Firmware Download

Download the old version

Download Type Firmware
Model name IC-905
Version Version 1.11
Update 2023/08/18
Major changes

Changes from Version 1.03

  • - Added the DV Repeater Monitor function. (You can connect to a DPlus-compatible repeater.)
  • When monitoring the Destination repeater selected in “TO,” it is necessary to read the Connection IP Address List file.
  • You can download the Connection IP Address List sample file from here.
  • - Displays the Receiving (or Transmitting) route icon (RF or TM: Terminal mode or MONI: DV Repeater Monitor) on the RX History Log and QSO Log.
  • - Displays the Receiving (or Transmitting) route icon (RF or TM: Terminal mode or MONI: DV Repeater Monitor) to the chunk information in the QSO audio file.
  • - Displays the Receiving route icon (TM: Terminal mode or MONI: DV Repeater Monitor) to the following screens;
  • RX HISTORY screen
  • GPS POSITION (RX) screen
  • QSO audio, PLAY FILES screen
  • QSO audio, FILE INFORMATION screen
  • -Improves the CI-V command 1F 01 (DV transmit call sign) so you can set only the “UR” call sign without the other call signs.
  • -Improved the Terminal/AP Call sign setting of the DV GATEWAY screen can be registered call signs where the seventh character is not blank.

Note

The CS-905 programming software used with this firmware can be downloaded here.

  • To update the firmware
  • 1. Download and unzip the firmware data (for example, 905E111.dat) and copy it into the “IC-905” folder that is on your SD card.
  • 2. Insert the SD card with the firmware data into the transceiver. 
  • 3. Update the firmware.
  • 3-1. Display the SD CARD screen in the Menu. 
  • 3-2. Touch “Firmware Update” on the SD CARD screen to open the FIRMWARE UPDATE screen.
  • 3-3. Touch [▼] to scroll to the end of the screen to read all the precautions, after you read and agree with all the precautions, touch [YES]. 
  • 3-4. The confirmation dialog recommends making a backup of the settings and memories, touch [YES]. 
  • We recommend that you make a backup of them in this step, because all the settings and memories may be reset after updating the firmware.
  • 3-5. After the backup file is made, and the firmware selection screen is displayed, touch the firmware update data (for example, 905E111). 
  • 3-6. Please carefully read all the precautions, and when you want to execute it, touch [Yes] for 1 second to start the firmware update.
  • 3-7. When the update is completed, "Firmware updating has completed.” is displayed, and the transceiver will automatically restart.
  • If the setting data needs to be converted, it may take some time to restart. 
  • 4. If the settings and memories have been reset, load the settings and memories that have been backed up onto the SD card.
  • 4-1. Display the SD CARD screen in the Menu.
  • 4-2. Touch “Load Setting” on the SD CARD screen to open the LOAD SETTING screen. 
  • 4-3. Touch the file name of the saved file. 
  • 4-4. Touch “ALL,” and then the dialog “Keep ‘SKIP’ settings in the Repeater List?” is displayed, touch [YES].
  • 4-5. The dialog "Load file? The new “REF Adjust” setting will be saved.” is displayed, touch [Yes].
  • 4-6. After the loading ends, “COMPLETED! Restart the IC-905.” is displayed, restart the transceiver. 

  • After updating the firmware, the Version Information in the OTHERS Set will be as follows.
  • Main CPU: 1.11
  • Main DSP Program: 1.02
  • Main DSP Data: 1.00
  • Main FPGA: 1.01
  • RF CPU: 1.11
  • RF Sub CPU: 1.02
  • RF DSP: 1.02
  • RF FPGA: 1.03
  • RF DV DSP: 1.10
File Size
Manual manual download page
Document

Firmware Update Information