find plugs for the ACC connectors?............................................ 90
What are the pin-outs on the ACC-1 connector?............................................. 91
What are the pin-outs on the ACC-2 connector?............................................. 92
Does audio to pin 4 of ACC-1 trigger the VOX?.............................................. 92
Where can I get replacement power connectors? ............................................ 92
Where can I get replacement microphone connectors? .................................. 93
How does one improve the fidelity of a received signal?................................. 94
How does one improve transmission fidelity?.................................................. 95
Can the IC-746 transmit at less than 5 watts? ................................................. 95
How do I turn on both HF pre-amps at the same time?.................................. 95
How do I adjust the 746 for best AM performance? ....................................... 96
Is the IC-746 suitable for CAP and MARS operation?................................... 96
How do I adjust the Noise Reduction (NR)? .................................................... 96
How do I program a non-standard repeater offset?........................................ 97
External speaker and remote interface jacks are swapped. ........................... 99
BAND EDGE BEEPS simply do not work as expected................................... 99
TRANSMIT button does not transmit on CW................................................. 99
Only one bar for CW sidetone level, not two.................................................. 100
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2003-02-08