What to do if my Icom Transceiver function display shows erroneous information?
- CChristine WardJul 31, 2025
If the function display shows incorrect information, the CPU may be malfunctioning. Try resetting the CPU to resolve this issue.
What to do if my Icom Transceiver function display shows erroneous information?
If the function display shows incorrect information, the CPU may be malfunctioning. Try resetting the CPU to resolve this issue.
Why does my Icom Transceiver keep transmitting after releasing PTT?
The most likely cause is that the PTT hold function is activated. To resolve this, turn OFF the function.
Brand | Icom |
---|---|
Model | IC-440N |
Category | Transceiver |
Language | English |
Explanation of warning symbols and terms used in the manual.
Important guidelines for operating the transceiver and country-specific rules.
List of items included in the transceiver package.
Guidance on physically mounting and connecting the transceiver.
Visual examples and steps for installing the transceiver in a vehicle.
Instructions for connecting the microphone and attaching its hanger.
Details on connecting the transceiver to battery or DC power sources.
Information on selecting and mounting an appropriate antenna.
Identification of controls, indicators, and connectors on the unit.
Explanation of the features and buttons on the HM-182 microphone.
Description of primary keys like PTT, Volume, and Channel/Squelch.
Explanation of various symbols and information displayed on the LCD.
How to assign custom functions to programmable keys.
Steps to power on the transceiver and enter a password if set.
How to adjust audio volume and select operating channels.
Procedures for communicating using the transceiver.
How to set, recall, and cancel a priority channel.
Using the monitor feature and locking keys to prevent accidental changes.
Setting the noise threshold to open the squelch.
Adjusting the LCD backlight for night-time or low-light use.
Accessing and configuring various transceiver settings.
How to navigate and change settings within the Set Mode.
Summary of configurable settings like Squelch, CTCSS/DTCS, and backlight.
Adjusting the brightness and contrast of the LCD display.
Configuring audible alerts and their volume.
Adjusting microphone sensitivity and signal message display.
Managing transmission restrictions based on signal or tone.
Configuring how the transceiver behaves during scans.
Using the PTT switch for one-touch transmit without continuous pressing.
Setting a unique identification code for the transceiver.
How repeaters extend communication range and basic operation.
Steps required to connect to and use a repeater.
Description of the different scanning modes available.
How to prepare channels for scanning and use the tag function.
Procedure for performing an open scan to find signals.
Using scans for specific channel groups or priority channels.
Automatically searching for and accessing active repeaters.
Using CTCSS/DTCS tones for silent standby and group communication.
How to configure CTCSS tone frequencies or DTCS codes.
Using the transceiver as a pager to alert of incoming calls.
Steps for initiating SelCall to a specific unit or group.
How to select a transmission code channel for SelCall.
Modifying SelCall transmission codes and group codes.
How the transceiver handles incoming SelCall transmissions.
Enabling silent standby until a SelCall is received.
Security feature that disables the transceiver until a password is entered.
Features for confirming call reception and automatic transponding.
Setting receive frequencies for specific channels.
Using the PTT switch for one-touch transmit without continuous pressing.
Transferring transceiver data to/from a PC using cloning software.
Restoring the transceiver to its factory default settings.
Technical data and performance characteristics of the transceiver.
Technical details of the transceiver's transmitting capabilities.
Technical details of the transceiver's receiving capabilities.
List and description of optional accessories for the transceiver.
Details on optional microphone and speaker accessories.
Solutions for common problems encountered with the transceiver.
Instructions on how to safely replace a blown fuse.
Terms and conditions of the product warranty provided by Icom.
Procedures for obtaining warranty repair or service.
Information on how to register your Icom product for warranty.