Time adjustment software Download

Download the old version

Download Type Time adjustment software
Model name ST-4003W
Version Version 1.00
Update 2021/11/30
Major changes

Newly released


The ST-4003W is Windows software, which allows you to set the radio's time from your PC's time by connecting the radio to the PC.

  • Compatible radios (as of November 2021)
  • IC-705
  • IC-7100
  • IC-7300
  • IC-7600
  • IC-7610
  • IC-7850/IC-7851
  • IC-9700

Use a USB cable to connect the radio to your PC.
The USB port type differs depending on the radio, so please check the radio's port type before preparing the cable.

  • Before downloading this software, please thoroughly read the “ST-4003W INSTRUCTIONS” for installation details and what is required for the installation.
File Size 3.70MB
File Type zip
Manual manual download page

ST-4003W Instructions

Regarding this Download Service.

When using this download service, the implementation, use and/or results of use are the sole responsibility of you using this download service and the equipment. You shall comply with applicable laws and regulatory requirements in the use of this download service and in the operation of the equipment.

Firmware is important data for the basic system control of your equipment. An interruption during downloading or a malfunction may cause a failure in the data re-writing, and your equipment may stop functioning normally. If such a failure of the firmware re-writing results in your equipment not functioning normally, Icom Inc. and its affiliates expressly denies and is free from any and all responsibility arising from the result of damage from such an event.

You agree not to hold Icom Inc. and its affiliates responsible for any damage to your equipment operation or loss of data, or unauthorized use of the equipment, whether intentional or not, as a result of use this download service.