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Icom M700pro. The S/FR Meter, 8 bar graph is always on.Does not move in receiving and transmitting. I reset the CPU , no difference. Anybody know why? thanks Harald

Posted by Harald Wilsch on


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Clint Millett

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  • 97 Answers

Try adjusting your RF gain control. This will often cause this to happen if it is fully on.

Posted on Nov 10, 2019


5 Related Answers


  • 1 Answer

SOURCE: problem transmitting

hi there!
i bought the same pair of motorola, and i hav the exact same problem
i found out that they work good only when they are on the same channel but the sub channel must be set on 0.
for example channel 22 sub channel 0 .

Posted on Apr 28, 2008



SOURCE: Meter Shows Signal, no noise

when you have no RX or TX at the same time, that most often means the pre-driver audio transistor is bad.


Posted on May 08, 2008



  • 66 Answers

SOURCE: Icom F21

It's a frequency error. It can be corrected, just give me some time, I need to figure something out first. It might take me a day or two.

Posted on Sep 07, 2008


  • 22 Answers

SOURCE: swr meter not moving.

If the radio is working don't worry about the meter unless you absolutely want it. These little meters are not very accurate or reliable. Get an external SWR meter to check the antenna.

Posted on Apr 23, 2009


  • 9 Answers

SOURCE: Icom IC-2100H Sqealing

The squeal in this model is a famous problem. If you look at the circuit board, you'll see there are a few places where it looks as if someone kinda forgot to put in a ground screw -- even to the point that there are threaded holes in the casting just begging to be filled by the little screws used elsewhere nearby. Take 3 or 4 similar screws, put them in the remaining holes, and make sure all (including the existing ones) are snug. It seems there just weren't enough ground points for all the RF swirling around on the solder side of the board, so there's a bit of RF feedback on this radio. And as long as you've got about 16 amps of clean DC, you're fine; the power leads are correctly fused at 20 amps. BTW, the power amp module in this model is really only spec'd at 144-148; if you're running an odd "MARS or CAP" split, the PA brick can get way unhappy. HTH, -- Barney --

Posted on Jan 03, 2010

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I have an Icom-M700 pro, serial number2404380 installed on my yacht. I entered in set mode and probably did something wrong because since that moment the radio only transmit in AM and FSK mode. I am now in...

Under some circumstances the transceiver’s internal
CPU may cause erroneous indications on the display.
If this happens, reset the CPU as follows:
While pushing [ENT] + [0], push [POWER] to turn
power on.
• The CPU is reset and the display at right appears.
CAUTION: Resetting the CPU returns set mode
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that's the quickest way to do it, hopefully you don't have alot of stored frequecies in memory.

you can get a pdf copy of the manual here


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