FAQ / Operational / Misc. – Icom America

ICPW1: Pass-Through Serial Numbers What is the serial number cut-off for the older versions of the IC-PW1 that do not allow pass through operation?
HF Radio and PW1 Control Connections
Amateur: Poor Receiver sensitivity of my Icom FM mobile transceiver (such as IC2710H, IC207H, IC2100H, IC2350H).
Amateur Preamp: The receive preamp built into my IC820H, IC970A/H, IC821H, or IC910H all mode VHF/UHF satellite radio doesn't make any difference when I turn it on.
Amateur: HF base radio is about 800 Hz - 900 Hz off frequency.
Amateur HF: Won't transmit in CW mode.
Amateur General: The s-meter on my Icom all mode radio is stuck at an arbitrary level, and the receiver sensitivity is down.
Amateur Mobile: Internal vs External Antenna Tuner
Amateur Radios: USB or LSB voice signals are high pitched. AM and FM modes are OK.
Amateur: Display Distortion when I transmit, and/or bad TX audio, and/or carrier power in SSB modes without modulation
Amateur Handheld: Reception poor with external high gain antenna
Amateur Handheld: Battery voltage is ok, but radio shuts down.
Amateur Handheld: Battery Voltage Meter Incorrect
Amateur Handheld - PTT Beep: My Icom IC-2SRA, IC-4SRA or IC-W2A handheld radios won't transmit. I get beeps from the speaker when I key the PTT, and there is a "PL" symbol on the LCD display.
Receivers General: The s-meter on my Icom all mode receiver is stuck at some arbitrary level, and my receiver sensitivity is down in SSB and CW modes. I can't hear anything!
Receivers General: I have one of the Icom wide-band all mode base receivers. Only one frequency range seems to be receiving. All other bands are dead.
PCR100: Speaker audio seems very low.
IC746PRO: Features Tour
IC756Pro2 Technical Report
Avionics VOR: handheld navcom is not picking up VOR signals, unless I'm right on top of the VOR
M88: Accessing Land Mobile Channels
Marine VHF Interference Issue
Marine VHF: Can't talk to a close vessel.
Marine VHF Hailer Feedback Issue
Marine SSB Power Requirements: Can I use SSB radio on a vessel with a 24 Volt electrical system?
Marine Dimming Display Lights: The display lights dim when I transmit. The radio even shuts down by itself sometimes. I'm not getting full TX output power either.
FRS radios: In my area, there are many FRS radio users. Can I limit my reception so that I only hear calls that come in from my friends?
FRS: Is it legal to scramble my transmissions with an FRS radio?
A3 / A22: What is the difference between the IC-A3 / A22 and the IC-A3 / A22 Sport?
Avionics Handheld Reduced Range: The range of my Icom handheld radio seems reduced when I'm using it inside the cockpit. Why?